8.8级螺栓用ML40Cr钢的疲劳性能和裂纹扩展行为
王源晨1,宋竹满1,李瑞2,史文博3,朱艳坤1,张广平1(
)
)
Fatigue Properties and Crack Growth Behavior of ML40Cr Steel for 8.8-grade Bolts
WANG Yuanchen1,SONG Zhuman1,LI Rui2,SHI Wenbo3,ZHU Yankun1,ZHANG Guangping1()
)
图2. ML40Cr初始样品的金相组织
Fig.2. Optical image of microstructure
