另外研究发现高温回火并不是引起零件表面脱碳的主要原因。

And the higher temperature tempering is not the main reason for the decarburization.

youdao

先确认表面是否存在脱碳现象。

Make sure decarbonization was not found on the surface of the sample.

youdao

先确认表面是否存在脱碳现象。

Make sure decarbonization was not found on the surface of the sample.

youdao