The depth of hardened layer after surface quenching was about 0.

磨 辊 齿经等离子弧表面淬火后硬化层的厚度约为0。

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Compared with the dry-grinding, the surface compress residual stresses of the hardened layer under wet-grinding is increased, but its depth of hardened layer reduces about 30%.

与干磨相比，湿磨硬化层表面残余压应力有所提高，但其硬化层深度减少了约30%。

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This paper demonstrates residual stress of induction quench parts and personal views about stress distribution of flange corner heat treatment, truck half axle material and depth of hardened layer.

论述了感应淬火零件的残余应力形态，并对载货车半轴的材料、硬化层深度及法兰圆角淬火层分布提出了个人见解。

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