等离子表面淬火硬化层的硬度分布，在某一区域内无明显的硬度梯度，这与常规淬火方法的结果不太一样。
The hardness distribution without obviously declining gradient in one range of the hardened layer produced by plasma quenching is rather different from that by conventional quenching.
硬化层深度是等离子弧表面淬火效果的重要指标之一，而硬化层深度与工艺参数、淬火过程中温度场的变化密切相关。
Hardening depth related to the technical parameters and the quenching temperature field is an important target by plasma surface quenching.
磨 辊 齿经等离子弧表面淬火后硬化层的厚度约为0。
The depth of hardened layer after surface quenching was about 0.
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