研究了有效硬化层分界处的碳含量及显微组织特征。
The carbon contents and microstructure in the boundary of effective hardening layer were also discussed.
在此基础上，并参照国外的有关资料提出了不同模数时的最佳有效硬化层深度值。
On the basis of this, with reference of foreign information, the paper offers optimal effective hardened layer' thicknesses related to different module of gear.
齿轮激光淬火有效硬化层深的取值到目前为止没有统一的标准，这对该项技术的推广应用十分不利。
There is not standard about the available hardened depth of laser quenching gears, which is disadvantage to its application.
齿轮激光淬火有效硬化层深的取值到目前为止没有统一的标准，这对该项技术的推广应用十分不利。
There is not standard about the available hardened depth of laser quenching gears, which is disadvantage to its application.
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