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Bond strength of restorative materials to hydroxyapatite inserts and dimensional changes of insert-containing restorations during polymerization
(Elsevier Sci Ltd, Oxford, 2015)
Objective. To determine the shear bond strength (SBS) between synthetic controlled porous hydroxyapatite (HAP) inserts and restorative materials and dimensional changes of insert-containing restorations during curing. ...
Irreversible changes of vacuum circuit breakers' dielectric strength as a result of current breaking operation
(Institute of Electrical and Electronics Engineers Inc., 2015)
In the vacuum switching element, current breaking operations cause the changes of the electrodes' surface by means of the following mechanism: 1 - cathode erosion (during the movement of electric arc's cathode spot); 2 - ...
Mogući načini primjene LCA metodologije na nano-materijale koji se koriste u održivoj proizvodnji energije / Possible approaches to LCA methodology for nanomaterials in sustainable energy production
(Contemporary materials, 2015)
Nanomaterijali imaju sve veću ulogu u brzo rastućoj oblasti održive proizvodnje energije. Pored dokazanih prednosti korišćenja nanomaterijala za inovacije u ovom domenu, njihov uticaj na životnu sredinu i zdravlje ljudi ...
Failure analysis of the mobile elevating work platform
(Elsevier Ltd, 2015)
This paper presents an investigation of the accident which occurred during startup of the extending structure from the transport position. In order to clarify the causes of crack occurrence along almost the entire surface ...
Simplified method for generating slope seismic deformation hazard curve
(Elsevier Ltd, 2015)
A simplified method for generating slope deformation hazard curve that takes into account the variations of input parameters is presented in this paper. The main assumption in the new approach is that the occurrence of ...
Tensile properties of ADI material in water and gaseous environments
(Elsevier Science Inc, New York, 2015)
Austempered ductile iron (ADI) is an advanced type of heat treated ductile iron, having comparable mechanical properties as forged steels. However, it was found that in contact with water the mechanical properties of ...
Surface modification of laser welded nimonic 263 sheets
(Institut za ispitivanje materijala, Beograd, 2015)
Laser surface treatment is both a thermomechanical and mechanical process, based on the ability of a high energy laser pulse to generate shock waves and plastic deformation in metallic materials. Laser welding is a high ...
Characteristics' optimization of gas-filled surg arresiers by using gas mixtures
(Institute of Electrical and Electronics Engineers Inc., 2015)
The increasing trend of electronic components' miniaturization makes them unresisting to overvoltage occurrences. Therefore, it is necessary to pay special attention to overvoltage protection at the low-voltage level. ...
Experimental and numerical cross-correlated modal analysis of the floor structure dynamics in a thermal power plant
(Institut za ispitivanje materijala, Beograd, 2015)
This article presents search methodology after the cause of excessive floor vibrations in a thermal power plant control room. The floor structure is a composition of a steel grillage and concrete slabs at 12 m level above ...
Belgrade solid waste management optimization potential of landfill gas recovery
(Gh Asachi Technical Univ Iasi, Iasi, 2015)
Establishing a management system for collecting and disposing the solid waste materials is of great importance in urban areas. Belgrade, the capital city of Serbia, is at its initial phase of managing this problem. Currently, ...