1Cr11Ni2W2MoV不銹鋼滲氮表面磨削后點狀剝落問題研究

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摘要：1Cr11Ni2W2MoV不銹鋼的零件滲氮處理后，零件滲氮表面磨削后發(fā)現(xiàn)滲氮面存在點狀剝落現(xiàn)象。通過研究氮化物剝落形貌及分布、滲氮層金相組織及硬度，探討了滲氮層磨削后出現(xiàn)點狀剝落的原因，并提出了解決該問題的工藝解決措施。

關(guān)鍵詞：滲氮；點狀剝落；裂紋

Research on the problem of point-like peeling on the nitride surface of 1Cr11Ni2W2MoV material after grinding

JIANG Zhenyan， XIE Shan， ZHANG Shijia， HUANG Wendong， ZHANG Kejiang

Chengdu Hangli Aviation Technology Co.， Ltd.， Chengdu 611900， Sichuan， China

Abstract： After parts of 1Cr11Ni2W2MoV stainless steel were nitrided， point-like peeling was found on the nitrided surface after grinding. This paper studied the morphology and distribution of point-like peeling， the microstructure and hardness of the nitrided layer， and explored the reasons for the point-like peeling after grinding the nitrided layer. It also proposed a solution to the problem.

Keywords： nitride; spotting debris; crack

1 序言

滲氮是將N原子在高溫下滲入零件表面，以獲得高氮表層的化學(xué)熱處理工藝。（剩余4238字）