Evaluation of friction welded bi-material joint strength subjected to impact loads

In the present work the bond strength of two friction welded polymers was investigated when the bi-material specimens were subjected to projectile impact at 86 ms-1. Two transparent polymer rods of Polycarbonate(PC) and Polymethylmethacrylate Acrylic(PMMA) were joined together using rotary fricti...

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Main Authors: Shah, Qasim Hussain, Abdullah, Kassim
Format: Article
Language:English
Published: Trans Tech Publications Ltd., Switzerland 2011
Subjects:
Online Access:http://irep.iium.edu.my/2920/
http://irep.iium.edu.my/2920/1/AMR.264-265.719%5B1%5D.pdf
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author Shah, Qasim Hussain
Abdullah, Kassim
author_facet Shah, Qasim Hussain
Abdullah, Kassim
author_sort Shah, Qasim Hussain
building IIUM Repository
collection Online Access
description In the present work the bond strength of two friction welded polymers was investigated when the bi-material specimens were subjected to projectile impact at 86 ms-1. Two transparent polymer rods of Polycarbonate(PC) and Polymethylmethacrylate Acrylic(PMMA) were joined together using rotary friction welding. Specimens were cut into two different batches. In one batch the central portion of the rod specimens were removed and in the other batch the complete specimens along with their central portion were retained. When the bi-material specimens were subjected to projectile impact the cracks initiated in the comparatively brittle PMMA specimens and were able to propagate across the interface and subsequently into the PC specimen for the first batch of the specimens while the cracks were either arrested at the bi-material interface or the cracks propagated along the interface in the second batch of specimens. From the experimental work it was deduced that the crack propagation along the interface or across the interface could be a good measure of the bond strength difference of a bi-material joined using rotary friction welding process. Weak point of rotary friction welding has also been identified
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spelling iium-29202013-06-27T07:12:40Z http://irep.iium.edu.my/2920/ Evaluation of friction welded bi-material joint strength subjected to impact loads Shah, Qasim Hussain Abdullah, Kassim TJ170 Mechanics applied to machinery. Dynamics In the present work the bond strength of two friction welded polymers was investigated when the bi-material specimens were subjected to projectile impact at 86 ms-1. Two transparent polymer rods of Polycarbonate(PC) and Polymethylmethacrylate Acrylic(PMMA) were joined together using rotary friction welding. Specimens were cut into two different batches. In one batch the central portion of the rod specimens were removed and in the other batch the complete specimens along with their central portion were retained. When the bi-material specimens were subjected to projectile impact the cracks initiated in the comparatively brittle PMMA specimens and were able to propagate across the interface and subsequently into the PC specimen for the first batch of the specimens while the cracks were either arrested at the bi-material interface or the cracks propagated along the interface in the second batch of specimens. From the experimental work it was deduced that the crack propagation along the interface or across the interface could be a good measure of the bond strength difference of a bi-material joined using rotary friction welding process. Weak point of rotary friction welding has also been identified Trans Tech Publications Ltd., Switzerland 2011-06-30 Article PeerReviewed application/pdf en cc_by_nc http://irep.iium.edu.my/2920/1/AMR.264-265.719%5B1%5D.pdf Shah, Qasim Hussain and Abdullah, Kassim (2011) Evaluation of friction welded bi-material joint strength subjected to impact loads. Advanced Materials Research, 264. pp. 719-725. ISSN 1662-8985 http://www.scientific.net/AMR 10.4028/www.scientific.net/AMR.264-265.719
spellingShingle TJ170 Mechanics applied to machinery. Dynamics
Shah, Qasim Hussain
Abdullah, Kassim
Evaluation of friction welded bi-material joint strength subjected to impact loads
title Evaluation of friction welded bi-material joint strength subjected to impact loads
title_full Evaluation of friction welded bi-material joint strength subjected to impact loads
title_fullStr Evaluation of friction welded bi-material joint strength subjected to impact loads
title_full_unstemmed Evaluation of friction welded bi-material joint strength subjected to impact loads
title_short Evaluation of friction welded bi-material joint strength subjected to impact loads
title_sort evaluation of friction welded bi-material joint strength subjected to impact loads
topic TJ170 Mechanics applied to machinery. Dynamics
url http://irep.iium.edu.my/2920/
http://irep.iium.edu.my/2920/
http://irep.iium.edu.my/2920/
http://irep.iium.edu.my/2920/1/AMR.264-265.719%5B1%5D.pdf