首页> 外文会议>International Conference on Textures of Materials >Rolling Texture Development in Aluminum-Zinc Solid Solutions
【24h】

Rolling Texture Development in Aluminum-Zinc Solid Solutions

机译:铝合金固体溶液中轧制纹理开发

获取原文

摘要

Rolling textures in face-centered cubic polycrystalline metals tend to transform from so-called pure metal to alloy textures with increasing stacking fault energy, so deformation texture correlates directly to stacking fault energy. As a 30th anniversary tribute to the classic copper-brass study by Hirsch and Lucke [1988], we recast the problem for binary aluminium alloys with 1, 10, 34 and 62wt.%Zn. Zinc (Zn) has a very high solid solubility in Al of up to 65at.% at 381°C, but at lower temperatures the Zn solid solution is unstable and can precipitate out or decompose spinodally. Current understanding is that Zn has no effect on the stacking fault energy of aluminum, so a priori, rolling of different Al-xZn alloys should result in no variation in deformation texture. Cast ingots were solutionized and promptly rolled 75 and 90% by multiple passes. X-ray texture pole figures were measured at the mid-plane of the rolled sheet, and the texture components calculated from the crystallographic orientation distribution function. Results show a decrease in {112}<11-1> and increase in {011}<21-1> with Zn content but uncorrelated changes in {123 }<63-4> components. Bird's eye - like microstmctural features observed in the high Zn containing alloys at 90% reduction were {011}<21-1> and resemble those observed by other researchers in severely rolled brass, Al-4.5Mg and 316L.
机译:在面心立方晶的金属轧制织构倾向于从所谓的纯金属转变成合金纹理随着堆垛层错能,所以变形织构相关因素直接向堆垛层错能。作为30周年赞扬由赫希和乐其[1988]典型的铜 - 黄铜研究中,我们重铸问题二元铝合金有1个,10,34和62wt。%的Zn。锌(Zn)在高达65at。%在381℃,铝非常高的固体溶解性,但在较低温度下的Zn固溶体是不稳定的并能沉淀出来或旋节线分解。目前的理解是,锌对铝的堆垛层错能没有任何影响,所以先验,不同的Al-xZn合金的轧制应导致变形织构没有变化。铸造铸锭固溶,通过多道次轧制及时75和90%。在热轧板的中平面,测定X射线质地极图,和从结晶取向分布函数计算出的纹理分量。结果显示在{112} <11-1>的降低和{011} <21-1>增加与Zn含量但在{123} <63-4>组件不相关的变化。鸟瞰 - 像在减少90%,在高的Zn含有合金观察microstmctural特点是{011} <21-1>和类似于那些由其他研究人员在严重轧制黄铜,铝和为4.5mg 316L观察。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号