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Experimental study on improving carburizing and quenching hardness of gear made of 20Cr2Ni4A steel
Zhao Shaofu, Xu Hongxiang, Wang Hongwei, Guo Jingqiang, Li Ziyan, Chen Yan
Heat Treatment of Metals . 2021, (
7
): 120 -125 . DOI: 10.13251/j.issn.0254-6051.2021.07.023