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The effect of cracks on stress state in crane wheel hard-surface under contact loading
(Univ Osijek, Tech Fac, Slavonski Brod, 2017)
Shown in this paper are the results of microstructure testing of crane wheels, along with the repair welding procedure performed by hard-surfacing. Repair welding involved the application of a welded layer to the crane ...
Impact of temperature and exploitation time on plane strain fracture toughness, k-ic, in a welded joint
(Institut za ispitivanje materijala, Beograd, 2017)
This paper presents the analysis of the impact of temperature and exploitation time on the tendency toward brittle fracture of welded joint constituents of new and exploited low-alloyed Cr-Mo steel A-387 Gr. B, by using ...
Structural integrity analysis of a cracked pressure vessel
(Institut za ispitivanje materijala, Beograd, 2021)
Stress distribution, as obtained by finite element method (FEM), and corresponding fracture mechanics parameters, have been used for the integrity assessment of a pressure vessel. Once the stress distribution is known, the ...
Repair of cracks detected in cast components of vertical kaplan turbine rotor hub
(Institut za ispitivanje materijala, Beograd, 2019)
During the revitalization of the hydroelectric generating station A4 at the hydro power plant 'Djerdap 1', all of its parts are subjected to non-destructive testing. Cracks are detected in cast part of generator rotor hub, ...
Procena čvrstoće zavarenih spojeva na tankim cilindričnim ljuskama oslabljenim aksijalnom prslinom, modifikovanom rei metodom
(Savez mašinskih i elektrotehničkih inženjera i tehničara Srbije (SMEITS), Beograd, 2002)
U radu su analizirani modifikovana REI metoda i mogućnost njene primene na zavarene spojeve tankih cilindričnih ljuski, ne uzimajući u obzir specifičnost zavarenih spojeva (heterogenost strukture, zaostale napone i ...
Procena integriteta posuda pod pritiskom sa greškom u zavarenom spoju / Structural integrity assessment of pressure vessels with defect in welded joints
(Vojnotehnički institut, Beograd, 2007)
U radu su prikazani primeri primene parametara mehanike loma za procenu integriteta posuda pod pritiskom sa prslinom. Primena parametara mehanike loma zavisi od niz podataka, pre svega o ponašanju materijala u prisustvu ...
Analiza otpornosti ka lomu ZUT-a u zavarenim spojevima mikrolegiranih čelika povećane čvrstoće / Analysis of the HAZ fracture resistance of HSLA steel weldments
(DUZS - Društvo za unapređivanje zavarivanja u Srbiji, Beograd, 2009)
Ispitivane su karakteristike otpornosti ka lomu u ZUT zavarenog spoja mikrolegiranog čelika povećane čvrstoće koji se koristi za izradu posuda pod pritiskom. S obzirom na namenu zavareni spoj treba da ima veliku otpornost ...
Uporedna analiza inženjerskih metoda u mehanici loma / A comparative analysis of engineering methods in fracture mechanics
(Institut za ispitivanje materijala, Beograd, 2009)
U ovom radu je analiziran Kingov model opruga u nizu za površinske prsline i pokazano je da se, polazeći od analitičkih izraza datih u modelu, mogu izvesti interesantne zavisnosti. Kingov model je upoređen sa modelom opruga ...
The influence of microstructure on ductile fracture initiation in low-alloyed steel
(Trans Tech Publications Ltd, Durnten-Zurich, 2004)
In this paper the quantitative microstructural analysis of low-alloyed pressure vessel steel has been discussed. The values of volume fraction and mean free path of non-metallic inclusions determined in that way were used ...
Analiza rasta prsline u zonama spoja frikciono zavarenog mešanjem korišćenjem proširene metode konačnih elemenata / Crack growth analysis in friction stir welded joint zones using extended finite element method
(Institut za ispitivanje materijala, Beograd, 2013)
U ovom radu je prikazana analiza rasta prsine u zonama zavarenog spoja izvedenog postupkom frikcionog zavarivanja mešanjem (FSW). Ploče od legure aluminijuma 2024-T351 su sučeono zavarene primenom postupka FSW. Ploče su ...