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首页> 外文期刊>Key engineering materials >The Ductile Versus Brittle Fracture Behavior Assessed By The Competition Between Dislocation Emission And Cleavage At Blunt Crack Tip
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The Ductile Versus Brittle Fracture Behavior Assessed By The Competition Between Dislocation Emission And Cleavage At Blunt Crack Tip

机译:The Ductile Versus Brittle Fracture Behavior Assessed By The Competition Between Dislocation Emission And Cleavage At Blunt Crack Tip

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摘要

Closed-form solutions for critical energy release rates G_(cleav) for cleavage and G_(disl) for dislocation emission at blunt crack tip were obtained both for mode Ⅰ and mode Ⅱ loadings. By comparing the two critical energy release rates for given material, the intrinsically ductile or intrinsically brittle behavior is identified.

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