Criteria of metal ductile fracture and numerical simulation for metal forming

被引：0

作者：

Fang, Gang ^{[1
]}

Lei, Liping ^{[1
]}

Zeng, Pan ^{[1
]}

机构：

[1] Tsinghua Univ., Beijing 100084, China

来源：

Jixie Gongcheng Xuebao/Chinese Journal of Mechanical Engineering | 2002年 / 38卷 / SUPPL.期

关键词：

Cutting - Extrusion - Finite element method - Fracture;

D O I：

10.3901/jme.2002.supp.021

中图分类号：

学科分类号：

摘要：

Some criteria of metal ductile fracture are introduced, including empirical criteria derived from experiments and criteria based on continuum damage mechanics. In the finite element simulation for large deformation, crack generation and propagation can be modeled by element deletion, element split and element separation. Applyling some criteria and the element deletion method, the fracture, which occurred in sheet blanking, orthogonal metal cutting and cold forward extrusion processing, was simulated.

引用

页码：21 / 25

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