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The Effect of the Heat Treatment Conditions on the Strength and Microstructure in the Bonded Interface in Dissimilar Metal and Aluminum Alloy  

Kim, Ick-Soo (School of Adv. Mate. Eng., Automobile Hi-Technology Res. Center, Chonbuk National Univ.)
Choi, Byung-Young (School of Adv. Mate. Eng., Automobile Hi-Technology Res. Center, Chonbuk National Univ.)
Kang, Chang-Yong (Div. of Mat. Sci. and Eng., Pukyong National Univ.)
Publication Information
Journal of the Korean Society for Heat Treatment / v.16, no.1, 2003 , pp. 2-9 More about this Journal
Abstract
The aluminum alloy which is light and has excellent thermal conductivity and iron base alloy that is remarkable heat-resistece and wear resistence properties were bonded together. The bond was created between a stationary and a rotating member by using the frictional heat generated between them while subjected to high normal forces on the interface of Al alloy and iron base alloy. The microstructure of the bonded interface of friction welding and the strength in the bonded interface formed under various bonding conditions were examined through TEM, SEM with EDX and triple bending test. In interface of bonding materials formed after various heat treatment, bonding strength was substantially different, resulting from formation of intermetallic compound or softening during annealing.
Keywords
Bonding; Al-Fe; Microstructure; Interface strength; Intermetallic compound; Friction welding; Upset welding;
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