The mechanisms of crack propagation and the surface deformation phenomenon of silver-based contact materials are investigated based on experiments carried out and theoretical analysis in this paper.

本文在大量的实验和理论分析的基础上，研究了银基触头材料表面的形变现象—裂纹的扩展机理。

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The study on crack types and their formation mechanisms of silver based contact materials are carried out according to the various currents and various contact closed forces.

根据不同电流等级及不同触头闭合压力，对银基触头材料裂纹类型及形成机理进行了分析研究。

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