The effect of crack path on tearing resistance of a narrow-gap Alloy 52 dissimilar metal weld

Sebastian Lindqvist,Teemu Sarikka,Matias Ahonen,Hannu Hänninen

Engineering Fracture Mechanics（2018）

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摘要

•HAZ cracks can deviate from the initial crack growth plane to the fusion boundary.•The J-R curves are smallest for cracks initiating at the fusion boundary.•The 10 × 10 and 10 × 20 SE(B) specimens yield similar J-R curves.

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关键词

Tearing resistance,Crack path,Dissimilar metal weld,Strength mismatch,Nuclear power plant

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