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一种亚共析铀铌合金的凝固特点及显微偏析
陈波; 赵秀娟; 刘奎; 陈世俊; 王震宏
2018-02-15
Source Publication稀有金属材料与工程
Issue02Pages:642-646
Abstract分析了一种亚共析U-Nb合金的凝固过程,获得了该合金的固相线、液相线温度和固-液两相区的残余液相体积。发现凝固末期残余液体不能形成液体网,凝固枝晶很快互相连接,形成一些较大的孤立的液体池。凝固末期这种不能补缩的液体池易形成严重的疏松,理论初步计算合金的显微疏松量约为1.6%。发现合金中铌是严重的负偏析合金元素,凝固中期和凝固末期偏析系数k仅为0.16和0.11,极易在枝晶干偏聚造成枝晶偏析。
description.department中国科学院金属研究所 ; 中国工程物理研究院
Keyword亚共析铀铌合金 凝固 显微偏析
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/79248
Collection中国科学院金属研究所
Corresponding Author陈波
Recommended Citation
GB/T 7714
陈波,赵秀娟,刘奎,等. 一种亚共析铀铌合金的凝固特点及显微偏析[J]. 稀有金属材料与工程,2018(02):642-646.
APA 陈波,赵秀娟,刘奎,陈世俊,&王震宏.(2018).一种亚共析铀铌合金的凝固特点及显微偏析.稀有金属材料与工程(02),642-646.
MLA 陈波,et al."一种亚共析铀铌合金的凝固特点及显微偏析".稀有金属材料与工程 .02(2018):642-646.
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