渗碳处理，是指为增加钢件表层的含碳量和形成一定的碳浓度梯度，将钢件在渗碳介质中加热并保温使碳原子渗入表层的化学热处理工艺。
misc. carburizing treatment
为了对比，还有一组小试样经过伪渗碳处理。
Another group of small specimens used for com-parison is pseudo-carburized.
过渗碳处理可以有效提升高合金工具钢的表面特性。
The Super carburization process can provide outstanding performance in the surface hardening of high-alloyed steel.
试验结果表明，渗碳处理试样接触疲劳性能优于调质氮化的试样。
Results showed that contact fatigue property of carburized gear samples was better than that of nitrided gear samples.
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