Effect of (Ti + V)B2 on the Grain Structure of Al-7Si Alloy

被引：0
|
作者：
Ruan, Qilin [1 ]
Meng, Chuanchao [1 ]
Xie, Zonghua [1 ]
Wu, Jianqiang [1 ]
Peng, Yuchen [1 ]
Tang, Hongqun [1 ,2 ]
Chen, Ping [3 ]
机构：
[1] Guangxi Univ, Sch Resources Environm & Mat, Nanning 530004, Peoples R China
[2] Guangxi Univ, Educ Dept Guangxi Zhuang Autonomous Reg, Key Lab High Performance Struct Mat & Thermo Surfa, Nanning 530004, Peoples R China
[3] Alnan Aluminum Co LTD, Nanning 530200, Peoples R China
来源：
TRANSACTIONS OF THE INDIAN INSTITUTE OF METALS | 2023年 / 76卷 / 10期
基金：
中国国家自然科学基金;
关键词：
Al-7Si alloy; Grain refiner; Heterogeneous nucleation; (Ti + V)B-2; AL-SI ALLOYS; GRAIN-REFINEMENT; MECHANISM; ALUMINUM;
D O I：
10.1007/s12666-023-02954-w
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
A new refiner containing (Ti + V)B-2 phase was prepared in this study. It consists of a special VB2-TiB2 core-shell structure, and the size of most (Ti + V)B-2 granular phase is between 100 and 500 nm. Considering Al-7Si alloy as the research object, the refining ability of Al-Ti-B, Al-V-B, and Al-(Ti + V)-B was compared under the condition of same content of added B. The grain refiner containing (Ti + V)B-2 can significantly reduce the grain size of Al-7Si. Al-(Ti + V)-B refines the as-cast grain size from 854.6 +/- 28 to 136.93 +/- 2.45 mu m, which is better than the results obtained for Al-Ti-B- and Al-V-B-based refiners.
引用
收藏
页码：2765 / 2771
页数：7
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