A2冷作模具钢中心孔洞缺陷分析
刘振天,周 健,马党参,秋立鹏,刘宝石
Defect analysis of central cavity for A2 cold work die steel
LIU Zhen-tian,ZHOU Jian,MA Dang-shen,QIU Li-peng,LIU Bao-shi
中国钢铁期刊网 . 2015, (3): 49 -53 .  DOI: 10.13228/j.boyuan.issn1001-0777.20140109