Carburizing and quenching, with high surface hardness, good toughness characteristics, the heart of cold plastic deformation of medium, cutting is good.
经渗碳及淬火后，具有表面硬度高、心部韧性好的特点、冷变形塑性中等，切削加工性好。
In the carburizing process, rare earth elements could promote the decomposition and absorption of medium and the diffusion of carbon atom.
在渗碳过程中，稀土元素对介质的分解，吸收和碳原子的扩散都起到了促进作用。
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