变形过程中含铜钢表面裂纹形成的影响因素
李长荣 ,张磊 ,刘然
Influence factors of cracks formation on surface of copper bearing steel during deformation
LI Chang- rong,,ZHANG Lei,,LIU Ran
中国冶金 . 2017, (12): 32 -35 .  DOI: 10.13228/j.boyuan.issn1006-9356.20170162