Fracture toughness prediction of hydrogen-embrittled materials using small punch test data in Hydrogen
International Journal of Mechanical Sciences（2022）
摘要
•Numerical prediction methodology for fracture toughness of hydrogen-embrittled material using small punch test data.•Quantification of the hydrogen-embrittlement effect using hydrogen-embrittlement constant.•Variation of fracture toughness with hydrogen concentration.•FE damage analysis to simulate small punch test in hydrogen.
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关键词
Finite element damage analysis,Fracture toughness prediction,Hydrogen-embrittlement constant,Multi-axial fracture strain model,Small punch test
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