Mechanical and Microstructural Characterization of AA6061- AA7075 Dissimilar Friction Stir Welding

In this paper, mechanical and microstructural characterizations on dissimilar friction stir welding joints of aluminium alloy AA6061 and AA7075 were conducted. Mechanical property analysis of specimens was conducted using tensile test and Vickers hardness test. Meanwhile, microstructure characteri...

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Main Authors:	L. H., Shah, N. F., Zainal Ariffin, M., Ishak, A. R., Razali
Format:	Conference or Workshop Item
Language:	English English
Published:	2015
Subjects:	TJ Mechanical engineering and machinery
Online Access:	http://umpir.ump.edu.my/id/eprint/10901/ http://umpir.ump.edu.my/id/eprint/10901/1/Mechanical%20and%20Microstructural%20Characterization%20of%20AA6061-%20AA7075%20Dissimilar%20Friction%20Stir%20Welding.pdf http://umpir.ump.edu.my/id/eprint/10901/7/fkm-2015-LH-Mechanical%20and%20Microstructural.pdf

id	ump-10901
recordtype	eprints
spelling	ump-109012018-01-10T02:51:28Z http://umpir.ump.edu.my/id/eprint/10901/ Mechanical and Microstructural Characterization of AA6061- AA7075 Dissimilar Friction Stir Welding L. H., Shah N. F., Zainal Ariffin M., Ishak A. R., Razali TJ Mechanical engineering and machinery In this paper, mechanical and microstructural characterizations on dissimilar friction stir welding joints of aluminium alloy AA6061 and AA7075 were conducted. Mechanical property analysis of specimens was conducted using tensile test and Vickers hardness test. Meanwhile, microstructure characterization of the optimum sample was conducted using optical microscope, scanning electron microscopy (SEM) and energy dispersive X-ray spectroscopy (EDS). Results show that samples exhibit good quality appearance with minor surface defects. Fractured tensile specimens revealed that the failure occurs at the weaker aluminium side (AA6061). The highest tensile strength of 219.6 MPa was achieved using 1000 rpm rotational speed, 110 mm/min travel speed and 3˚ tilt angle. The results from the micro-hardness analysis show that the highest value of 151 HV was obtained from the thermo-mechanically affected zone (TMAZ) of AA7075 matrix. Microstructure analysis on the other hand shows a single vortex lamellar structure in the weld zone, indicating good material mixing. The fracture surface of the samples indicates ductile fracture behaviour initiating from the AA6061 matrix. 2015 Conference or Workshop Item PeerReviewed application/pdf en http://umpir.ump.edu.my/id/eprint/10901/1/Mechanical%20and%20Microstructural%20Characterization%20of%20AA6061-%20AA7075%20Dissimilar%20Friction%20Stir%20Welding.pdf application/pdf en http://umpir.ump.edu.my/id/eprint/10901/7/fkm-2015-LH-Mechanical%20and%20Microstructural.pdf L. H., Shah and N. F., Zainal Ariffin and M., Ishak and A. R., Razali (2015) Mechanical and Microstructural Characterization of AA6061- AA7075 Dissimilar Friction Stir Welding. In: 6th International Conference on Manufacturing Science and Technology, 1-2 Jun 2015 , Bandar Seri Begawan, Brunei. pp. 1-6.. (Unpublished)
repository_type	Digital Repository
institution_category	Local University
institution	Universiti Malaysia Pahang
building	UMP Institutional Repository
collection	Online Access
language	English English
topic	TJ Mechanical engineering and machinery
spellingShingle	TJ Mechanical engineering and machinery L. H., Shah N. F., Zainal Ariffin M., Ishak A. R., Razali Mechanical and Microstructural Characterization of AA6061- AA7075 Dissimilar Friction Stir Welding
description	In this paper, mechanical and microstructural characterizations on dissimilar friction stir welding joints of aluminium alloy AA6061 and AA7075 were conducted. Mechanical property analysis of specimens was conducted using tensile test and Vickers hardness test. Meanwhile, microstructure characterization of the optimum sample was conducted using optical microscope, scanning electron microscopy (SEM) and energy dispersive X-ray spectroscopy (EDS). Results show that samples exhibit good quality appearance with minor surface defects. Fractured tensile specimens revealed that the failure occurs at the weaker aluminium side (AA6061). The highest tensile strength of 219.6 MPa was achieved using 1000 rpm rotational speed, 110 mm/min travel speed and 3˚ tilt angle. The results from the micro-hardness analysis show that the highest value of 151 HV was obtained from the thermo-mechanically affected zone (TMAZ) of AA7075 matrix. Microstructure analysis on the other hand shows a single vortex lamellar structure in the weld zone, indicating good material mixing. The fracture surface of the samples indicates ductile fracture behaviour initiating from the AA6061 matrix.
format	Conference or Workshop Item
author	L. H., Shah N. F., Zainal Ariffin M., Ishak A. R., Razali
author_facet	L. H., Shah N. F., Zainal Ariffin M., Ishak A. R., Razali
author_sort	L. H., Shah
title	Mechanical and Microstructural Characterization of AA6061- AA7075 Dissimilar Friction Stir Welding
title_short	Mechanical and Microstructural Characterization of AA6061- AA7075 Dissimilar Friction Stir Welding
title_full	Mechanical and Microstructural Characterization of AA6061- AA7075 Dissimilar Friction Stir Welding
title_fullStr	Mechanical and Microstructural Characterization of AA6061- AA7075 Dissimilar Friction Stir Welding
title_full_unstemmed	Mechanical and Microstructural Characterization of AA6061- AA7075 Dissimilar Friction Stir Welding
title_sort	mechanical and microstructural characterization of aa6061- aa7075 dissimilar friction stir welding
publishDate	2015
url	http://umpir.ump.edu.my/id/eprint/10901/ http://umpir.ump.edu.my/id/eprint/10901/1/Mechanical%20and%20Microstructural%20Characterization%20of%20AA6061-%20AA7075%20Dissimilar%20Friction%20Stir%20Welding.pdf http://umpir.ump.edu.my/id/eprint/10901/7/fkm-2015-LH-Mechanical%20and%20Microstructural.pdf
first_indexed	2023-09-18T22:11:03Z
last_indexed	2023-09-18T22:11:03Z
_version_	1777415029291745280

Mechanical and Microstructural Characterization of AA6061- AA7075 Dissimilar Friction Stir Welding

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