Interaction of a screw dislocation with an interfacial edge crack in a two-phase piezoelectric material

2004 ◽  
Vol 20 (5) ◽  
pp. 519-525 ◽  
Author(s):  
Liu Jinxi ◽  
Liu Ai ◽  
Jiang Zhiqing
Keyword(s):  
Screw Dislocation ◽  
Piezoelectric Material ◽  
Edge Crack ◽  
Two Phase

Screw dislocation in a two‐phase isotropic thin film

1982 ◽  
Vol 53 (4) ◽  
pp. 3019-3023 ◽  
Author(s):  
S. N. G. Chu
Keyword(s):  
Thin Film ◽  
Screw Dislocation ◽  
Two Phase

Threading Screw Dislocations in a Two-Phase Plate and a Two-Phase Sphere

2018 ◽  
Vol 55 (1) ◽  
pp. 102-116 ◽  
Author(s):  
A.L. Kolesnikova ◽  
M.Yu. Gutkin ◽  
A.E. Romanov
Keyword(s):  
Screw Dislocation ◽  
Hollow Sphere ◽  
Phase Plate ◽  
Stress Distributions ◽  
Two Phase ◽  
Parallel Edge ◽  
Free Surfaces ◽  
Shear Moduli ◽  
Elastic Fields ◽  
First Time

Abstract A screw dislocation perpendicular to free surfaces and an interface in a two-phase plate, and a screw dislocation piercing a two-phase hollow sphere are considered. The analytical solutions of the boundary-value problems have been found for the first time with the help of the virtual defects technique. Elastic fields of the screw dislocation in the plate are presented in the form of integrals with Bessel functions. Elastic fields of the screw dislocation in the hollow sphere have the form of series with Legendre polynomials. Stress distributions in both of the considered geometries are plotted. The influence of the geometric parameters of the considered solids and the ratio of the shear moduli on the stresses is analyzed. The interaction of a screw dislocation with a parallel edge dislocation is discussed.

Screw dislocation near a slant edge crack

1999 ◽  
Vol 31 (1) ◽  
pp. 63-70 ◽  
Author(s):  
Shing-Dar Wang ◽  
Sanboh Lee
Keyword(s):  
Screw Dislocation ◽  
Edge Crack

Stacked screw dislocation arrays in an anisotropic two-phase medium

1973 ◽  
Vol 4 (4) ◽  
pp. 1171-1172 ◽  
Author(s):  
K. Jagannadham ◽  
K. S. Raghavan
Keyword(s):  
Screw Dislocation ◽  
Two Phase ◽  
Dislocation Arrays ◽  
Phase Medium

Screw dislocation near a piezoelectric oblique edge crack

Meccanica ◽  
2015 ◽  
Vol 51 (6) ◽  
pp. 1445-1456 ◽  
Author(s):  
Ming-Ho Shen ◽  
Shih-Yu Hung
Keyword(s):  
Screw Dislocation ◽  
Edge Crack
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