Mengyu Chai

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Questions related from Mengyu Chai

How to distinguish the stress state (plane strain and plane stress condition) of specimen during the fatigue crack growth?

Generally the plane stress state is achieved with relatively thin specimens, whereas the plane strain condition is achieved with relatively thick specimens. There is no pure plane strain or plane...

31 May 2016 5,028 14 View

Can anyone explain the relationship between fracture toughness and fatigue crack gowth rate or fatigue crack resistance?

I have conducted fracture toughness evaluation tests on 316 stainless steel (SS) and weld by estimating δQ values based on ASTM E1820. The results showed that 316 SS weld had a lower fracture...

03 May 2016 7,193 22 View