Matović, Branko

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  • Matović, Branko (10)
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Author's Bibliography

Damage to a tube of output reheater due to gas corrosion

Pavkov, Vladimir; Bakić, Gordana; Maksimović, Vesna; Đukić, Miloš; Rajičić, Bratislav; Maslarević, Aleksandar; Matović, Branko

(Belgrade : Vinča Institute of Nuclear Sciences - National Institute of thе Republic of Serbia, University of Belgrade, 2022)

TY  - CONF
AU  - Pavkov, Vladimir
AU  - Bakić, Gordana
AU  - Maksimović, Vesna
AU  - Đukić, Miloš
AU  - Rajičić, Bratislav
AU  - Maslarević, Aleksandar
AU  - Matović, Branko
PY  - 2022
UR  - https://machinery.mas.bg.ac.rs/handle/123456789/7430
AB  - One of the most responsible elements of modern steam boilers are steam superheaters and reheaters.
These heating surfaces are inside the boiler chamber and consist of tubes connected to the inlet and
outlet header. Due to the complexity of service conditions, boiler tubes are exposed to processes of
gradual degradation, and consequently a decrease in operating performance and reliability.
In the operation of thermal power plants, irreversible metal losses resulting from corrosion can
cause tube failure and plant outage. Considering the loss of materials, gas corrosion in the dry gas
atmosphere due to the high temperature is of great importance. Gas corrosion can be expressed in
the boiler tubing system due to the presence of sulfur compounds in the flue gases. For this reason,
it must be borne in mind that the outer surface of a tube of final reheater has different damage
mechanisms during operation, and one of them is gas corrosion. Gas corrosion causes material loss
and provides a site for crack initiation and propagation, which can compromise the integrity of the
pressure vessel.
In this paper, a tube of a final reheater from a 210 MW power plant was tested. The tube was in
service 200,000 h at a working temperature of 540 °C and a maximum working pressure of 4.6
MPa. The tube is made of low alloy Cr-Mo-V steel, class 12H1MF (GOST). After long-term
service, a rough surface and loss of the material in the form of a crater were observed on the outer
surface of the tube as a result of the effect of gas corrosion, together with the change of
microstructure due to elevated service temperature. The measured depth of damage to the tube is
120 m. The presence of gas corrosion on the tube was confirmed and measured by an optical
microscope, Figure 1.
PB  - Belgrade : Vinča Institute of Nuclear Sciences - National Institute of thе Republic of Serbia, University of Belgrade
PB  - Belgrade : Serbian Society for Innovative Materials in Extreme Conditions (SIM-EXTREME)
C3  - Program and Book of abstracts of the 1st Intentational conference on innovativ materials in extreme conditions IMEC2022
T1  - Damage to a tube of output reheater due to gas corrosion
UR  - https://hdl.handle.net/21.15107/rcub_machinery_7430
ER  - 
@conference{
author = "Pavkov, Vladimir and Bakić, Gordana and Maksimović, Vesna and Đukić, Miloš and Rajičić, Bratislav and Maslarević, Aleksandar and Matović, Branko",
year = "2022",
abstract = "One of the most responsible elements of modern steam boilers are steam superheaters and reheaters.
These heating surfaces are inside the boiler chamber and consist of tubes connected to the inlet and
outlet header. Due to the complexity of service conditions, boiler tubes are exposed to processes of
gradual degradation, and consequently a decrease in operating performance and reliability.
In the operation of thermal power plants, irreversible metal losses resulting from corrosion can
cause tube failure and plant outage. Considering the loss of materials, gas corrosion in the dry gas
atmosphere due to the high temperature is of great importance. Gas corrosion can be expressed in
the boiler tubing system due to the presence of sulfur compounds in the flue gases. For this reason,
it must be borne in mind that the outer surface of a tube of final reheater has different damage
mechanisms during operation, and one of them is gas corrosion. Gas corrosion causes material loss
and provides a site for crack initiation and propagation, which can compromise the integrity of the
pressure vessel.
In this paper, a tube of a final reheater from a 210 MW power plant was tested. The tube was in
service 200,000 h at a working temperature of 540 °C and a maximum working pressure of 4.6
MPa. The tube is made of low alloy Cr-Mo-V steel, class 12H1MF (GOST). After long-term
service, a rough surface and loss of the material in the form of a crater were observed on the outer
surface of the tube as a result of the effect of gas corrosion, together with the change of
microstructure due to elevated service temperature. The measured depth of damage to the tube is
120 m. The presence of gas corrosion on the tube was confirmed and measured by an optical
microscope, Figure 1.",
publisher = "Belgrade : Vinča Institute of Nuclear Sciences - National Institute of thе Republic of Serbia, University of Belgrade, Belgrade : Serbian Society for Innovative Materials in Extreme Conditions (SIM-EXTREME)",
journal = "Program and Book of abstracts of the 1st Intentational conference on innovativ materials in extreme conditions IMEC2022",
title = "Damage to a tube of output reheater due to gas corrosion",
url = "https://hdl.handle.net/21.15107/rcub_machinery_7430"
}
Pavkov, V., Bakić, G., Maksimović, V., Đukić, M., Rajičić, B., Maslarević, A.,& Matović, B.. (2022). Damage to a tube of output reheater due to gas corrosion. in Program and Book of abstracts of the 1st Intentational conference on innovativ materials in extreme conditions IMEC2022
Belgrade : Vinča Institute of Nuclear Sciences - National Institute of thе Republic of Serbia, University of Belgrade..
https://hdl.handle.net/21.15107/rcub_machinery_7430
Pavkov V, Bakić G, Maksimović V, Đukić M, Rajičić B, Maslarević A, Matović B. Damage to a tube of output reheater due to gas corrosion. in Program and Book of abstracts of the 1st Intentational conference on innovativ materials in extreme conditions IMEC2022. 2022;.
https://hdl.handle.net/21.15107/rcub_machinery_7430 .
Pavkov, Vladimir, Bakić, Gordana, Maksimović, Vesna, Đukić, Miloš, Rajičić, Bratislav, Maslarević, Aleksandar, Matović, Branko, "Damage to a tube of output reheater due to gas corrosion" in Program and Book of abstracts of the 1st Intentational conference on innovativ materials in extreme conditions IMEC2022 (2022),
https://hdl.handle.net/21.15107/rcub_machinery_7430 .

High-density ceramics obtained by andesite basalt sintering

Pavkov, Vladimir; Bakić, Gordana; Maksimović, Vesna; Cvijović-Alagić, Ivana; Prekajski-Dordjević, Marija; Bucevac, Dušan; Matović, Branko

(Univerzitet u Novom Sadu - Tehnološki fakultet, Novi Sad, 2022)

TY  - JOUR
AU  - Pavkov, Vladimir
AU  - Bakić, Gordana
AU  - Maksimović, Vesna
AU  - Cvijović-Alagić, Ivana
AU  - Prekajski-Dordjević, Marija
AU  - Bucevac, Dušan
AU  - Matović, Branko
PY  - 2022
UR  - https://machinery.mas.bg.ac.rs/handle/123456789/3787
AB  - In the present study, andesite basalt originated from the deposit site ???Donje Jarinje???, Serbia, was examined as a potential raw material for high-density ceramics production. The production of high-density ceramics included dry milling, homogenization, cold isostatic pressing and sintering in the air. To determine the optimal processing parameters the sintering was conducted at 1040, 1050, 1060, 1070 and 1080 ??C, and afterwards the sintering duration was varied from 30 to 240 min at the optimal sintering temperature of 1060 ??C. Characterization of the starting and sintered materials included the estimation of particle size distribution, density, hardness and fracture toughness complemented with X-ray diffraction, optical light microscopy, scanning electron microscopy and energy dispersive spectroscopy analysis. Phase transformations did not occur during processing in the investigated temperature range from 1040 to 1080 ??C. The obtained research results showed that 99.5% of relative density and the highest hardness and fracture toughness values of 6.7 GPa and 2.2 MPa??m1/2, respectively, were achieved for the andesite basalt sintered at 1060 ??C for 60 min in the air. The results of the present study confirmed that the sintered andesite basalt can be used as a high-density ceramic material for various industrial applications.
PB  - Univerzitet u Novom Sadu - Tehnološki fakultet, Novi Sad
T2  - Processing and Application of Ceramics
T1  - High-density ceramics obtained by andesite basalt sintering
EP  - 152
IS  - 2
SP  - 143
VL  - 16
DO  - 10.2298/PAC2202143P
ER  - 
@article{
author = "Pavkov, Vladimir and Bakić, Gordana and Maksimović, Vesna and Cvijović-Alagić, Ivana and Prekajski-Dordjević, Marija and Bucevac, Dušan and Matović, Branko",
year = "2022",
abstract = "In the present study, andesite basalt originated from the deposit site ???Donje Jarinje???, Serbia, was examined as a potential raw material for high-density ceramics production. The production of high-density ceramics included dry milling, homogenization, cold isostatic pressing and sintering in the air. To determine the optimal processing parameters the sintering was conducted at 1040, 1050, 1060, 1070 and 1080 ??C, and afterwards the sintering duration was varied from 30 to 240 min at the optimal sintering temperature of 1060 ??C. Characterization of the starting and sintered materials included the estimation of particle size distribution, density, hardness and fracture toughness complemented with X-ray diffraction, optical light microscopy, scanning electron microscopy and energy dispersive spectroscopy analysis. Phase transformations did not occur during processing in the investigated temperature range from 1040 to 1080 ??C. The obtained research results showed that 99.5% of relative density and the highest hardness and fracture toughness values of 6.7 GPa and 2.2 MPa??m1/2, respectively, were achieved for the andesite basalt sintered at 1060 ??C for 60 min in the air. The results of the present study confirmed that the sintered andesite basalt can be used as a high-density ceramic material for various industrial applications.",
publisher = "Univerzitet u Novom Sadu - Tehnološki fakultet, Novi Sad",
journal = "Processing and Application of Ceramics",
title = "High-density ceramics obtained by andesite basalt sintering",
pages = "152-143",
number = "2",
volume = "16",
doi = "10.2298/PAC2202143P"
}
Pavkov, V., Bakić, G., Maksimović, V., Cvijović-Alagić, I., Prekajski-Dordjević, M., Bucevac, D.,& Matović, B.. (2022). High-density ceramics obtained by andesite basalt sintering. in Processing and Application of Ceramics
Univerzitet u Novom Sadu - Tehnološki fakultet, Novi Sad., 16(2), 143-152.
https://doi.org/10.2298/PAC2202143P
Pavkov V, Bakić G, Maksimović V, Cvijović-Alagić I, Prekajski-Dordjević M, Bucevac D, Matović B. High-density ceramics obtained by andesite basalt sintering. in Processing and Application of Ceramics. 2022;16(2):143-152.
doi:10.2298/PAC2202143P .
Pavkov, Vladimir, Bakić, Gordana, Maksimović, Vesna, Cvijović-Alagić, Ivana, Prekajski-Dordjević, Marija, Bucevac, Dušan, Matović, Branko, "High-density ceramics obtained by andesite basalt sintering" in Processing and Application of Ceramics, 16, no. 2 (2022):143-152,
https://doi.org/10.2298/PAC2202143P . .
2
2

Synthesis and characterization of metal-glass composite material

Pavkov, Vladimir; Bakić, Gordana; Maksimović, Vesna; Mirković, Miljana; Luković, Jelena; Maslarević, Aleksandar; Matović, Branko

(Faculty of Technology, University of Novi Sad, 2019)

TY  - CONF
AU  - Pavkov, Vladimir
AU  - Bakić, Gordana
AU  - Maksimović, Vesna
AU  - Mirković, Miljana
AU  - Luković, Jelena
AU  - Maslarević, Aleksandar
AU  - Matović, Branko
PY  - 2019
UR  - https://machinery.mas.bg.ac.rs/handle/123456789/7327
AB  - Parts of industrial machines and structures are often exposed to aggressive environments, which in a short period of time can cause the loss of their integrity. Depending on working conditions, a surface of the material can be exposed to various mechanisms of damage, of which corrosion damage stands out. Commercial stainless steel have a significant application in making machine parts in the industry because of their outstanding properties. However, the high prices of this material can sometimes be a limiting factor. For this reason, the idea is to replace expensive stainless steel with a composite material with lower price and improved mechanical properties.
Austenitic stainless steel is a material which is widely used in an industry primarily due to good corrosion resistance. Powder of commercial austenitic stainless steel (SURFIT TM 316L) of the diameter from 45 to 63 µm was used, in our experiment. The steel powder has a spherical shape which is obtained by gas atomization. The source of glass was andesite basalt rock from the locality "Donje Jarinje" Leposavic, the Republic of Serbia. Basalt is a hard aluminosilicate rock which has a relatively low melting point and low viscosity. The composite material was manufactured by mechanical mixing of stainless steel powders with freshly crushed basalt rock in diameter about 10 µm. The composite material consists of stainless steel and different content of basalt.
The green compact was obtained by a hydraulic pressing of the mixture, with a pressure of 150 MPa using a steel mold. Sintering is done at 1250 ⁰C an a time of 30 minutes in a high-temperature vacuum furnace.
Semi-quantitative analysis of andesite basalt powder is obtained by energy dispersive X-ray spectrometry (EDS). Starting powder as well as sintered composites were characterized by X-ray diffraction method (XRD), Morphology of powders and microstructure of sintered sample were followed by scanning electron microscope (SEM) and a light optical microscope (LOM). The hardness of the composite material is determined by the VIckers method.
PB  - Faculty of Technology, University of Novi Sad
C3  - Programme and book of abstracts / 13th Conference for Young Scientists in Ceramics (CYSC-2017), October 16-19, 2019, Novi Sad
T1  - Synthesis and characterization of metal-glass composite material
UR  - https://hdl.handle.net/21.15107/rcub_machinery_7327
ER  - 
@conference{
author = "Pavkov, Vladimir and Bakić, Gordana and Maksimović, Vesna and Mirković, Miljana and Luković, Jelena and Maslarević, Aleksandar and Matović, Branko",
year = "2019",
abstract = "Parts of industrial machines and structures are often exposed to aggressive environments, which in a short period of time can cause the loss of their integrity. Depending on working conditions, a surface of the material can be exposed to various mechanisms of damage, of which corrosion damage stands out. Commercial stainless steel have a significant application in making machine parts in the industry because of their outstanding properties. However, the high prices of this material can sometimes be a limiting factor. For this reason, the idea is to replace expensive stainless steel with a composite material with lower price and improved mechanical properties.
Austenitic stainless steel is a material which is widely used in an industry primarily due to good corrosion resistance. Powder of commercial austenitic stainless steel (SURFIT TM 316L) of the diameter from 45 to 63 µm was used, in our experiment. The steel powder has a spherical shape which is obtained by gas atomization. The source of glass was andesite basalt rock from the locality "Donje Jarinje" Leposavic, the Republic of Serbia. Basalt is a hard aluminosilicate rock which has a relatively low melting point and low viscosity. The composite material was manufactured by mechanical mixing of stainless steel powders with freshly crushed basalt rock in diameter about 10 µm. The composite material consists of stainless steel and different content of basalt.
The green compact was obtained by a hydraulic pressing of the mixture, with a pressure of 150 MPa using a steel mold. Sintering is done at 1250 ⁰C an a time of 30 minutes in a high-temperature vacuum furnace.
Semi-quantitative analysis of andesite basalt powder is obtained by energy dispersive X-ray spectrometry (EDS). Starting powder as well as sintered composites were characterized by X-ray diffraction method (XRD), Morphology of powders and microstructure of sintered sample were followed by scanning electron microscope (SEM) and a light optical microscope (LOM). The hardness of the composite material is determined by the VIckers method.",
publisher = "Faculty of Technology, University of Novi Sad",
journal = "Programme and book of abstracts / 13th Conference for Young Scientists in Ceramics (CYSC-2017), October 16-19, 2019, Novi Sad",
title = "Synthesis and characterization of metal-glass composite material",
url = "https://hdl.handle.net/21.15107/rcub_machinery_7327"
}
Pavkov, V., Bakić, G., Maksimović, V., Mirković, M., Luković, J., Maslarević, A.,& Matović, B.. (2019). Synthesis and characterization of metal-glass composite material. in Programme and book of abstracts / 13th Conference for Young Scientists in Ceramics (CYSC-2017), October 16-19, 2019, Novi Sad
Faculty of Technology, University of Novi Sad..
https://hdl.handle.net/21.15107/rcub_machinery_7327
Pavkov V, Bakić G, Maksimović V, Mirković M, Luković J, Maslarević A, Matović B. Synthesis and characterization of metal-glass composite material. in Programme and book of abstracts / 13th Conference for Young Scientists in Ceramics (CYSC-2017), October 16-19, 2019, Novi Sad. 2019;.
https://hdl.handle.net/21.15107/rcub_machinery_7327 .
Pavkov, Vladimir, Bakić, Gordana, Maksimović, Vesna, Mirković, Miljana, Luković, Jelena, Maslarević, Aleksandar, Matović, Branko, "Synthesis and characterization of metal-glass composite material" in Programme and book of abstracts / 13th Conference for Young Scientists in Ceramics (CYSC-2017), October 16-19, 2019, Novi Sad (2019),
https://hdl.handle.net/21.15107/rcub_machinery_7327 .

Characterization of metal-glass composites material

Pavkov, Vladimir; Bakić, Gordana; Maksimović, Vesna; Matović, Branko; Maslarević, Aleksandar

(Association of Metallurgical Engineers of Serbia, Belgrade, Serbia, 2019)

TY  - CONF
AU  - Pavkov, Vladimir
AU  - Bakić, Gordana
AU  - Maksimović, Vesna
AU  - Matović, Branko
AU  - Maslarević, Aleksandar
PY  - 2019
UR  - https://machinery.mas.bg.ac.rs/handle/123456789/7347
PB  - Association of Metallurgical Engineers of Serbia, Belgrade, Serbia
C3  - 4th Metallurgical & Materials Engineering Congress of South-East Europe
T1  - Characterization of metal-glass composites material
SP  - 39
UR  - https://hdl.handle.net/21.15107/rcub_machinery_7347
ER  - 
@conference{
author = "Pavkov, Vladimir and Bakić, Gordana and Maksimović, Vesna and Matović, Branko and Maslarević, Aleksandar",
year = "2019",
publisher = "Association of Metallurgical Engineers of Serbia, Belgrade, Serbia",
journal = "4th Metallurgical & Materials Engineering Congress of South-East Europe",
title = "Characterization of metal-glass composites material",
pages = "39",
url = "https://hdl.handle.net/21.15107/rcub_machinery_7347"
}
Pavkov, V., Bakić, G., Maksimović, V., Matović, B.,& Maslarević, A.. (2019). Characterization of metal-glass composites material. in 4th Metallurgical & Materials Engineering Congress of South-East Europe
Association of Metallurgical Engineers of Serbia, Belgrade, Serbia., 39.
https://hdl.handle.net/21.15107/rcub_machinery_7347
Pavkov V, Bakić G, Maksimović V, Matović B, Maslarević A. Characterization of metal-glass composites material. in 4th Metallurgical & Materials Engineering Congress of South-East Europe. 2019;:39.
https://hdl.handle.net/21.15107/rcub_machinery_7347 .
Pavkov, Vladimir, Bakić, Gordana, Maksimović, Vesna, Matović, Branko, Maslarević, Aleksandar, "Characterization of metal-glass composites material" in 4th Metallurgical & Materials Engineering Congress of South-East Europe (2019):39,
https://hdl.handle.net/21.15107/rcub_machinery_7347 .

Metal-Glass Composite Material

Pavkov, Vladimir; Bakić, Gordana; Maksimović, Vesna; Maslarević, Aleksandar; Matović, Branko

(Institute for Multidisciplinary Research, University of Belgrade, 2019)

TY  - CONF
AU  - Pavkov, Vladimir
AU  - Bakić, Gordana
AU  - Maksimović, Vesna
AU  - Maslarević, Aleksandar
AU  - Matović, Branko
PY  - 2019
UR  - https://machinery.mas.bg.ac.rs/handle/123456789/7326
AB  - The aim of the paper is to create a metal-glass composite material as well as to examine the possibility of using this composite material for industrial application. Powder of commercial austenitic stainless steel (SURFIT TM 316L) of the diameter from 45 to 65 µm was used in this the experiment. The steel powder of the spherical shape is obtained by atomization od gas. The source of glass was basalt rock from the locality "Vrelo" Kopaonik, Republic of Serbia, due to relative low melting point and low viscosity. Composite materials were manufactured by mechanical mixing steel powders with fresh crushed basal rock in diameter below 45 µm. Mixture of basalt content of 10, 30 and 50 wt.% were prepared.
Green compacts were obtained by pressing under pressure of 150 MPa using a steel mold. Thermal treatment is done at 1250 ⁰C for 30, 45 and 60 minutes in a vacuum furnace. Starting powder as well as sintered composites were characterized by X-ray diffraction method (XRD). Morphology of powders and microstructural development were followed by scanning electron microscope (SEM). Mechanical properties were investigated by Vickers hardness.
PB  - Institute for Multidisciplinary Research, University of Belgrade
C3  - Programme ; and the Book of Abstracts / 5th Conference of The Serbian Society for Ceramic Materials, 5CSCS-2019, June 11-13, 2019, Belgrade, Serbia
T1  - Metal-Glass Composite Material
UR  - https://hdl.handle.net/21.15107/rcub_machinery_7326
ER  - 
@conference{
author = "Pavkov, Vladimir and Bakić, Gordana and Maksimović, Vesna and Maslarević, Aleksandar and Matović, Branko",
year = "2019",
abstract = "The aim of the paper is to create a metal-glass composite material as well as to examine the possibility of using this composite material for industrial application. Powder of commercial austenitic stainless steel (SURFIT TM 316L) of the diameter from 45 to 65 µm was used in this the experiment. The steel powder of the spherical shape is obtained by atomization od gas. The source of glass was basalt rock from the locality "Vrelo" Kopaonik, Republic of Serbia, due to relative low melting point and low viscosity. Composite materials were manufactured by mechanical mixing steel powders with fresh crushed basal rock in diameter below 45 µm. Mixture of basalt content of 10, 30 and 50 wt.% were prepared.
Green compacts were obtained by pressing under pressure of 150 MPa using a steel mold. Thermal treatment is done at 1250 ⁰C for 30, 45 and 60 minutes in a vacuum furnace. Starting powder as well as sintered composites were characterized by X-ray diffraction method (XRD). Morphology of powders and microstructural development were followed by scanning electron microscope (SEM). Mechanical properties were investigated by Vickers hardness.",
publisher = "Institute for Multidisciplinary Research, University of Belgrade",
journal = "Programme ; and the Book of Abstracts / 5th Conference of The Serbian Society for Ceramic Materials, 5CSCS-2019, June 11-13, 2019, Belgrade, Serbia",
title = "Metal-Glass Composite Material",
url = "https://hdl.handle.net/21.15107/rcub_machinery_7326"
}
Pavkov, V., Bakić, G., Maksimović, V., Maslarević, A.,& Matović, B.. (2019). Metal-Glass Composite Material. in Programme ; and the Book of Abstracts / 5th Conference of The Serbian Society for Ceramic Materials, 5CSCS-2019, June 11-13, 2019, Belgrade, Serbia
Institute for Multidisciplinary Research, University of Belgrade..
https://hdl.handle.net/21.15107/rcub_machinery_7326
Pavkov V, Bakić G, Maksimović V, Maslarević A, Matović B. Metal-Glass Composite Material. in Programme ; and the Book of Abstracts / 5th Conference of The Serbian Society for Ceramic Materials, 5CSCS-2019, June 11-13, 2019, Belgrade, Serbia. 2019;.
https://hdl.handle.net/21.15107/rcub_machinery_7326 .
Pavkov, Vladimir, Bakić, Gordana, Maksimović, Vesna, Maslarević, Aleksandar, Matović, Branko, "Metal-Glass Composite Material" in Programme ; and the Book of Abstracts / 5th Conference of The Serbian Society for Ceramic Materials, 5CSCS-2019, June 11-13, 2019, Belgrade, Serbia (2019),
https://hdl.handle.net/21.15107/rcub_machinery_7326 .

Rendgenska difraktometrija praha - XRPD

Pavkov, Vladimir; Bakić, Gordana; Maksimović, Vesna; Matović, Branko; Đukić, Miloš

(Belgrade : Singidunum University, 2019)

TY  - CONF
AU  - Pavkov, Vladimir
AU  - Bakić, Gordana
AU  - Maksimović, Vesna
AU  - Matović, Branko
AU  - Đukić, Miloš
PY  - 2019
UR  - https://machinery.mas.bg.ac.rs/handle/123456789/5029
PB  - Belgrade : Singidunum University
C3  - 6th International Scientific Conference on Information Technology and Data Related Research - Sinteza 2019
T1  - Rendgenska difraktometrija praha - XRPD
UR  - https://hdl.handle.net/21.15107/rcub_machinery_5029
ER  - 
@conference{
author = "Pavkov, Vladimir and Bakić, Gordana and Maksimović, Vesna and Matović, Branko and Đukić, Miloš",
year = "2019",
publisher = "Belgrade : Singidunum University",
journal = "6th International Scientific Conference on Information Technology and Data Related Research - Sinteza 2019",
title = "Rendgenska difraktometrija praha - XRPD",
url = "https://hdl.handle.net/21.15107/rcub_machinery_5029"
}
Pavkov, V., Bakić, G., Maksimović, V., Matović, B.,& Đukić, M.. (2019). Rendgenska difraktometrija praha - XRPD. in 6th International Scientific Conference on Information Technology and Data Related Research - Sinteza 2019
Belgrade : Singidunum University..
https://hdl.handle.net/21.15107/rcub_machinery_5029
Pavkov V, Bakić G, Maksimović V, Matović B, Đukić M. Rendgenska difraktometrija praha - XRPD. in 6th International Scientific Conference on Information Technology and Data Related Research - Sinteza 2019. 2019;.
https://hdl.handle.net/21.15107/rcub_machinery_5029 .
Pavkov, Vladimir, Bakić, Gordana, Maksimović, Vesna, Matović, Branko, Đukić, Miloš, "Rendgenska difraktometrija praha - XRPD" in 6th International Scientific Conference on Information Technology and Data Related Research - Sinteza 2019 (2019),
https://hdl.handle.net/21.15107/rcub_machinery_5029 .

Theoretical study of AlN mechanical behaviour under high pressure regime

Zagorac, D.; Zagorac, J.; Đukić, Miloš; Jordanov, D.; Matović, Branko

(Elsevier, Amsterdam, 2019)

TY  - JOUR
AU  - Zagorac, D.
AU  - Zagorac, J.
AU  - Đukić, Miloš
AU  - Jordanov, D.
AU  - Matović, Branko
PY  - 2019
UR  - https://machinery.mas.bg.ac.rs/handle/123456789/3020
AB  - Aluminum nitride (AlN) is a very important industrial and technological material due to its properties, e.g. high melting point, thermal conductivity, electrical resistivity, mechanical strength, and corrosion resistance. This work represents detailed study of mechanical and elastic properties of AlN structures under compression. Theoretical modeling has been performed using quantum mechanical calculations and computed values were compared with the experimental results when available. Structural properties, volume change and strain (dilatation) under high pressure has been investigated for various AlN phases. Elastic constants Cij for wurtzite, sphalerite and rock salt structure were calculated under pressure. Important mechanical properties were investigated; bulk modulus B, shear modulus K, Young's modulus E, Vickers hardness H-nu, anisotropy, stiffness, Poisson's ratio, brittleness/ductility, in order to investigate influence of pressure on wurtzite, sphalerite and rock salt based AlN materials. Detailed analysis of anisotropic mechanical properties under compression has been performed, as well as relationship between B, K, E and H-nu, in order to offer novel technological and industrial applications of AlN.
PB  - Elsevier, Amsterdam
T2  - Theoretical and Applied Fracture Mechanics
T1  - Theoretical study of AlN mechanical behaviour under high pressure regime
VL  - 103
DO  - 10.1016/j.tafmec.2019.102289
ER  - 
@article{
author = "Zagorac, D. and Zagorac, J. and Đukić, Miloš and Jordanov, D. and Matović, Branko",
year = "2019",
abstract = "Aluminum nitride (AlN) is a very important industrial and technological material due to its properties, e.g. high melting point, thermal conductivity, electrical resistivity, mechanical strength, and corrosion resistance. This work represents detailed study of mechanical and elastic properties of AlN structures under compression. Theoretical modeling has been performed using quantum mechanical calculations and computed values were compared with the experimental results when available. Structural properties, volume change and strain (dilatation) under high pressure has been investigated for various AlN phases. Elastic constants Cij for wurtzite, sphalerite and rock salt structure were calculated under pressure. Important mechanical properties were investigated; bulk modulus B, shear modulus K, Young's modulus E, Vickers hardness H-nu, anisotropy, stiffness, Poisson's ratio, brittleness/ductility, in order to investigate influence of pressure on wurtzite, sphalerite and rock salt based AlN materials. Detailed analysis of anisotropic mechanical properties under compression has been performed, as well as relationship between B, K, E and H-nu, in order to offer novel technological and industrial applications of AlN.",
publisher = "Elsevier, Amsterdam",
journal = "Theoretical and Applied Fracture Mechanics",
title = "Theoretical study of AlN mechanical behaviour under high pressure regime",
volume = "103",
doi = "10.1016/j.tafmec.2019.102289"
}
Zagorac, D., Zagorac, J., Đukić, M., Jordanov, D.,& Matović, B.. (2019). Theoretical study of AlN mechanical behaviour under high pressure regime. in Theoretical and Applied Fracture Mechanics
Elsevier, Amsterdam., 103.
https://doi.org/10.1016/j.tafmec.2019.102289
Zagorac D, Zagorac J, Đukić M, Jordanov D, Matović B. Theoretical study of AlN mechanical behaviour under high pressure regime. in Theoretical and Applied Fracture Mechanics. 2019;103.
doi:10.1016/j.tafmec.2019.102289 .
Zagorac, D., Zagorac, J., Đukić, Miloš, Jordanov, D., Matović, Branko, "Theoretical study of AlN mechanical behaviour under high pressure regime" in Theoretical and Applied Fracture Mechanics, 103 (2019),
https://doi.org/10.1016/j.tafmec.2019.102289 . .
9
23
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22

Plazma metalizacija u vazduhu

Pavkov, Vladimir; Bakić, Gordana; Maksimović, Vesna; Matović, Branko; Đukić, Miloš

(Belgrade : Singidunum University, 2018)

TY  - CONF
AU  - Pavkov, Vladimir
AU  - Bakić, Gordana
AU  - Maksimović, Vesna
AU  - Matović, Branko
AU  - Đukić, Miloš
PY  - 2018
UR  - https://machinery.mas.bg.ac.rs/handle/123456789/5027
AB  - Danas, kao i prethodnih godina, produžetak radnog veka mašinskih delova i
konstrukcija u cilju smanjenja troškova održavanja postrojenja od izuzetne je
važnosti za industriju. S obzirom da su delovi u industriji, tokom eksploatacije,
izloženi različitim radnim uslovima, kao što su trenje, korozija, abrazija,
erozija i drugi oblici habanja, koji dovode do njihovog oštećenja kao i gubitka
materijala na površini. Postupci zaštite površinskih slojeva materijala danas
su različiti, a jednu značajnu grupu čine postupci metalizacije, pomoću kojih
se rastopljeni ili omekšani dodatni materijal nanosi na pripremljenu površinu
supstrata formirajući prevlaku različite namene. Imajući u vidu sve postupke
metalizacije, plazma metalizacija predstavlja postupak sa najvišom temperaturom
u procesu nanošenja prevlake. Visok kvalitet dobijenih prevlaka,
omogućava primenu plazma metalizacije u gotovo svim granama industrije.
U ovom radu, predstavljen je princip rada, područje primene, prednosti i
nedostaci kao i značaj plazma metalizacije u vazduhu, kao najčešće korišćenog
postupka plazma metalizacije.
PB  - Belgrade : Singidunum University
C3  - International Scientific Conference on Information technology and Data Related reaserch
T1  - Plazma metalizacija u vazduhu
UR  - https://hdl.handle.net/21.15107/rcub_machinery_5027
ER  - 
@conference{
author = "Pavkov, Vladimir and Bakić, Gordana and Maksimović, Vesna and Matović, Branko and Đukić, Miloš",
year = "2018",
abstract = "Danas, kao i prethodnih godina, produžetak radnog veka mašinskih delova i
konstrukcija u cilju smanjenja troškova održavanja postrojenja od izuzetne je
važnosti za industriju. S obzirom da su delovi u industriji, tokom eksploatacije,
izloženi različitim radnim uslovima, kao što su trenje, korozija, abrazija,
erozija i drugi oblici habanja, koji dovode do njihovog oštećenja kao i gubitka
materijala na površini. Postupci zaštite površinskih slojeva materijala danas
su različiti, a jednu značajnu grupu čine postupci metalizacije, pomoću kojih
se rastopljeni ili omekšani dodatni materijal nanosi na pripremljenu površinu
supstrata formirajući prevlaku različite namene. Imajući u vidu sve postupke
metalizacije, plazma metalizacija predstavlja postupak sa najvišom temperaturom
u procesu nanošenja prevlake. Visok kvalitet dobijenih prevlaka,
omogućava primenu plazma metalizacije u gotovo svim granama industrije.
U ovom radu, predstavljen je princip rada, područje primene, prednosti i
nedostaci kao i značaj plazma metalizacije u vazduhu, kao najčešće korišćenog
postupka plazma metalizacije.",
publisher = "Belgrade : Singidunum University",
journal = "International Scientific Conference on Information technology and Data Related reaserch",
title = "Plazma metalizacija u vazduhu",
url = "https://hdl.handle.net/21.15107/rcub_machinery_5027"
}
Pavkov, V., Bakić, G., Maksimović, V., Matović, B.,& Đukić, M.. (2018). Plazma metalizacija u vazduhu. in International Scientific Conference on Information technology and Data Related reaserch
Belgrade : Singidunum University..
https://hdl.handle.net/21.15107/rcub_machinery_5027
Pavkov V, Bakić G, Maksimović V, Matović B, Đukić M. Plazma metalizacija u vazduhu. in International Scientific Conference on Information technology and Data Related reaserch. 2018;.
https://hdl.handle.net/21.15107/rcub_machinery_5027 .
Pavkov, Vladimir, Bakić, Gordana, Maksimović, Vesna, Matović, Branko, Đukić, Miloš, "Plazma metalizacija u vazduhu" in International Scientific Conference on Information technology and Data Related reaserch (2018),
https://hdl.handle.net/21.15107/rcub_machinery_5027 .

Theoretical investigation of structural, mechanical, elastic and vibrational properties of advanced materials under extreme conditions

Zagorac, D.; Zagorac, J.; Đukić, Miloš; Jordanov, D.; Rosić, M.; Čebela, Maria; Luković, J.; Maksimović, Vesna; Matović, Branko

(Elsevier Science Bv, Amsterdam, 2018)

TY  - CONF
AU  - Zagorac, D.
AU  - Zagorac, J.
AU  - Đukić, Miloš
AU  - Jordanov, D.
AU  - Rosić, M.
AU  - Čebela, Maria
AU  - Luković, J.
AU  - Maksimović, Vesna
AU  - Matović, Branko
PY  - 2018
UR  - https://machinery.mas.bg.ac.rs/handle/123456789/2864
AB  - One of the recent trends in materials science and technology is the research of the behavior of the materials under the extreme conditions both on the theoretical and experimental basis. There are limitations of the experimental methods, however, theoretical approach can be used as a supplement to the experimental results. As a consequence, in the last two decades a vast number of structure prediction calculations have been performed on chemical systems, focusing on the high-pressure and high temperature phases. In this work, we would like to present several computational studies and their connection to the actual synthesis routes: lead sulfide (PbS), barium sulfide (BaS), and aluminum nitride (AlN). The investigated compounds were calculated on ab initio level using the most advanced tools in quantum chemistry and computational material science including Hartree-Fock Theory, Density Functional Theory (DFT) and Hybrid (B3LYP) Approximation. Their structural, mechanical, elastic and vibrational properties have been investigated and in addition, we show structure candidates as the function of size, pressure and temperature and not previously observed in any of the investigated materials thus creating new possibilities for synthesis of advanced materials with improved physical, chemical, and/or mechanical properties.
PB  - Elsevier Science Bv, Amsterdam
C3  - Procedia Structural Integrity - ECF22 - Loading and environmental effects on structural integrity
T1  - Theoretical investigation of structural, mechanical, elastic and vibrational properties of advanced materials under extreme conditions
EP  - 2010
SP  - 2005
VL  - 13
DO  - 10.1016/j.prostr.2018.12.216
ER  - 
@conference{
author = "Zagorac, D. and Zagorac, J. and Đukić, Miloš and Jordanov, D. and Rosić, M. and Čebela, Maria and Luković, J. and Maksimović, Vesna and Matović, Branko",
year = "2018",
abstract = "One of the recent trends in materials science and technology is the research of the behavior of the materials under the extreme conditions both on the theoretical and experimental basis. There are limitations of the experimental methods, however, theoretical approach can be used as a supplement to the experimental results. As a consequence, in the last two decades a vast number of structure prediction calculations have been performed on chemical systems, focusing on the high-pressure and high temperature phases. In this work, we would like to present several computational studies and their connection to the actual synthesis routes: lead sulfide (PbS), barium sulfide (BaS), and aluminum nitride (AlN). The investigated compounds were calculated on ab initio level using the most advanced tools in quantum chemistry and computational material science including Hartree-Fock Theory, Density Functional Theory (DFT) and Hybrid (B3LYP) Approximation. Their structural, mechanical, elastic and vibrational properties have been investigated and in addition, we show structure candidates as the function of size, pressure and temperature and not previously observed in any of the investigated materials thus creating new possibilities for synthesis of advanced materials with improved physical, chemical, and/or mechanical properties.",
publisher = "Elsevier Science Bv, Amsterdam",
journal = "Procedia Structural Integrity - ECF22 - Loading and environmental effects on structural integrity",
title = "Theoretical investigation of structural, mechanical, elastic and vibrational properties of advanced materials under extreme conditions",
pages = "2010-2005",
volume = "13",
doi = "10.1016/j.prostr.2018.12.216"
}
Zagorac, D., Zagorac, J., Đukić, M., Jordanov, D., Rosić, M., Čebela, M., Luković, J., Maksimović, V.,& Matović, B.. (2018). Theoretical investigation of structural, mechanical, elastic and vibrational properties of advanced materials under extreme conditions. in Procedia Structural Integrity - ECF22 - Loading and environmental effects on structural integrity
Elsevier Science Bv, Amsterdam., 13, 2005-2010.
https://doi.org/10.1016/j.prostr.2018.12.216
Zagorac D, Zagorac J, Đukić M, Jordanov D, Rosić M, Čebela M, Luković J, Maksimović V, Matović B. Theoretical investigation of structural, mechanical, elastic and vibrational properties of advanced materials under extreme conditions. in Procedia Structural Integrity - ECF22 - Loading and environmental effects on structural integrity. 2018;13:2005-2010.
doi:10.1016/j.prostr.2018.12.216 .
Zagorac, D., Zagorac, J., Đukić, Miloš, Jordanov, D., Rosić, M., Čebela, Maria, Luković, J., Maksimović, Vesna, Matović, Branko, "Theoretical investigation of structural, mechanical, elastic and vibrational properties of advanced materials under extreme conditions" in Procedia Structural Integrity - ECF22 - Loading and environmental effects on structural integrity, 13 (2018):2005-2010,
https://doi.org/10.1016/j.prostr.2018.12.216 . .
9
2
2
3

Materials and concept of plasma spraying

Pavkov, Vladimir; Bakić, Gordana; Maksimović, Vesna; Matović, Branko

(Institute for Multidisciplinary Research, University of Belgrade, Belgrade, Serbia, 2017)

TY  - CONF
AU  - Pavkov, Vladimir
AU  - Bakić, Gordana
AU  - Maksimović, Vesna
AU  - Matović, Branko
PY  - 2017
UR  - https://machinery.mas.bg.ac.rs/handle/123456789/5022
AB  - In order to extend service life of equipment and machine parts, or to increase
resistance of mechanical parts exposed to severe conditions, different coatings are applied. There are numerous options in the process of providing a coating to mechanical components in order to protect them. Being versatile, and providing for an array of different materials makes plasma spraying a very popular process, although it is not the best choice for others. Materials in the form of powder commonly used in the process are oxides (TiO2, ZrO2, ZrSiO4, Cr2O3, Y2O3, their mixtures, etc.), carbides, borides, nitrides and cermets (WC–Co and Cr3C2–NiCr is the most widely applied one). In the process of plasma spraying, plasma is generated within the plasma torch via an electric arc. Depending on the material being coated or substrates and their different properties, a large number of different process parameters can be adapted to suit the specific need. The plasma spraying process can be implemented as: 1) atmospheric plasma spraying, where the plasma jet exits the torch into the atmospheric environment; 2) controlled atmosphere plasma spraying, where the jet is exiting into a chamber providing the controlled atmosphere (Ar); 3) low pressure plasma spraying or vacuum plasma spraying, where the jet is exiting
the torch into a low pressure chamber at vacuum conditions; 4) plasma spraying
physical vapor deposition as hybrid process.
PB  - Institute for Multidisciplinary Research, University of Belgrade, Belgrade, Serbia
C3  - 4th Conference of the Serbian Society for Ceramic Materials
T1  - Materials and concept of plasma spraying
UR  - https://hdl.handle.net/21.15107/rcub_machinery_5022
ER  - 
@conference{
author = "Pavkov, Vladimir and Bakić, Gordana and Maksimović, Vesna and Matović, Branko",
year = "2017",
abstract = "In order to extend service life of equipment and machine parts, or to increase
resistance of mechanical parts exposed to severe conditions, different coatings are applied. There are numerous options in the process of providing a coating to mechanical components in order to protect them. Being versatile, and providing for an array of different materials makes plasma spraying a very popular process, although it is not the best choice for others. Materials in the form of powder commonly used in the process are oxides (TiO2, ZrO2, ZrSiO4, Cr2O3, Y2O3, their mixtures, etc.), carbides, borides, nitrides and cermets (WC–Co and Cr3C2–NiCr is the most widely applied one). In the process of plasma spraying, plasma is generated within the plasma torch via an electric arc. Depending on the material being coated or substrates and their different properties, a large number of different process parameters can be adapted to suit the specific need. The plasma spraying process can be implemented as: 1) atmospheric plasma spraying, where the plasma jet exits the torch into the atmospheric environment; 2) controlled atmosphere plasma spraying, where the jet is exiting into a chamber providing the controlled atmosphere (Ar); 3) low pressure plasma spraying or vacuum plasma spraying, where the jet is exiting
the torch into a low pressure chamber at vacuum conditions; 4) plasma spraying
physical vapor deposition as hybrid process.",
publisher = "Institute for Multidisciplinary Research, University of Belgrade, Belgrade, Serbia",
journal = "4th Conference of the Serbian Society for Ceramic Materials",
title = "Materials and concept of plasma spraying",
url = "https://hdl.handle.net/21.15107/rcub_machinery_5022"
}
Pavkov, V., Bakić, G., Maksimović, V.,& Matović, B.. (2017). Materials and concept of plasma spraying. in 4th Conference of the Serbian Society for Ceramic Materials
Institute for Multidisciplinary Research, University of Belgrade, Belgrade, Serbia..
https://hdl.handle.net/21.15107/rcub_machinery_5022
Pavkov V, Bakić G, Maksimović V, Matović B. Materials and concept of plasma spraying. in 4th Conference of the Serbian Society for Ceramic Materials. 2017;.
https://hdl.handle.net/21.15107/rcub_machinery_5022 .
Pavkov, Vladimir, Bakić, Gordana, Maksimović, Vesna, Matović, Branko, "Materials and concept of plasma spraying" in 4th Conference of the Serbian Society for Ceramic Materials (2017),
https://hdl.handle.net/21.15107/rcub_machinery_5022 .