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Al-Bi合金凝固过程及微合金化元素Sn的影响
黎旺; 孙倩; 江鸿翔; 赵九洲
2019-07-11
Source Publication金属学报
Volume55Issue:07Pages:831-839
Abstract实验研究了Al-Bi合金凝固过程及微合金化元素Sn的影响,发现添加微量Sn能有效改变Al-Bi合金的液-液相变过程、细化富Bi相粒子。Sn对富Bi相的细化效果随着Sn添加量的增加而增强,当添加量≥0.10%(质量分数)时即可达到最佳细化效果。建立了Al-Bi合金凝固过程中组织演变的动力学模型,模拟分析了微合金化元素Sn作用下Al-Bi合金凝固组织形成过程。结果表明,微量Sn可有效降低Al-Bi合金两液相间的界面能,提高富Bi相液滴的形核率,促进Al-Bi合金形成弥散型凝固组织。
KeywordAl-Bi合金 凝固 微合金化 界面能 模拟
MOST Discipline CatalogueTG146.21 ; TG244.3 ; U465
Language中文
WOS SubjectTG146.21 ; TG244.3 ; U465
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/80492
Collection中国科学院金属研究所
Affiliation1.中国科学院金属研究所
2.中国科学技术大学材料科学与工程学院
Recommended Citation
GB/T 7714
黎旺,孙倩,江鸿翔,等. Al-Bi合金凝固过程及微合金化元素Sn的影响[J]. 金属学报,2019,55(07):831-839.
APA 黎旺,孙倩,江鸿翔,&赵九洲.(2019).Al-Bi合金凝固过程及微合金化元素Sn的影响.金属学报,55(07),831-839.
MLA 黎旺,et al."Al-Bi合金凝固过程及微合金化元素Sn的影响".金属学报 55.07(2019):831-839.
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