Investigation on the Effect of Tool Pin Profiles on Mechanical and Microstructural Properties of Friction Stir Butt and Scarf Welded Aluminium Alloy 6063

被引：39

作者：

Goel, Pankul ^{[1
]}

Siddiquee, Arshad Noor ^{[2
]}

Khan, Noor Zaman ^{[2
]}

Hussain, Mohd Azmal ^{[3
]}

Khan, Zahid A. ^{[2
]}

Abidi, Mustufa Haider ^{[4
]}

Al-Ahmari, Abdulrahman ^{[4
]}

机构：

[1] IMS Engn Coll, Dept Mech Engn, Natl Highway 24, Ghaziabad 201009, India

[2] Jamia Millia Islamia, Dept Mech Engn, New Delhi 110025, India

[3] Noida Inst Engn & Technol, Dept Mech Engn, Greater Noida 201306, Uttar Pradesh, India

[4] King Saud Univ, Adv Mfg Inst, Princess Fatima Alnijriss Res Chair Adv Mfg Techn, Riyadh 11421, Saudi Arabia

来源：

METALS | 2018年 / 8卷 / 01期

关键词：

friction stir welding; scarf joint; butt joint; tool pin profiles; mechanical properties; microstructure; metallurgy; DEFECT FORMATION; RESIDUAL-STRESS; SHOULDER DIAMETER; PARAMETERS; JOINTS; ZONE; PRECIPITATION; EVOLUTION; HARDNESS; PLATE;

D O I：

10.3390/met8010074

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In the present study, friction stir welding (FSW) of butt and scarf joints of Al 6063-T6 were investigated. Five different tool pin profiles (cylindrical, tapered cylindrical, square, triangular, and hexagonal) were applied for performing welding. Scarf joint, being a new joint configuration, was used and effect of pin profiles was investigated on this type of joint configuration. The effect of pin profiles on microstructure, micro-hardness, impact and tensile properties of friction stir welded Al 6063-T6 was investigated. Scanning electron and optical microscopy were employed to characterize the different zones of welded joints. A thorough discussion on correlation between mechanical properties and microstructure has been made. In addition, the formation of various defects during the FSW was discussed with the help of fractography of the fractured surfaces.

引用

页数：15

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