The Effects of Annealing Parameters on Earing for Aluminum Alloy

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Yekarum
Volume:2 Issue:3
The Effects of Annealing Parameters on Earing for Aluminum Alloy

The Effects of Annealing Parameters on Earing for Aluminum Alloy

Authors : Kamil DELİKANLI

Pages : 0-0

View : 15 | Download : 9

Publication Date : 2014-12-03

Article Type : Research Paper

Abstract :The aim of this study is to investigate the effect of annealing parameters on the earing problem in deep drawing of AA 1060 alloy. It is also objected to minimize the percent earing by changing annealing parameters. In experiments, AA 1060 aluminum sheets with 1,5 mm thickness were annealed at different conditions as follow: temperatures were changed from 225oC to 400oC at 10 different points, annealing time were changed from 0 to 60 minutes at 5 different periods. Then heat-treated specimens were tested at Zwick tensile test machine. From test results, percent earing values were determined. After comparing all test results each other, it was seen that the percent earing was determined as 8,49 for untreated AA 1060 alloy but the percent earing was found as 3,62 for specimens which were annealed at optimum treating parameters as 300oC temperature and 30 minutes time. An obvious reduction was determined in percent earing. Finally, it was determined in this study that earing-anisotropy ratio relationship given by some researchers for different aluminum alloys in invalid for AA 1060.
Keywords : AA 1060, Annealing, Earing

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