日本冈山市Teikoku活塞环公司正将离子氮化应用于柴油与汽油发动机活塞的三片式油环的边刃。气体氮化的活塞环环槽磨损是一个常见的问题。利用离子氮化的特性,只对环的边刃的磨损表面而不是对与活塞槽相接触的环体部分进行硬化处理。采用这种工艺可减少环槽的磨 Teikoku Piston Rings, Okayama, Japan, is applying ion nitriding to the edge of the three-piece oil ring of diesel and gasoline engine pistons. Gas Nitriding Piston Ring Groove wear is a common problem. Utilizing the property of ion nitriding, only the worn surface of the edge of the ring rather than the portion of the ring body in contact with the piston groove is hardened. Using this process can reduce ring groove grinding