冷轧变形和烘烤处理对CTP版铝板基组织和性能的影响

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Abstract The 1060CTP aluminum plates were treated by different rolling systems and two different baking treatments of 220 ℃×10 min and 280 ℃×5 min. The effects of cold deformation and baking treatment on the microstructure, electrolytic corrosion properties and mechanical properties of CTP aluminum plates were studied through the polarization curves, microhardness, tensile property test, SEM and metallographic observation. The experimental results show that the grain size is larger than that of the first pass, and the larger the first sub-pressure, the finer the grain size. The aluminum plates have small and uniform crystal grains, and the corrosion and mechanical properties are better when the first reduction rate is 58.2%. The aluminum plate base is sensitive to the temperature during the baking process, and the high temperature baking treatment makes the strength of the aluminum base decrease sharply, while the elongation increase correspondingly. After baking at 280 ℃×5 min, the dimple size is more uniform, the depth is deeper, so the plasticity is better, and the resistance to printing is higher.

Key words： CTP aluminum plate road pressure reduction 1060 aluminum alloy cold rolling baking

Received: 27 July 2017 Published: 11 July 2019

ZTFLH:

TG146.21

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	JIA Guangze
	HUANG Yuanchun
	LIU Yu
	XIAO Zhengbing

Cite this article:

JIA Guangze,HUANG Yuanchun,LIU Yu, et al. Effects of cold rolling deformation and baking treatment on microstructure and properties of CTP aluminum plate[J]. Materials Science and Engineering of Powder Metallurgy, 2018, 23(1): 54-62.

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http://pmbjb.csu.edu.cn/EN/ OR http://pmbjb.csu.edu.cn/EN/Y2018/V23/I1/54

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