Effect of welding speed on the mechanical properties of AA6061 Al alloy joined by friction stir welding

被引：6
|
作者：
Rajkumar, S. [1 ]
Mageshkumar, K. [2 ]
Arul, K. [3 ]
Ravi, S. [4 ]
Maridurai, T. [5 ]
Subbiah, Ram [6 ]
机构：
[1] Hawassa Univ, Inst Technol, Fac Mfg, Dept Mech Engn, Awasa, Ethiopia
[2] Vellore Inst Technol, Sch Mech Engn, Vellore 632014, Tamil Nadu, India
[3] Agni Coll Technol, Dept Mech Engn, Chennai, India
[4] Chennai Inst Technol, Dept Mech Engn, Chennai 600069, India
[5] SIMATS, Saveetha Sch Engn, Dept Mech Engn, Chennai 602105, Tamil Nadu, India
[6] Gokaraju Rangaraju Inst Engn & Technol, Dept Mech Engn, Hyderabad 500090, Telangana, India
来源：
MATERIALS TODAY-PROCEEDINGS | 2022年 / 59卷
关键词：
FSW; Aluminium alloy; Mechanical properties; Micro defects; Microstructure; Welding Speed; AA6061; MICROSTRUCTURAL ASPECTS; WELDED-JOINTS; ALUMINUM; PARAMETERS; BEHAVIOR; OPTIMIZATION; GEOMETRY; DEFECTS; FATIGUE;
D O I：
10.1016/j.matpr.2022.01.473
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this study, AA6061 alloys were connected via friction stir welding to a fixed rotation speed with different welding speeds (FSW). The hand tappers in the stirring tool in the welding process were made from a 1900-diameter shoulder and modified M6 x 1 HSS hand taps. The FSW was manufactured with the rotating velocity of 1500 to 30 mm, 50 mm and 60 mm/min. In mechanical and metallographic tests and the mechanical and metallurgical properties of welding specimens, the effects of welding speed were examined in welded joints. The welding speed had a significant impact on the joint's microstructure and mechanical characteristics. The findings showed that the soldering nugget has decreased on average at a higher welding speed. In addition, a high welding speed had negative consequences for the weld nugget's mechanical properties. Copyright (C) 2021 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1544 / 1549
页数：6
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