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弹塑性运动裂纹的动力位错解

赵志苏

赵志苏. 弹塑性运动裂纹的动力位错解[J]. 应用数学和力学, 1988, 9(4): 327-334.
引用本文: 赵志苏. 弹塑性运动裂纹的动力位错解[J]. 应用数学和力学, 1988, 9(4): 327-334.
Zhao Zhi-su. Dynamic Dislocations Solution to Elastoplastic Moving Cracks[J]. Applied Mathematics and Mechanics, 1988, 9(4): 327-334.
Citation: Zhao Zhi-su. Dynamic Dislocations Solution to Elastoplastic Moving Cracks[J]. Applied Mathematics and Mechanics, 1988, 9(4): 327-334.

弹塑性运动裂纹的动力位错解

Dynamic Dislocations Solution to Elastoplastic Moving Cracks

  • 摘要: 本文基于细观观点,用线排列动力位错模拟运动裂纹,通过叠加方法处理弹塑性运动裂纹问题,求出了各种情形下的动力张开位移,从而给出了运动裂纹的一个弹塑性失稳判据,并就Ⅰ,Ⅱ,Ⅲ型运动裂纹展开进行了讨论.
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    [4] Eshelby,J.D.,Dislocations in visco-elastic materials,Phil.Mag.,6 (1961),953.
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    [8] Fan,T.Y.,Moving defect with irreversible deformation zone and criterion of nonlinear dynamic fracture of solids,Chinese Phys.Letter,9 (1986),405.
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    [12] Weertman,J.,Response of Metals to High Velocity Deformation,P.G.Shewean and V.F.Zackay Press,Cambrige (1959).
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出版历程
  • 收稿日期:  1987-03-20
  • 刊出日期:  1988-04-15

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