基于组织和结构调控9CrV钢大尺寸活塞性能的优化

王磊, 张博, 张宝燕, 刘杨, 宋秀, 李永胜

Properties Optimization of 9CrV Steel for Large Piston Based on Microstructure and Structure Control

WANG Lei, ZHANG Bo, ZHANG Baoyan, LIU Yang, SONG Xiu, LI Yongsheng

图6 不同热处理工艺9CrV钢距活塞表面不同位置处的珠光体片层间距

Fig.6 Pearlite lamellar spacing (a) and carbide lamellar width (b) of 9CrV steel piston at different positions with different heat treatment processes