Influences of Solution Treatment Processes on Performance of 6xxx Series Al Alloy Plate
Influences of solution treatment processes on pre-aging and performance of 6xxx series Al alloys for automotive body sheets were studied.The mechanical properties of materials were measured by universal tester.Through metallographic microscopes,the metallographic formation and dendrite growth of materials were analyzed.The results show:at 560 ℃ solution temperature,soaking time increases fiom 40s to 100s;yield strength and elongation of sample before baking or strength after the baking samples increase substantially;with holding soaking time,yield strength of sample before baking tends basically to steady,the elongation decreases,strength after the baking samples rises continuely.The sample solution at560 ℃ for 100 s has the best comprehensive performance.
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维普
