Grain refinement behavior of Al-Cu alloys inoculated by various metallic glasses

被引：8
|
作者：
Bai, Zhihao [1 ,2 ]
Qiu, Feng [1 ,2 ,3 ]
Shan, Lianyi [1 ,2 ]
Liu, Yingying [1 ,2 ]
Han, Yue [1 ,2 ]
Jiang, Qichuan [1 ,2 ]
机构：
[1] Jilin Univ, Minist Educ, Key Lab Automobile Mat, Changchun 130025, Jilin Province, Peoples R China
[2] Jilin Univ, Dept Mat Sci & Engn, Changchun 130025, Jilin Province, Peoples R China
[3] Oakland Univ, Dept Mech Engn, Rochester, MI 48309 USA
来源：
MATERIALS CHEMISTRY AND PHYSICS | 2015年 / 168卷
基金：
中国国家自然科学基金;
关键词：
Alloys; Amorphous materials; Nucleation; Solidification; MATRIX COMPOSITES; MECHANICAL-PROPERTIES; NI-LA; MICROSTRUCTURE; LIQUID;
D O I：
10.1016/j.matchemphys.2015.11.003
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The Al Cu alloys inoculated by metallic glasses Ni60Nb25Ti15, Fe79.58B11.16Si9.26 and Zr55Cu30Al10Ni5 were investigated, respectively. The results revealed that alpha-Al grains of the inoculated alloys were obviously refined since the crystallization NiTi, Fe2B, ZrCu(B2) and Zr2Cu from these metallic glasses can act as the heterogeneous nucleation sites. Compared with Zr55Cu30Al10Ni5, Ni60Nb25Ti15 and Fe79.58B11.16Si9.26 metallic glass inoculants have significantly higher effective inoculation time (similar to 30 min). Actually, the effective inoculation time of these metallic glasses inoculants is with a sequence of Ni60Nb25Ti15 > Fe79.58B11.16Si9.26 > Zr55Cu30Al10Ni5, which is mainly because the melt points of Fe2B and NiTi are higher than that of Zr2Cu and ZrCu(B2). (C) 2015 Elsevier B.V. All rights reserved.
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页码：1 / 5
页数：5
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