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4 不同工艺热处理后9CrV钢活塞不同位置的硬度、屈服强度、抗拉强度以及冲击吸收功

Fig.4 Mechanical properties of 9CrV steel piston at different positions with different heat treatment processes: (a) hardness; (b) yield strength; (c) tensile strength; (d) impact absorbed energy