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( ) 。 -题库考试答案搜索网

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( ) 。

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2021-09-01 23:33

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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标签：青书学堂黑龙江省教育学院材料与制作（高起专）

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