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Stress-strain state at the vicinity of the crack tip in strength mis-match welded joint


Matejiček, Franjo; Gubeljak, Nenad; Kozak, Dražan; Kocak, Mustafa
Stress-strain state at the vicinity of the crack tip in strength mis-match welded joint // Proceedings of the XIII European Conference on Fracture (CD-Room), Fracture Mechanics: Applications and Challenges / Fuentes, Manuel ; Elices, Manuel ; Meizoso, Antonio-Martin (ur.).
Oxford: Elsevier Science, 2000. (predavanje, međunarodna recenzija, cjeloviti rad (in extenso), znanstveni)


Naslov
Stress-strain state at the vicinity of the crack tip in strength mis-match welded joint

Autori
Matejiček, Franjo ; Gubeljak, Nenad ; Kozak, Dražan ; Kocak, Mustafa

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni

Izvornik
Proceedings of the XIII European Conference on Fracture (CD-Room), Fracture Mechanics: Applications and Challenges / Fuentes, Manuel ; Elices, Manuel ; Meizoso, Antonio-Martin - Oxford : Elsevier Science, 2000

Skup
13th European Conference on Fracture - ECF 13, Fracture Mechanics: Applications and Challenges

Mjesto i datum
San Sebastian, Španjolska, 06-09.09.2000

Vrsta sudjelovanja
Predavanje

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
Mis-match welded joint

Sažetak
The safe use of any welded structure is not only dependent on the fracture toughness of the joint, but also on the capacity of the material to yield and harden in the vicinity of a flaw. In welded joints defects are generally located in several microstructures which have different mechanical properties and strain hardening behaviours. Therefore, fracture behaviour is affected by the interaction of different microstructures at the crack tip. Even if each microstructure behaves independently in a ductile manner, a welded joint, and thus a whole welded structure, can fracture in a brittle manner due to the aforementioned interaction. The aim of this paper is to analyse the stress and strain state at the crack tip, as affected by heterogeneous microstructure and to evaluate the initiation of stable crack growth.

Izvorni jezik
Engleski

Znanstvena područja
Strojarstvo



POVEZANOST RADA


Projekt / tema
152002
152004

Ustanove
Strojarski fakultet, Slavonski Brod