Naslov
The Influence of The Weld Width on Fracture Behaviour of The Heterogeneous Welded Joint

Autori
Konjatić, Pejo ; Kozak, Dražan ; Gubeljak, Nenad

Izvornik
Key engineering materials (1013-9826) 488-489 (2012); 367-370

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
heterogeneous welded joint; finite element method; yield load; weld width; fracture resistance; material mismatch

Sažetak
Since welded constructions are widely used in engineering, a certain flaws in welded joints may occur either in process of welding or in exploitation period. Easiest way to prolong working life of such welded construction is to repair welded joint to eliminate possibility of construction failure. Process of repair welding usually gives heterogeneous welded joints because during process of repair additional material is introduced into welded joint, resulting in heterogeneity from the presence of materials in welded joint point of view. Such difference in materials usually results in yield strength difference between materials, represented with mismatch ratio, and it is commonly present in welds where high strength low-alloyed (HSLA) steels were welded. Since I butt welded joints are very common in welding, a systematic investigation of such welds is performed and presented in this paper. Therefore in this investigation the influence of present material in heterogeneous weld and geometry of weld is investigated in context of fracture resistance of welded joint represented as yield load solutions in the first place. A flaw in form of crack was implemented in such heterogeneous weld and using finite element method yield load solutions for different combina

Izvorni jezik
Engleski

Znanstvena područja
Strojarstvo

POVEZANOST RADA