退火工艺对3003铝合金板微观组织与力学性能的影响

doi:10.13251/j.issn.0254-6051.2021.09.015

金属热处理 ›› 2021, Vol. 46 ›› Issue (9): 90-94.DOI: 10.13251/j.issn.0254-6051.2021.09.015

退火工艺对3003铝合金板微观组织与力学性能的影响

李骁, 程晓农, 徐桂芳, 杨成康, 陈乐利

江苏大学材料科学与工程学院, 江苏镇江 212013

收稿日期:2021-03-11 出版日期:2021-09-25 发布日期:2021-12-09
通讯作者: 程晓农,教授,博导,E-mail:Chengxiaonong@hotmail.com
作者简介:李骁(1995—),男,硕士研究生,主要研究方向为铝合金材料,E-mail:852187028@qq.com。
基金资助:
镇江市重大科技专项(ZD2018002)

Effect of annealing process on microstructure and mechanical properties of 3003 aluminum alloy plate

Li Xiao, Cheng Xiaonong, Xu Guifang, Yang Chengkang, Chen Leli

School of Materials Science and Engineering, Jiangsu University, Zhenjiang Jiangsu 212013, China

Received:2021-03-11 Online:2021-09-25 Published:2021-12-09

摘要/Abstract

摘要： 研究了退火工艺对3003铝合金板微观组织与力学性能的影响。试验结果表明,3003铝合金板退火后第二相粒子主要为Al₆(Mn, Fe)、Al₆Mn以及在位错或者亚晶界等缺陷处形成的α-Al(Fe, Mn)Si相。随退火温度升高和保温时间延长,第二相粒子发生粗化,并出现了少量的弥散第二相。当退火温度为450 ℃时,第二相又重新固溶到基体。随退火温度升高,3003铝合金板硬度稳定在31.0 HV0.5 左右,抗拉强度整体上呈下降趋势,伸长率呈增加趋势。

关键词: 3003铝合金板, 退火工艺, 微观组织, 力学性能

Abstract: Effect of annealing process on microstructure and mechanical properties of the 3003 aluminum alloy plate was studied. The results show that the annealed second phase particles is mainly composed of Al₆(Mn, Fe), Al₆Mn and α-Al(Fe, Mn)Si phases formed at defects such as dislocations or subgrain boundaries. With the annealing temperature and holding time increasing, the second phase particles coarsen and grow, and a small number of dispersed second phases appear. When the annealing temperature is 450 ℃, the precipitated phase starts to re-dissolve into the matrix. With the annealing temperature increasing, the hardness is stabilized at about 31.0 HV0.5, and the tensile strength tends to decrease as a whole, while the elongation increases.

Key words: 3003 aluminum alloy plate, annealing process, microstructure, mechanical properties

中图分类号:

TG146.2

李骁, 程晓农, 徐桂芳, 杨成康, 陈乐利. 退火工艺对3003铝合金板微观组织与力学性能的影响[J]. 金属热处理, 2021, 46(9): 90-94.

Li Xiao, Cheng Xiaonong, Xu Guifang, Yang Chengkang, Chen Leli. Effect of annealing process on microstructure and mechanical properties of 3003 aluminum alloy plate[J]. Heat Treatment of Metals, 2021, 46(9): 90-94.

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退火工艺对3003铝合金板微观组织与力学性能的影响

Effect of annealing process on microstructure and mechanical properties of 3003 aluminum alloy plate

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