Fracture mechanics for a mode III crack in a piezoelectric material

1996 ◽  
Vol 33 (3) ◽  
pp. 343-359 ◽  
Author(s):  
Tong-Yi Zhang ◽  
Pin Tong
Keyword(s):  
Fracture Mechanics ◽  
Piezoelectric Material ◽  
Mode Iii ◽  
Mode Iii Crack

A Mode III Crack in a Functionally Graded Piezoelectric Material Strip

2004 ◽  
Vol 71 (3) ◽  
pp. 327-333 ◽  
Author(s):  
B. L. Wang ◽  
X. H. Zhang
Keyword(s):  
Piezoelectric Material ◽  
Electric Displacement ◽  
Crack Problem ◽  
Functionally Graded ◽  
Mode Iii ◽  
Functionally Graded Piezoelectric Material ◽  
Mode Iii Crack ◽  
Crack Location ◽  
Functional Forms ◽  
Functionally Graded Piezoelectric

This paper considers a mode III crack problem for a functionally graded piezoelectric material strip. The mechanical and electrical properties of the strip are considered for a class of functional forms for which the equilibrium equation has an analytical solution. The problem is solved by means of singular integral equation technique. Both a single crack and two collinear cracks are investigated. The results are tabulated and plotted to show the effect of the material nonhomogeneity and crack location on the stress and electric displacement intensity factors.

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