Mechanical properties of Al and Mg alloy welds made by friction stir lap welding Yazdanian, Shamzin, Chen, Zhan and Littlefair, Guy 2011, Mechanical properties of Al and Mg alloy welds made by friction stir lap welding, in TMS 2011 : Friction Stir Welding and Processing VI, Minerals, Metals & Materials Society, [San Diego, Calif.], pp. 243-251, doi: 10.1002/9781118062302.ch30. Attached Files Name Description MIMEType Size Downloads Title Mechanical properties of Al and Mg alloy welds made by friction stir lap welding Author(s) Yazdanian, Shamzin Chen, Zhan Littlefair, Guy Conference name Minerals, Metals and Materials Society (TMS) Annual Meeting and Exhibition (140th : 2011 : San Diego, Calif.) Conference location San Diego, Calif. Conference dates 27 Feb.-3 Mar. 2011 Title of proceedings TMS 2011 : Friction Stir Welding and Processing VI Editor(s) Mishra, Rajiv Mahoney, Murray W. Sato, Yutaka Hovanski, Yuri Verma, Ravi Publication date 2011 Conference series Minerals, Metals and Materials Society (TMS) Annual Meeting and Exhibition Start page 243 End page 251 Publisher Minerals, Metals & Materials Society Place of publication [San Diego, Calif.] Keyword(s) hooking softening fracture strength local plasticity Summary The unfavourable effect of hooking or softening, respectively, on fracture strength of joints made using friction stir lap welding (FSLW) is known but the combined effect on the magnitude of strength reduction is not clear. In this study, FSLW experiments using AA6060-T5 and AZ31B-H24 alloys were conducted. For both alloys, rotation speed has a dominant effect on increasing the hook size due to increasing the stir flow volume thus lifting more the original lapping surfaces. In AA6060 welds, FS softening has limited the strength, when hook size approaches zero. Meanwhile hook starts to reduce the strength significantly, when its size reaches a critical value. The maximum strength of AA6060 FSL welds reaches ~ 70% of the base metal UTS when hook size approaches zero. This is in contract to ~30% for AZ31B FSL welds. This can be explained by the local plastic deformation behaviour during lap tensile testing. ISBN 9781118002018 Language eng DOI 10.1002/9781118062302.ch30 Field of Research 091006 Manufacturing Processes and Technologies (excl Textiles) 091099 Manufacturing Engineering not elsewhere classified Socio Economic Objective 861299 Fabricated Metal Products not elsewhere classified HERDC Research category E2.1 Full written paper - non-refereed / Abstract reviewed Copyright notice ©2011, The Minerals, Metals & Materials Society Persistent URL http://hdl.handle.net/10536/DRO/DU:30042278 Document type: Conference Paper Collection: School of Engineering Related Links Link Description Connect to published version (restricted access) Go to link with your DU access privileges     Unless expressly stated otherwise, the copyright for items in DRO is owned by the author, with all rights reserved. Versions Version Filter Type Tue, 14 Feb 2012, 15:28:56 EST Tue, 20 Mar 2012, 09:32:07 EST Tue, 20 Mar 2012, 09:34:18 EST Thu, 16 Aug 2012, 16:29:24 EST Fri, 17 Aug 2012, 09:12:16 EST Sat, 17 Jun 2017, 03:09:09 EST Filtered Full Citation counts:   Cited 0 times in TR Web of Science Cited 2 times in Scopus Search Google Scholar Access Statistics: 116 Abstract Views, 3 File Downloads  -  Detailed Statistics Created: Tue, 14 Feb 2012, 15:28:56 EST

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