Effect of oxygen in shielding gas of advanced A-TIG (AA-TIG) welding on crystallographic orientation relationship of duplex stainless steel weld

被引：0
|
作者：
Zou, Y. [1 ]
Ueji, R. [1 ]
Fujii, H. [1 ]
机构：
[1] Osaka Univ, Joining & Welding Res Inst, Suita, Osaka 565, Japan
来源：
PROCEEDINGS OF THE 1ST INTERNATIONAL JOINT SYMPOSIUM ON JOINING AND WELDING | 2013年
关键词：
AA-TIG; Duplex stainless steel; Oxide distribution; Microstructure; MARANGONI CONVECTION; ACICULAR FERRITE; SHAPE VARIATIONS; OXIDE FLUXES; ALLOY-STEEL; TRANSFORMATION; AUSTENITE;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The duplex stainless steel, SUS329J4L, was welded using the double-shielded advanced A-TIG (AA-TIG) welding method. The experimental condition was changed by altering the oxygen content in the outer shielding gas, while the inner gas remained pure argon. The effect of oxygen was investigated with respect to the oxide distribution and the orientation relationship between the ferrite and the austenite phases in the fusion zone. The results showed that the orientation relationship as well as the number density of the oxide changed whether there was oxygen in the shielding gas or not.
引用
收藏
页码：517 / 521
页数：5
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