Two Step and Regression Re-aging Heat Treatment of Al-5.2%Zn-2.3%Mg Alloy Applied in Cigarette Making Machines
Hao Wang, Jianbo Zhan, Zhenhua Yu, Jiang Yu, Yafeng Ji, Tao Wang, Yao Yu, Muyan Li, Danfeng He, Hongkui Zhang, Rongrong Fu, Na Zan, Wei Ding, Liang Cheng, Baoshan Yue, Han Zheng, Zhiqiang Li, Li Gao
Chemical Science International Journal · pp. 1–10 · Published 14 May 2016
10.9734/ACSJ/2016/26486Abstract
Deformation scheme and pre-heat treatment of Al-5.2%Zn-2.3%Mg aluminum alloy is chosen, homogenizing annealing at 415℃ for 1h, cooling to 200℃ in furnace at a cooling rate of less than 30℃/ h and then cooling to room temperature to make Al-5.2%Zn-2.3%Mg aluminum alloy annealed fully. Heat treatment tests of Al-5.2%Zn-2.3%Mg aluminum alloy mainly consisting of rolling and aging were conducted, and the optimum peak aging mechanism is 120℃/20 h. Through comparison of microstructure and mechanical properties with different deformation and aging mechanism, effect of deformation rates and aging mechanism on properties of Al-5.2%Zn-2.3%Mg aluminum alloy was analyzed, and optimum double-peak aging mechanism is 110℃/7h+170℃/16 h. Orthogonal experiments were carried out to analyze mechanical and electrical properties of tested materials before and after deformation, and effect of aging mechanism on Al-5.2%Zn-2.3%Mg Al alloy was analyzed, and the optimum regression aging mechanism is 120℃/20 h+170℃/40 min+120℃/20 h.
Cited by 1
Danielle L. J. Pinheiro, Eloah P. Ávila, Giovanni W. Amarante · ChemistrySelect · 2016
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