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Home»Articles»Evaluation of Bending and Impact Strength Characteristics on Friction Stir Welding of Dissimilar 7075T651 – 6061T651 Butt Joints

JournalCover

Asian Review of Mechanical Engineering (ARME)

Editor Dr. Nukman Bin Yusoff
Print ISSN : 2249 - 6289
Frequency : Half-Yearly

Evaluation of Bending and Impact Strength Characteristics on Friction Stir Welding of Dissimilar 7075T651 – 6061T651 Butt Joints

Author : D.Muruganandam and Sushil Lal Das
Volume 1 No.1 January-June 2012 pp

Abstract

D.Muruganandam 1 and Sushil Lal Das 2
1 Department of Mechnical Engineering, Sathyabama University, Chennai – 600 119, Tamil Nadu, India.
2 Jeppiaar Engineering College, Chennai – 600 119, Tamil Nadu, India.
E-mail: [email protected]
(Recived on 09 December 2011 and accepted on 20 January 2012

Aluminium alloys have gathered wide acceptance in the fabrication of light weight structures requiring a high strength-to weight ratio and good corrosion resistance. Modern structural concepts demand reductions in both the weight as well as the cost of the production and fabrication of materials. Therefore welding processes have proven more attractive, and there is an urgency to study their potential. Compared to the fusion welding processes that are routinely used for joining structural aluminium alloys, Friction Stir Welding (FSW) process is an emerging solid state joining process was invented in 1991 by TWI, in which the material that is being welded does not melt and recast. The major advantage in FSW process is that the maximum temperature reached is less than 80% of the Melting Temperature (TM), i.e., the joint is performed in the solid-state and excessive micro structural degradation of the weld zone is avoided. This process uses a non-consumable tool to generate frictional heat in the abutting surfaces. The welding parameters such as tool rotational speed, welding speed, axial force etc., and tool pin profile play a major role in deciding the joint strength. This paper focus on impact and bending strength evaluation and predicting the process parameters in varying rotational and welding speeds of friction-stir welding for the dissimilar precipitation hardenable aluminium alloys ie., between 6xxx (Al-Mg-Si) and 7xxx (Al-Zn-Mg).

Keywords

Friction Stir Welding, Dissimilar Aluminium Alloys, Impact Strength, Bending Strength, Process Paprameters, Pin Profiles

Full Text:

References

Asian Review of Mechanical Engineering (ARME) is a half-yearly international peer-reviewed journal of Mechancial Engineering. One of the objectives of this journal is to disseminate knowledge on various research issues connected with the topics include, but are not limited to:

Statics and dynamics
Strength of materials and solid mechanics
Instrumentation and measurement
Thermodynamics, heat transfer, energy conversion, and HVAC
Combustion, automotive engines, fuels
Fluid mechanics and fluid dynamics
Mechanism design (including kinematics and dynamics)
Manufacturing engineering, technology, or processes
Hydraulics and pneumatics
Engineering design
Product design
Mechatronics and control theory
Material Engineering
Design engineering, Drafting, Computer-Aided Design (CAD) (including solid modeling), and Computer-Aided Manufacturing (CAM)

D.Muruganandam 1 and Sushil Lal Das 2 1 Department of Mechnical Engineering, Sathyabama University, Chennai - 600 119, Tamil Nadu, India. 2 Jeppiaar Engineering College, Chennai - 600 119, Tamil Nadu, India. E-mail: [email protected] (Recived on 09 December 2011 and accepted on 20 January 2012

Aluminium alloys have gathered wide acceptance in the fabrication of light weight structures requiring a high strength-to weight ratio and good corrosion resistance. Modern structural concepts demand reductions in both the weight as well as the cost of the production and fabrication of materials. Therefore welding processes have proven more attractive, and there is an urgency to study their potential. Compared to the fusion welding processes that are routinely used for joining structural aluminium alloys, Friction Stir Welding (FSW) process is an emerging solid state joining process was invented in 1991 by TWI, in which the material that is being welded does not melt and recast. The major advantage in FSW process is that the maximum temperature reached is less than 80% of the Melting Temperature (TM), i.e., the joint is performed in the solid-state and excessive micro structural degradation of the weld zone is avoided. This process uses a non-consumable tool to generate frictional heat in the abutting surfaces. The welding parameters such as tool rotational speed, welding speed, axial force etc., and tool pin profile play a major role in deciding the joint strength. This paper focus on impact and bending strength evaluation and predicting the process parameters in varying rotational and welding speeds of friction-stir welding for the dissimilar precipitation hardenable aluminium alloys ie., between 6xxx (Al-Mg-Si) and 7xxx (Al-Zn-Mg).

Editor-in-Chief
Dr. Nukman Bin Yusoff
Department Of Mechanical Engineering, University of Malaya, Malaysia
[email protected]
Editorial Advisory Board
Prof.Kevser Dincer
Department of Mechanical Engineering, Selçuk University, Turkey
[email protected]
Dr. Kazi Md. Salim Newaz
Department of Mechanical Engineering, University of Malaya, Malaysia
[email protected]
Prof.H.P.S Abdul Khalil
School of Industrial Technology, Universiti Sains Malaysia, Malaysia
[email protected]
Dr. Ong Hwai Chyuan
Department of Mechanical Engineering, University of Malaya, Malaysia
[email protected]
Prof.Parviz Malekzadeh
Department of Mechanical Engineering, Persian Gulf University, Iran
[email protected]
Dr. Mohd Faizul Bin Mohd Sabri
Department Of Mechanical Engineering, University of Malaya, Malaysia
[email protected]
Dr. Chong Wen Tong
Department Of Mechanical Engineering, University of Malaya, Malaysia
[email protected]
Dr. Mohd Ridha Bin Muhamad
Department of Mechanical Engineering, University of Malaya, Malaysia
[email protected]
Dr. Khoo Shin Yee
Department of Mechanical Engineering, University of Malaya, Malaysia
[email protected]
Dr. Chew Bee Teng
Department of Mechanical Engineering, University of Malaya, Malaysia
[email protected]
Dr. Liew Haw Ling
Department of Mechanical Engineering, University of Malaya, Malaysia
[email protected]

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    Editorial Note

    Editorial Dr. Nukman Bin Yusoff

    Editor-in-Chief
    Dr. Nukman Bin Yusoff
    Department Of Mechanical Engineering, University of Malaya, Malaysia
    [email protected]
    Editorial Advisory Board
    Prof.Kevser Dincer
    Department of Mechanical Engineering, Selçuk University, Turkey
    [email protected]
    Dr. Kazi Md. Salim Newaz
    Department of Mechanical Engineering, University of Malaya, Malaysia
    [email protected]
    Prof.H.P.S Abdul Khalil
    School of Industrial Technology, Universiti Sains Malaysia, Malaysia
    [email protected]
    Dr. Ong Hwai Chyuan
    Department of Mechanical Engineering, University of Malaya, Malaysia
    [email protected]
    Prof.Parviz Malekzadeh
    Department of Mechanical Engineering, Persian Gulf University, Iran
    [email protected]
    Dr. Mohd Faizul Bin Mohd Sabri
    Department Of Mechanical Engineering, University of Malaya, Malaysia
    [email protected]
    Dr. Chong Wen Tong
    Department Of Mechanical Engineering, University of Malaya, Malaysia
    [email protected]
    Dr. Mohd Ridha Bin Muhamad
    Department of Mechanical Engineering, University of Malaya, Malaysia
    [email protected]
    Dr. Khoo Shin Yee
    Department of Mechanical Engineering, University of Malaya, Malaysia
    [email protected]
    Dr. Chew Bee Teng
    Department of Mechanical Engineering, University of Malaya, Malaysia
    [email protected]
    Dr. Liew Haw Ling
    Department of Mechanical Engineering, University of Malaya, Malaysia
    [email protected]

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