镁对20MnCr5齿轮钢中夹杂物的改质研究
张浩1,刘年富1,胡芳忠2,金国忠2,沈平1,付建勋1
Study on modification of inclusions by Mg in 20MnCr5 gear steel
ZHANG Hao1,LIU Nianfu1,HU Fangzhong2,JIN Guozhong2,SHEN Ping1,FU Jianxun1
钢铁研究学报 . 2021, (8): 775 -783 .  DOI: 10.13228/j.boyuan.issn1001-0963.20210090