首页/ 题库 / [单选题] A和A-B合金焊合后发生柯肯达尔效应,的答案

 A和A-B合金焊合后发生柯肯达尔效应,测得界面向A试样方向移动,则(  ) 。

单选题
2022-04-02 21:45
A、A组元的扩散速率大于B组元    
B、B组元的扩散速率大于A组元   
C、A、B两组元的扩散速率相同 
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正确答案
A

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