Friction Stir Welding of the AlSi10Mg Aluminum Alloy Produced by Selective Laser Melting

被引：0
|
作者：
Reztsov, R. B. [1 ]
Ovchinnikov, V. V. [1 ]
机构：
[1] Moscow Polytech Univ, Moscow 115280, Russia
来源：
RUSSIAN METALLURGY | 2024年 / 2024卷 / 03期
基金：
俄罗斯科学基金会;
关键词：
<bold>Keywords:</bold> friction stir welding; selective laser melting; porosity; ultimate tensile strength; fracture toughness; bending angle; microstructure; MECHANICAL-PROPERTIES; MICROSTRUCTURE; ANISOTROPY;
D O I：
10.1134/S0036029524700939
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The technological features of friction stir welding of the butt joints of AlSi10Mg alloy powder plates produced by selective laser melting are investigated. The AlSi10Mg alloy plates are grown by selective laser melting at an angle of 90 degrees to a build platform. The ultimate tensile strength of the welded joints of the plates grown by selective laser melting is 274-306 MPa, and the bending angle of the plates is 69 degrees-85 degrees. The fracture of the welded joints occurs along the mixing zone metal. The following two types of porosity are found in the microstructure of the base metal: flattened pores along the boundary of visible melt baths and spherical pores. No porosity is found in the mixing zone metal.
引用
收藏
页码：555 / 560
页数：6
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