Effect of fiber volume fraction on the stress intensity factors for multi layered composites under arbitrary anti-plane shear loading

2000 ◽  
Vol 14 (9) ◽  
pp. 920-927
Author(s):  
Sung Ho Kim ◽  
Kang Yong Lee ◽  
Sung Chul Joo
Keyword(s):  
Stress Intensity ◽  
Stress Intensity Factors ◽  
Fiber Volume Fraction ◽  
Volume Fraction ◽  
Shear Loading ◽  
Layered Composites ◽  
Intensity Factors ◽  
Fiber Volume ◽  
Plane Shear

Functionally Graded Materials with Periodic Cracks Subjected to Transient Loading

2006 ◽  
Vol 312 ◽  
pp. 47-52
Author(s):  
Jie Cai Han ◽  
Bao Lin Wang
Keyword(s):  
Stress Intensity ◽  
Stress Intensity Factors ◽  
Surface Displacement ◽  
Transient State ◽  
Shear Loading ◽  
Functionally Graded ◽  
Intensity Factors ◽  
Plane Shear ◽  
Graded Materials ◽  
Graded Material

A periodic array of cracks in a functionally graded material under transient mechanical loading is investigated. Anti-plane shear loading condition is considered. A singular integral equation is derived, in which the crack surface displacement is the unknown function. Numerical results are obtained to illustrate the variations of the stress intensity factors as a function of the crack periodicity for different values of the material nonhomogeneity, either at the transient state or at the steady state. The material non-homogeneity can increase or reduce the stress intensity factors. Comparing with the single crack solution, it can be shown that multiple cracking can reduce the stress intensity factor significantly.

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