Effects of Na2B4O7 on the elimination of iron from aluminum melt

被引：51
|
作者：
Gao, J. W. [1 ]
Shu, D. [1 ]
Wang, J. [1 ]
Sun, B. D. [1 ]
机构：
[1] Shanghai Jiao Tong Univ, State Key Lab Met Matrix Composites, Shanghai 200030, Peoples R China
来源：
SCRIPTA MATERIALIA | 2007年 / 57卷 / 03期
关键词：
aluminum; iron; thermodynamics; purification;
D O I：
10.1016/j.scriptamat.2007.04.009
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
A new approach for iron removal from commercial aluminum by the addition of Na2B4O7 was studied. The iron composition decreased from 0.33 to 0.18 wt. % after purification. X-ray diffraction analysis of the Sludge indicated that the chemical reaction between B and Fe in the aluminum melt to form Fe2B is the main reason for the reduction in Fe. Thermodynamic calculations also prove the formation of an iron boride phase in the melt. (c) 2007 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：197 / 200
页数：4
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