温度对ZK60镁合金细晶板材成形性能的影响

doi:10.11896/cldb.19010176

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Abstract Effect of temperature on formability of fine-grained ZK60 magnesium alloy sheet was investigated in this paper. The stretch formability and tensile flow anisotropy were examined by tensile test, combined by cupping test and drawing test. The results showed that the anisotropy of mechanical properties of the ZK60 alloy sheet became weaker with increasing temperature and the elongations obtained at 300 ℃ were more than 341%. Higher temperature helps to improve the formability. Both of the maximum Erichsen value (IE=18.7 mm) and the limit drawing ratio (LDR=1.8) were obtained at 250 ℃. The optimum temperature ranges of cupping test and drawing test of the ZK60 fine-grained alloy sheet were 200—250 ℃ and 250—300 ℃, respectively.

Key words： ZK60 magnesium alloy fine-grain anisotropy cupping test hot drawing test

Published: 03 January 2020

CLC number:

TG146.2

About author:: Yi Leireceived his bachelor degree in June 2016 from Hunan University in engineering. From september 2016 to now, he is studying for a master’s degree at Hunan University in engineering, His main research direction is aluminum alloy, magnesium alloy and metal matrix composites;Hongge Yan,Professor of Hunan University, Vice Dean of School of Materials Science and Engineering, mainly engaged in advanced aluminum alloy, magne-sium alloy and its composite materials and other fields of research. He has undertaken a number of national and provincial projects, including National 863 Plan Project, National Natural Science Foundation Project, etc. He has published more than 150 academic papers in academic journals at home and abroad.

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	LEI Yi
	YAN Hongge
	CHEN Jihua
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	SU Bin
	DING Tian
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Cite this article:

LEI Yi,YAN Hongge,CHEN Jihua, et al. Effect of Temperature on Formability of Fine-grained ZK60 Magnesium Alloy Sheet[J]. Materials Reports, 2020, 34(2): 2067-2071.

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http://www.mater-rep.com/EN/10.11896/cldb.19010176 OR http://www.mater-rep.com/EN/Y2020/V34/I2/2067

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