Applied Mathematics and Mechanics (English Edition) ›› 1997, Vol. 18 ›› Issue (7): 689-696.

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ASYMPTOTIC ANALYSIS OF PLANE-STRAIN MODE I STEADY-STATE CRACK GROWTH IN TRANSFORMATION TOUGHENING CERAMICS(Ⅱ)

Zhang Xi1, Ye Yugong2   

  1. 1. Zhongnan Institute of Technology, Hengyang 421001, P. R. China;
    2. Institute of Mechanics, Chinese Academy of Scicnces, Beijing 100080, P. R. China
  • Received:1996-04-17 Revised:1997-04-17 Online:1997-07-18 Published:1997-07-18
  • Supported by:
    Project supported by the National Natural Science Foundation of China

Abstract: Based on a constitutive law which includes the shear components oftransformation plasticity. the asymptotic solutions to near-tip fields of plane-strainmode I steadity propagating cracks in rransformed ceramics are obtained for the caseof linear isotropic hardening. The Stress singularity. the distributions of stresses andvelocities at the crack tip are determmed for various material parameters. The factorsinfluencing the near-tip fields are discussed in detail.

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