The micro-arc oxidation of short time is beneficial to preparing compact and no flaw ceramic coating mainly composed of non-crystal phase.

短时间微弧氧化处理有利于制取以非晶相为主的致密无缺陷的耐蚀陶瓷层。

youdao

The results show that the reason of developing cross flaw is some micro-cracks on the local area and high residual stress in the early of chrome-plating of the samples.

结果表明，形成网格状裂纹的原因是，在镀铬前，样品表面局部区域就存在一些微裂纹及较高的残余应力。

youdao