In-situ Ti Alloying in Al Base Alloy and Grain Refinement

Xie Jingpei  Wang Aiqin  Wang Wenyan  Zhan Chengwei

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In-situ Ti Alloying in Al Base Alloy and Grain Refinement
Issue 6, Pages: 60-62(2004)
Published： 2004 ，
DOI：

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[1]谢敬佩,王爱琴,王文焱,詹成伟,刘忠侠,马润香,李继文,王明星,刘志勇,翁永刚,宋天福.Al基合金原位Ti合金化及自身晶粒细化[J].特种铸造及有色合金,2004(06):60-62+79.

Xie Jingpei Wang Aiqin Wang Wenyan Zhan Chengwei. In-situ Ti Alloying in Al Base Alloy and Grain Refinement. [J]. Special Casting & Nonferrous Alloys (6):60-62(2004)
[1]谢敬佩,王爱琴,王文焱,詹成伟,刘忠侠,马润香,李继文,王明星,刘志勇,翁永刚,宋天福.Al基合金原位Ti合金化及自身晶粒细化[J].特种铸造及有色合金,2004(06):60-62+79. DOI：

Xie Jingpei Wang Aiqin Wang Wenyan Zhan Chengwei. In-situ Ti Alloying in Al Base Alloy and Grain Refinement. [J]. Special Casting & Nonferrous Alloys (6):60-62(2004) DOI：

摘要

利用电解工艺

向氧化铝中掺入数量很少的TiO2 粉

通过电解使阴极Al液含质量分数为 0 .1%～ 0 .3 %的Ti。实现了铝基合金原位钛合金化及自身晶粒细化

获得了等轴的细晶Al锭

晶粒尺寸细化到 13 0 μm。该合金直接用于 60 63变形铝合金

取得了明显的晶粒细化效果

使原来的 4级细化到 1～ 2级。电解加Ti优于熔配加Ti

能使 60 63变形合金产生自身晶粒细化作用。

Abstract

The electrolytic low Ti aluminum alloys containing 0.1%～0.3% Ti can be produced by adding trace TiO 2 powder into Al 2O 3. The aluminum ingot with 130 μm equiaxed grain can be obtained by in-situ Ti alloying in Al base alloy and self-grain refinement. The grain of 6063 wraught Al alloy made of the alloy can be refined from 4 grade to 1～2 grade.