A Method of Solving Stress Intensity Factors of the Bent Crack in Three Points Bend Specimens

  • Hong Wei
  • Wang Chen
Conference paper


The unilateral straight crack in three points bend (TPB) specimens is in complex stress state when it is in the unsymmetrical position. It can propagate to become a bent crack when an alternating load is applied. In order to investigate the law of complex type fatigue by making use of TPB specimen, the method of solving the stress intensity factors (SIF) of the bent crack in TPB specimen must be found. In this paper, a method of solving the SIF of the bent crack in TPB specimen was presented, furthermore, the solutions were verified by experiments.


Stress Intensity Factor Stress Intensity Factor Three Point Bend Complex Stress State Fracture Angle 
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Copyright information

© Springer Japan 1986

Authors and Affiliations

  • Hong Wei
    • 1
  • Wang Chen
    • 1
  1. 1.Department of Mathematics and MechanicsBeijing University of Iron and Steel TechnologyBeijingChina

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