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研究了等离子淬火技术及其应用．结果表明，等离子表面硬化处理能够获得超细化马氏作组织，并显著提高零件的使用寿命．
Plasma quenching technology and its application were studied. The results show that the plasma surface hardening process can obtain superfine Markov structure, and significantly improve the service life of the parts.