The width and depth of the phase transformation hardened zone were measured.
通过灰铸铁激光相变硬化实验，实测了硬化层深度和宽度。
Surface roughness of hardened zone of the ball head pin has been improved on by the use of inert gas …
在感应加热过程中采用惰性气体和改进的工装夹具改善了淬火区的表面粗糙度。
Test results show that deformations in laser hardened gears was negligible to influence gear precision. The microstructure of hardened case consists of a hardened zone…
检测结果表明：齿轮激光淬火变形很小，不影响齿轮的精度等级。
The experimental result shows that the depth of hardened zone and smoothness of surface can be controlled conveniently by varying the power output beam diameter and scanning rate of laser light.
试验表明：通过调节激光器的输出功率、光斑直径和扫描速度可以方便地控制熔化层深度和表面平整度。
The material in the large plastic zone has been hardened .
在大塑性区内材料已经硬化。
It is found that the structure of the hardened phase in melting and transformation zone is very tiny, the martensite appears to be tiny acicular and possesses twin substructure.
熔化区和固态相变区硬化相组织极为细小，马氏体呈微细针状，具有孪晶亚结构。
It is found that the structure of the hardened phase in melting and transformation zone is very tiny, the martensite appears to be tiny acicular and possesses twin substructure.
熔化区和固态相变区硬化相组织极为细小，马氏体呈微细针状，具有孪晶亚结构。
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