齿轮钢20CrNiMo轧材表面裂纹缺陷原因分析

林鹏，张洪才，刘影，许正周

Cause analysis of surface crack defects of gear steel 20CrNiMo rolled product

LIN Peng，ZHANG Hong-cai，LIU Ying，XU Zheng-zhou

物理测试 . 2020, (2): 40 . DOI: 10.13228/j.boyuan.issn1001-0777.20190084