Research progress of meso-damage mechanics for ductile fracture criterion in metal forming

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作者：
National Die and Mold CAD Eng. Research Center, Shanghai Jiaotong Univ., Shanghai 200030, China [1 ]
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来源：
Shanghai Jiaotong Daxue Xuebao | 2006年 / 10卷 / 1748-1753+1757期
关键词：
Ductile fracture - Failure (mechanical) - Plastic deformation;
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摘要：
With the profound research in meso-damage of ductile material, meso-damage mechanics will play more and more important role in forecasting ductile fracture of metal material. Differing from macroscopic fracture mechanics, meso-damage mechanics emphasizes particularly on the influence on macroscopic fracture with the evolvement of meso-damage. The background of meso-damage mechanics was introduced, and an overview on the research and development of meso-damage mechanics was given. Then the key problems for the development of meso-damage mechanics were discussed, and the promotion of mechanism-based strain gradient plasticity theory to the development of meso-damage mechanics was proposed as well.
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