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A Study on the Effect that Pin Shape and Welding Speed have an Influence on Mechanical Strength in Friction Stir Welding A16061-T6  

Park, Hee-Sang (충남대학교 BK21 메카트로닉스 사업단)
Lee, Young-Ho (충남대학교 BK21 메카트로닉스 사업단)
Choi, Won-Doo (충남대학교 기계공학과 대학원)
Ko, Jun-Bin (한밭대학교 기계공학부)
Publication Information
Transactions of the Korean Society of Machine Tool Engineers / v.17, no.4, 2008 , pp. 22-28 More about this Journal
Abstract
Friction stir welding(FSW) is an relatively new solid state joining process. A1606l-T6 aluminium alloy has gathered wide acceptance in the fabrication of light weight structures requiring a high strength to weight ratio and good corrosion resistance. This friction stir process(FSP) uses a non-consumable tool to generate frictional heat in the abutting surfaces. The welding parameters such as tool rotational speed, welding speed, etc., and tool pin profile playa major role in deciding FSP zone formation in A16061-T6 aluminium alloy. Tow different tool pin profiles have been used to fabricate the joints. The formation of friction stir processed zone has been analysed macroscopically. Tensile properties of the joints have been evaluated and correlated with the friction stir processed zone formation.
Keywords
Friction stir welding; Al; Clockwise; Counter clockwise;
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