韧性裂纹扩展的损伤力学描述
DAMAGE MECHANICS DESCRIPTION OF DUCTILE CRACK GROWTH
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Abstract: Damage models of material failure by microvoid nucleation and growth to coalescence are described.Approximate constitutive relations are used,to model both the nucleation and growth of the microvoids.The Crack growth has been numerically analyzed,based on damage medel of finite element method and compared with the experiments of compact tension specimen successfully.
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Key words:
- Damage /
- Crack propagation /
- Voids
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