21-4N气阀钢模铸坯组织、夹杂物及碳化物解析
吴强, 朱浩然, 张晓宇, 季灯平, 刘斌, 付建勋
Analysis of microstructure,inclusions and carbide of 21-4N gas valve steel by mold cast billet
WU Qiang, ZHU Haoran, ZHANG Xiaoyu, JI Dengping, LIU Bin, FU Jianxun
冶金分析 . 2023, (11): 12 -21 .  DOI: 10.13228/j.boyuan.issn1000-7571.012142