周永福,王剑飞
1:仪征双环活塞环有限公司
2:仪征六方金属渗浸陶瓷有限公司
摘要：利用低温( <300℃)等离子化学气相沉积技术 ,在活塞环表面生成一层双向扩散的微晶体与网状结构并存的氮化硼—氮化硅金属复合陶瓷层 ,提高环的表面硬度、耐磨性 ,降低摩擦系数。在镀铬环表面生成复合陶瓷层后 ,常温下导热系数可提高 42 % ,并随温度升高呈指数规律上升 ,从而减少环的工作温度 ,减少形变 ,提高气密性 ,改善发动机整体性能。使用渗浸陶瓷活塞环 ,发动机可高效节油 ,提高使用寿命 ,改善尾气排放。
关键词： 活塞环;;P-CVD技术;;渗浸陶瓷;;双向扩散
Abstract: By adopting low temperature(<300℃)plasma
P-CVD technology,form a BN-SIN metal compound ceramics layer with two-way
spreading micro-crystal and web structure on piston ring surface;improve ring
surface hardness and wear resistance,lower friction factor.After forming the
ceramics layer on chrome piston ring surface,heat conduction factor improves by
42% in normal temperature and rising exponentially,thus lowers ring working
temperature,decreases distortion,improves air-proof and as a result improves
the overall performance of the engine.Ceramics P-CVD piston ring can save fuel
oil efficiently,prolong service life and lower engine emission.
Keywords: Piston Ring; P-CVD Technology;
Ceramics; Two-way Spreading
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