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The transferability of fracture-mechanics parameters to fracture performance evaluation of welds with mismatching
Masao Toyoda, Zdravko Praunseis, 2000, izvirni znanstveni članek

Opis: The differences in the mechanical properties between different weld-metal regions obviously affect the strain distribution around the crack tip during a fracture test and hence influence the fracture toughness value. The variation in plastic constraint during fracture mechanics testing has an additional effect on the ductile and brittle fracture initiation behaviour of any weld joint. This paper deals with the transferability of fracture toughness results to the fracture performance evaluation of the strenght of mismatch welded joints based on the two-parameter criterion and the local approach. It was found that the numerical simulations based on the transferrable fracture concept are effective in practice.
Ključne besede: welding, welded joints, strength mismatching, plastic constraint, transferability concept
Objavljeno v DKUM: 01.06.2012; Ogledov: 1749; Prenosov: 384
.pdf Celotno besedilo (802,24 KB)
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