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一种预测界面裂纹形成的新方法

胡互让 吴承平

胡互让, 吴承平. 一种预测界面裂纹形成的新方法[J]. 应用数学和力学, 1997, 18(1): 37-44.
引用本文: 胡互让, 吴承平. 一种预测界面裂纹形成的新方法[J]. 应用数学和力学, 1997, 18(1): 37-44.
Hu Hurang, Wu Chengping. A New Approach to Predicting Interfacial Crack Growth[J]. Applied Mathematics and Mechanics, 1997, 18(1): 37-44.
Citation: Hu Hurang, Wu Chengping. A New Approach to Predicting Interfacial Crack Growth[J]. Applied Mathematics and Mechanics, 1997, 18(1): 37-44.

一种预测界面裂纹形成的新方法

A New Approach to Predicting Interfacial Crack Growth

  • 摘要: 本文提出了一种预测界面裂纹形成的新方法,称为“β=0法”.这是一种变换方法,通过调整有关材料弹性常数,把振荡应力场变换为非振荡应力场.界面韧性曲线将随调整后新的材料性质而改变.本文方法预测的临界荷载与界面断裂力学预测的临界荷载严格一致.最后通过几个实例说明了保持能量释放率不变的情况下,怎样实施β=0法.
  • [1] Z. Suo, Singularities, interfaces and cracks in dissimilar anisotropic media, Proc. R. Soc.Lond., A427 (1990), 331-358.
    [2] M.Y He and J. W. Hutchinson, Kinking of crack out of an interface, J Appl. Mech.,56 (1989), 270-278.
    [3] J. W. Hutchinson, Mixed mode fracture mechanics of interface, Metal Ceramic Interfaces, ed. by M. Ruhle, A. G. Evans, M. F. Ashby and J. P. Hirth, Pergamon Press,New York (1990).
    [4] J. Dundurs, in Mathematical Theory of Dislocations, ASME (1969), 70-115.
    [5] J. R. Rice, Elastic fracture mechanics concepts for interfacial cracks, J. Appl. Mech., 55(1988), 98-103.
    [6] R. A. Schapery and B. D. Davidson, Prediction of energy release rate for mixed-mode delamination using classical plate theory, Appl. Mech. Review, 43 (Part 2) (1990), S281-S287.
    [7] B. D. Davidson, H. Hu and R. A. Schapery, An analytical crack tip element for layere delastic structures, J. Appl. Mech.
    [8] E. F. Rybicki and M. F. Kanninen, A finite element calculation of strss intensity factorsby a modified crack closure integral, Eng. Fracl. Mech., 9 (1977). 931-938.
    [9] Z. Suo and J. W. Hutchinson, Interface crack between two elastic layers, In I. J. F.acture.43 (1990), 1-18.
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出版历程
  • 收稿日期:  1995-06-09
  • 刊出日期:  1997-01-15

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