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个人信息Personal Information
教授
博士生导师
硕士生导师
性别：男
毕业院校：中国科学院金属研究所
学位：博士
所在单位：材料科学与工程学院
学科：材料物理与化学. 材料学
办公地点：新三束实验室201
联系方式：0411-84706130
电子邮箱：dongxl@dlut.edu.cn
Revisiting Al-Ni-Zr bulk metallic glasses using the 'cluster-resonance' model
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论文类型：期刊论文
发表时间：2011-12-01
发表刊物：CHINESE SCIENCE BULLETIN
收录刊物：Scopus、SCIE
卷号：56
期号：36
页面范围：3902-3907
ISSN号：1001-6538
关键字：bulk metallic glass; glass-forming ability; Al-Ni-Zr; cluster formula
摘要：Six series of alloys, namely, Ni(3)Zr(6)Al (x) , Ni(3)Zr(7)Al (x) , Ni(4)Zr(9)Al (x) , Ni(3)Zr(8)Al (x) , Ni(3)Zr(9)Al (x) and Ni(3)Zr(10)Al (x) (x=1, 1.5, 2, 3) were designed in this work and the bulk metallic glass (BMG) formation of these compositions was investigated by copper mold suction casting. A centimeter-scale BMG sample was obtained for the Ni(4)Zr(9)Al(2) (Al(13.3)Ni(26.7)Zr(60) in atomic percent) composition. The thermal glass parameters for this BMG were determined to be Delta T (x) = 68 K, T (rg) = 0.579, and gamma (m) = 0.689. Using the 'cluster-resonance' model for glass formation an optimal BMG composition was determined using the cluster formula [Ni(3)Zr(9)](Al(2)Ni(1)).