PDF(5250 KB)
Analysis of crack defects of 20CrMnMo gear blank by ultrasonic flaw detection
SHI Feiyang, CHEN Changhua, DOU Yiheng, CHEN Jiping, QIAN Jianqing
Physics Examination and Testing ›› 2023, Vol. 41 ›› Issue (2) : 53-58.
PDF(5250 KB)
PDF(5250 KB)
Analysis of crack defects of 20CrMnMo gear blank by ultrasonic flaw detection
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