The laser heat treatment process and mechanism on the surface of pistonringgroove were studied.
对活塞环槽表面的激光热处理工艺与机理进行了试验研究。
2
In some application, a narrow groove is cut into the piston above the top ring to serve as a "heat dam" to reduce the amount of heat reaching the top ring.
在一些实际结构中，一条窄槽切入顶端活塞环的上部，其作用是充当“隔热槽”以减少达到顶端活塞环的热量。
3
The ceramic treatment for the first ringgroove of ZL108aluminum alloy piston was conducted with micro-arc oxidation technique.