Effect of Taper Pin Ratio on AA7075 Aluminium Alloy Friction Stir Welding

This study focuses on the effect of pin taper tool ratio on friction stir welding of aluminum AA7075. Two pieces of AA7075 alloy with thickness of 6 mm were friction stir welded by using conventional milling machine. The shoulder diameter used in this experiment is fixed at 18mm. The taper pin ra...

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Main Authors: Nurul Hidayah, Othman, Norsyahfiana, Abdul Razak, L. H., Shah, M., Ishak
Format: Article
Language:English
Published: Trans Tech Publications, Switzerland 2016
Subjects:
Online Access:http://umpir.ump.edu.my/id/eprint/14359/1/fkm-2016-hidayah-Effect%20of%20Taper%20Pin%20Ratio%20on%20AA7075.pdf
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author Nurul Hidayah, Othman
Norsyahfiana, Abdul Razak
L. H., Shah
M., Ishak
author_facet Nurul Hidayah, Othman
Norsyahfiana, Abdul Razak
L. H., Shah
M., Ishak
author_sort Nurul Hidayah, Othman
collection UMP
description This study focuses on the effect of pin taper tool ratio on friction stir welding of aluminum AA7075. Two pieces of AA7075 alloy with thickness of 6 mm were friction stir welded by using conventional milling machine. The shoulder diameter used in this experiment is fixed at 18mm. The taper pin ratio used are varied at 6:6, 6:5, 6:4, 6:3, 6:2 and 6:1. The rotational speeds that were used in this study were 1000 rpm, 1200 rpm and 1400 rpm, respectively. The welding speeds used are 60 mm/min, 80 mm/min and 100 mm/min. Microstructure observation of welded area was studied by using optical microscope. To evaluate the mechanical properties of this specimen, tensile test was used in this study. Welded specimens using taper pin ratio 6:2 shows higher tensile strength compared to other taper pin ratio up to 197 MPa. Moreover, specimens using taper pin ratio 6:1 showed better tensile test compared to the ones using taper pin ratio above 6:3. The optimum parameters were found to be taper pin ratio 6:2 with 1000 rpm of rotational speed and 60mm/min welding speed
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spelling UMPir143592016-09-21T04:23:34Z http://umpir.ump.edu.my/id/eprint/14359/ Effect of Taper Pin Ratio on AA7075 Aluminium Alloy Friction Stir Welding Nurul Hidayah, Othman Norsyahfiana, Abdul Razak L. H., Shah M., Ishak TJ Mechanical engineering and machinery This study focuses on the effect of pin taper tool ratio on friction stir welding of aluminum AA7075. Two pieces of AA7075 alloy with thickness of 6 mm were friction stir welded by using conventional milling machine. The shoulder diameter used in this experiment is fixed at 18mm. The taper pin ratio used are varied at 6:6, 6:5, 6:4, 6:3, 6:2 and 6:1. The rotational speeds that were used in this study were 1000 rpm, 1200 rpm and 1400 rpm, respectively. The welding speeds used are 60 mm/min, 80 mm/min and 100 mm/min. Microstructure observation of welded area was studied by using optical microscope. To evaluate the mechanical properties of this specimen, tensile test was used in this study. Welded specimens using taper pin ratio 6:2 shows higher tensile strength compared to other taper pin ratio up to 197 MPa. Moreover, specimens using taper pin ratio 6:1 showed better tensile test compared to the ones using taper pin ratio above 6:3. The optimum parameters were found to be taper pin ratio 6:2 with 1000 rpm of rotational speed and 60mm/min welding speed Trans Tech Publications, Switzerland 2016 Article PeerReviewed application/pdf en http://umpir.ump.edu.my/id/eprint/14359/1/fkm-2016-hidayah-Effect%20of%20Taper%20Pin%20Ratio%20on%20AA7075.pdf Nurul Hidayah, Othman and Norsyahfiana, Abdul Razak and L. H., Shah and M., Ishak (2016) Effect of Taper Pin Ratio on AA7075 Aluminium Alloy Friction Stir Welding. Key Engineering Materials, 701. pp. 154-158. ISSN 1013-9826 (print); 1662-9795 (online). (Published) http://www.scientific.net/KEM.701.154 DOI: 10.4028/www.scientific.net/KEM.701.154
spellingShingle TJ Mechanical engineering and machinery
Nurul Hidayah, Othman
Norsyahfiana, Abdul Razak
L. H., Shah
M., Ishak
Effect of Taper Pin Ratio on AA7075 Aluminium Alloy Friction Stir Welding
title Effect of Taper Pin Ratio on AA7075 Aluminium Alloy Friction Stir Welding
title_full Effect of Taper Pin Ratio on AA7075 Aluminium Alloy Friction Stir Welding
title_fullStr Effect of Taper Pin Ratio on AA7075 Aluminium Alloy Friction Stir Welding
title_full_unstemmed Effect of Taper Pin Ratio on AA7075 Aluminium Alloy Friction Stir Welding
title_short Effect of Taper Pin Ratio on AA7075 Aluminium Alloy Friction Stir Welding
title_sort effect of taper pin ratio on aa7075 aluminium alloy friction stir welding
topic TJ Mechanical engineering and machinery
url http://umpir.ump.edu.my/id/eprint/14359/1/fkm-2016-hidayah-Effect%20of%20Taper%20Pin%20Ratio%20on%20AA7075.pdf
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