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(
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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()
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图5. 疲劳裂纹扩展速率与裂纹尖端应力集中系数之间的关系
Fig.5. Relationship of fatigue crack growth rate and stress intensity factor range at the crack tip
