Microstructure and Mechanical Properties of Welds of Al - Mg - Si Alloys After Different Modes of Impulse Friction Stir Welding

被引：16
|
作者：
Kondrat'ev, S. Yu. [1 ]
Morozova, Yu. N. [1 ,2 ]
Golubev, Yu. A. [1 ,2 ]
Hantelmann, C. [2 ]
Naumov, A. A. [1 ]
Mikhailov, V. G. [1 ,2 ]
机构：
[1] St Petersburg Polytech Univ, St Petersburg, Russia
[2] Brandenburg Tech Univ Cottbus, Cottbus, Germany
来源：
METAL SCIENCE AND HEAT TREATMENT | 2018年 / 59卷 / 11-12期
关键词：
impulse friction stir welding; power and frequency of pulses; microstructure; mechanical properties; Al - Mg - Si alloy; ALUMINUM-ALLOYS; OXIDE ARRAY; DRILL PIPES; JOINTS; LINE;
D O I：
10.1007/s11041-018-0213-6
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
Welded joints of aluminum alloy 6082-T6 formed by the method of impulse friction stir welding are studied. The effect of the power and frequency of the pulses on the microstructure and mechanical properties of the welded joints is determined. Application of an additional pulse during the welding affects the surface quality and the shape of the weld, the distribution of the oxide layer and of particles of the hardening phase, and the grain size in the zone of dynamic recrystallization.
引用
收藏
页码：697 / 702
页数：6
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