热处理对大变形量Zn-1.65Cu-0.15Ti合金的组织和性能的影响

doi:10.11896/cldb.21030294

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Abstract In this work, the medium frequency induction melting furnace was used to prepare a zinc-copper-titanium alloy, and deformed Zn-Cu-Ti alloy was prepared by a hot rolling process. Firstly, the changes of microstructure and tensile properties of alloys with deformation were analyzed. With the increase of deformation, the microstructure becomes less and less obvious, while the direction of rolling becomes more and more clear. The elongation of 96.7% alloy is the highest and can reach 54.7%. Through electrochemical analysis, it is found that the greater the deformation of the alloy, the better the corrosion resistance of the alloy sheet. In addition, the effects of different heat treatment temperature and annealing time on the mechanical properties and electrochemical properties of the alloy were also studied. After heat treatment at 210 ℃, the hardness of the alloy increases from 46HV to 73HV, and the hardness increasing trend is more obvious under heat treatment at 150—180 ℃. High temperature heat treatment is conducive to improve the tensile strength of the alloy. With heat treatment at 240 ℃ for 2 h, the tensile strength and elongation increase 29% and 20% respectively.

Key words： zinc-copper-titanium alloy mechanical property heat treatment microstructure electrochemical performance

Published: Online: 2022-12-09

CLC number:

TU512.2

Fund:National Natural Science Foundation of China(51504111, 51564029), China Postdoctoral Science Foundation(2018M623418) and Technology Innovation Talents Project of Yunnan Province(2019HB111).

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	Articles by authors
	XU Yingzhuo
	WANG Xiukai
	CHANG Linhui
	CHEN Buming
	HUANG Hui
	HE Yapeng
	GUO Zhongcheng

Cite this article:

XU Yingzhuo,WANG Xiukai,CHANG Linhui, et al. Effect of Heat Treatment on Microstructure and Properties of Zn-1.65Cu-0.15Ti with Large Deformation[J]. Materials Reports, 2022, 36(23): 21030294-7.

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http://www.mater-rep.com/EN/10.11896/cldb.21030294 OR http://www.mater-rep.com/EN/Y2022/V36/I23/21030294

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