The plasma nitriding process, the service condition, the selection of material and the plasma nitriding processing of the large-scale automobile cast iron dies were reviewed and discussed.
对铸铁的离子渗氮技术进行了综合评述，讨论了大型汽车覆盖件模具服役条件、材料选择和铸铁离子渗氮工艺。
Effect of reaction of rare earth to oxygen on catalysis effect in plasma nitriding process catalyzed by rare earth has been studied with X-ray diffractometer and scanning electron microscopy.
利用X射线衍射仪和扫描电镜研究了稀土催渗离子渗氮过程中，稀土与氧之间的作用对催渗效果的影响。
There is the special process for the techniques of plasma nitriding, which includes some complex controlling variables, a high influential artificial factor and so on.
针对等离子体渗氮工艺过程特殊，控制量变化复杂，人为因素影响较大等情况。
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