Effects of Manufacturing Process on the Mechanical Properties of 7050-Aluminum Bolts
Masaki WATANABE,
Shinya MATSUDA,
Hiroaki MATSUMOTO
Abstract:Aluminum bolts used for fastening aluminum structural members must have high resistance to stress corrosion cracking (SCC) leading to thread damage while maintaining high 0.2 % proof stress. Generally, the bolts of 7050aluminum alloy are manufactured in the order of Ⅰ: machining, Ⅱ: rolling, Ⅲ: solution heat treatment, and Ⅳ: aging treatment, which was labeled No.1 in this study. This paper presented the effects of manufacturing process order on the mechanical properties and the SCC damage morphologies with th… Show more
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