Loading of mini-Nakazima specimens with a dihedral punch: Determining the strain to fracture for plane strain tension through stretch-bending

Vincent Grolleau,Christian C. Roth,Vincent Lafilé,Bertrand Galpin,Dirk Mohr

International Journal of Mechanical Sciences（2019）

引用 21|浏览18

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摘要

•Proposed mini-Nakazima fracture experiment with dihedral punch.•Observed proportional loading path until fracture initiation.•Compared results with notched tension and V-bending.•Validated for aluminum 2024-T351, DP450, DP980.

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关键词

Ductile fracture,Plane strain tension,Stress triaxiality,Lode parameter

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