金属热处理 ›› 2020, Vol. 45 ›› Issue (3): 122-127.DOI: 10.13251/j.issn.0254-6051.2020.03.024

• 工艺研究 • 上一篇    下一篇

冷轧变形量对Al-Mg-Si合金织构的影响

杨正斌1,2, 李艳1, 黄喆辉1, 王红坤1, 项继圣1, 赵鸿金2   

  1. 1. 襄阳航力机电技术发展有限公司, 湖北 襄阳 441000;
    2. 江西理工大学 材料科学与工程学院, 江西 赣州 341000
  • 收稿日期:2019-09-03 出版日期:2020-03-25 发布日期:2020-04-03
  • 通讯作者: 赵鸿金,教授,主要从事材料成形与组织性能控制的研究,E-mail:zhj-zyh@163.com
  • 作者简介:杨正斌(1990—),男,助理工程师,硕士,主要从事材料成形与组织性能控制及热处理方面的研究,E-mail:yzblove0309@163.com。

Effect of cold rolling deformation on texture of Al-Mg-Si aluminum alloy

Yang Zhengbin1,2, Li Yan1, Huang Zhehui1, Wang Hongkun1, Xiang Jisheng1, Zhao Hongjin2   

  1. 1. Xiangyang Hangli Electromechanical Technology Development Co., Ltd., Xiangyang Hubei 441000, China;
    2. School of Materials and Engineering, Jiangxi University of Science and Technology, Ganzhou Jiangxi 341000, China
  • Received:2019-09-03 Online:2020-03-25 Published:2020-04-03

摘要:

利用光学显微镜、扫描电镜分析了不同冷轧变形量对Al-Mg-Si合金显微组织和微观织构的影响。结果表明:随着变形量的增加,再结晶织构Cube{001}<100>会经由Goss{011}<100>逐渐演变为以Copper{112}<111>和S{123}<634>为主要取向的形变织构,而Goss{011}<100>的体积分数表现为先增大后减小的趋势;合金形变带织构主要由强度较高的Copper{112}<111>织构和强度较弱的Cube{001}<100>织构组成;当变形量小于20%时,晶粒主要取向为{001}、{012},变形量大于40%时,{011}、{112}、{123}成为主要的晶粒取向。

关键词: Al-Mg-Si合金, 冷轧, 形变带, 织构, 晶粒取向

Abstract:

The effect of cold rolling deformation on the texture of aluminum alloy was studied by means of optical microscope and SEM. The results show that the recrystallization texture Cube{001}<100> will be replaced by deformation textures Copper{112}<111> and S{123}<634> via Goss{011}<100> with the increase of cold rolling deformation, and these deformation textures will be the main and stable orientations, but the volume fraction of Goss texture tends to increase first and then decrease. The texture of deformation band is mainly composed of Copper{112}<111> texture with high intensity and Cube{001}<100> texture with weak intensity. When the cold rolling deformation is less than 20%, the main grain orientations are {001} and {012}, and when the cold rolling deformation is more than 40%, the main orientations are {011}, {112}, and {123}.

Key words: Al-Mg-Si alloy, cold rolling, deformation band, texture, grain orientation

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