A New Al-Zr-Ti Master Alloy for Ultrasonic Grain Refinement of Wrought and Foundry Aluminum Alloys

被引：22
|
作者：
Sreekumar, V. M. [1 ]
Eskin, D. G. [1 ,2 ]
机构：
[1] Brunel Univ London, BCAST, Uxbridge UB8 3PH, Middx, England
[2] Tomsk State Univ, Tomsk 634050, Russia
来源：
JOM | 2016年 / 68卷 / 12期
关键词：
MECHANISM;
D O I：
10.1007/s11837-016-2120-x
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A new grain refiner master alloy based on the Al-Zr-Ti system was prepared by salt-assisted synthesis. Of the Al3Zr particles in the master alloy, 90% were ranged between 1 mu m and 13 mu m. An 80% reduction in the grain size was observed with the addition of an equivalent 0.2 wt.% Zr master alloy combined with ultrasonic treatment in an Al alloy. The new master alloy demonstrated a 30% improvement in grain refinement efficiency as compared to the master alloy prepared from conventional binary master alloys.
引用
收藏
页码：3088 / 3093
页数：6
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