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3 不同热处理工艺条件下9CrV钢活塞各区域显微组织的SEM照片
Fig.3 SEM images of microstructure in various positions of 9CrV steel piston under different heat treatment conditions