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Structural integrity assessment of welded bucket-wheel boom
(Institut za ispitivanje materijala, Beograd, 2021)
Research is conducted on the causes of damage and the structural integrity assessment of the bucket-wheel boom welded lattice structures, before and after the repair of vital structures. Additionally, the paper describes ...
(Samo)procena nastavnika osnovnih škola u Srbiji o nastavnim modelima u praksi
(University PIM, Banja Luka, Republic of Srpska, B&H, 2021)
Poslednjih godina informaciono-komunikacione tehnologije (IKT) dobijaju sve značajnije
mesto u obrazovnom sistemu. Tehnološki razvoj zahteva unapređenje obrazovnog sistema i
osposobljavanje učenika za novu eru, ali ujedno ...
Determination of the Actual Stress-Strain Diagram for Undermatching Welded Joint Using DIC and FEM
(MDPI, Basel, 2021)
This paper presents new methodology for determining the actual stress-strain diagram based on analytical equations, in combination with numerical and experimental data. The first step was to use the 3D digital image ...
Failure analysis and numerical simulation of slab carrying clamps
(Gruppo Italiano Frattura, Cassino, 2021)
The goal of this study was to determine the reasons for failure of slab carrying clamps which had occurred in one of the clamp support levers. Detailed fractography analysis revealed that there was a welded joint at the ...
Composite material selection for aircraft structures based on experimental and numerical evaluation of mechanical properties
(Elsevier Science Bv, Amsterdam, 2021)
In this paper determination of mechanical properties of composite material using experimental and numerical approach is presented. The mechanical properties of a laminate obtained in the experiment are used for verification ...
Numerical simulation of fatigue crack growth in AA6156 T6 panels
(Elsevier B.V., 2021)
Fatigue crack growth in a panel with 4 stringers and 3-clips, made of AA6156 T6, was modelled numerically using xFEM. The central crack of the length a=17 mm was propagated in the total of 91 steps (in each step crack ...
Welding safety by using a new model of welders' recertification in the oil and gas industry
(Institut za ispitivanje materijala, Beograd, 2021)
The paper presents a solution applied for determining the quality of the welding process in oil and gas industrial plants, as well as reliable verification of professional qualification of welding personnel. By applying ...
Algorithm for defining quality of base material for repair welding
(Institut za ispitivanje materijala, Beograd, 2021)
The paper shows the comparison of different methodologies for defining the quality of base material due for repair welding as one of the basic and initial problems during the repair of damaged parts or machine equipment. ...
Impact of downtime pattern on mining machinery efficiency
(Institut za ispitivanje materijala, Beograd, 2021)
In this paper, problem of mining machinery efficiency is considered through impact of different types of downtimes. New methodology is suggested based on comparison impact of mechanical and technological mining machinery ...