Core Structure Formation in the Joints Fabricated by Friction Stir Welding of Metals with Polymorphic Transformations

被引：0
作者：
Chularis, A. A. [1 ]
Rzaev, R. A. [2 ]
Zotov, O. G. [3 ]
Zotova, A. O. [3 ]
机构：
[1] Don State Tech Univ, Rostov Na Donu, Russia
[2] Astrakhan State Univ, Astrakhan, Russia
[3] Peter Great St Petersburg Polytech Univ, St Petersburg, Russia
来源：
RUSSIAN METALLURGY | 2019年 / 2019卷 / 13期
关键词：
friction stir welding; weld core; heat-deformation-affected zone; heat-affected zone; recrystallization; superplasticity;
D O I：
10.1134/S003602951913007X
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The microstructures of the weld core, the heat-deformation-affected zone, and the heat-affected zone having formed during the friction stir welding (FSW) of 12Kh18N10T steel and OT4-1 and VT-1 alloys are studied. The weld core of the solid-state FSW welded joints made of the metals and alloys that undergo polymorphic transformations is shown to form under structural superplasticity due to corporative recrystallization processes and phase transformations.
引用
收藏
页码：1471 / 1478
页数：8
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