第一作者：李阳
通讯作者：李花兵
合写作者：杨皓,姜周华,孙萌,马帅
发表刊物：ISIJ International
期号：11
卷号：62
影响因子：1.6
DOI码：10.2355/isijinternational.ISIJINT-2022-188
所属单位：东北大学冶金学院
教研室：绿色智能特殊钢冶金研究中心
摘要：In this study, 38CrMoAl steel was treated with calcium under the pressure of 2 MPa, and four groups of high aluminum steels with the highest calcium content of 0.01% were obtained. Spinel inclusions with high MgO content, CaO and MgO inclusions with original spinel morphology were found by testing and analyzing the morphology towards composition of inclusions in the high Ca content steel. Combined with thermodynamic calculation, a Ca-Al spinel reaction model was proposed, the solid/liquid phase denaturation mechanism of calcium treated spinel was explored, and the influence of total oxygen content on phase equilibrium in denaturation process was analyzed. At last, it was obtained that the spinel denaturation products is MgO+ Spinel, CaO-Al2O3-MgO and CaO-Al2O3 when the mass fraction of calcium was low; And the spinel denaturation products with high calcium content are MgO+ Spinel, MgO and CaO.
关键字：Ca treatment, 38CrMoAl steel, CaO, inclusions, spinel
论文类型：SCI
备注：无
学科门类：工学
一级学科：冶金工程
页面范围：2276-2285
ISSN号：0915-1559
是否译文：否