dislocation crack

in the fifth chapter, the interaction among a screw dislocation, elliptical interfacial crack and inclusion under remote uniform heat flux is researched.

第五章研究压电材料在远端均匀热流场下螺型位错、椭圆界面裂纹与夹杂之间相互作用的问题。

the process of failure mechanism can be described as cleavage propagation of crack after a few dislocation emissions. the crack propagates in step by step manner.

裂尖的微观破坏过程可概括为：发射少量位错后裂纹发生解理破坏，并以阶梯方式向前扩展。

the influence of dislocation shielding effect on crack tip is discussed.

分析了位错对裂纹尖端的屏蔽效应。

in the second chapter, the interaction among a screw dislocation, circular interfacial crack and inclusion is solved based on the electromechanical coupling relation of piezoelectric material.

第二章基于压电材料的机电耦合关系求解螺型位错、圆形界面裂纹与夹杂之间相互作用的问题。

The interaction between piezoelectric screw dislocation and circular crack under remote uniform heat flux was investigated.

研究压电材料在均匀热流作用下螺型位错与圆弧裂纹的相互作用.