王书明,左玉婷,张智慧,熊柏青,李锡武,闫丽珍

• 1:国标(北京)检验认证有限公司
• 2:北京有色金属研究总院
• 3:有色金属制备加工国家重点实验室

摘要(Abstract)：

采用X射线衍射(XRD)和背散射电子衍射(EBSD)技术分析了6A16铝合金热轧板在430℃退火过程中的织构演变。结果表明：热轧板的织构主要为R/S、Brass和Copper织构，含量分别为23%、15%和8%,热轧板的组织主要由平行轧向的带状组织构成，相邻变形带之间存在尺寸细小的动态再结晶晶粒构成的过渡带，夹杂相附近存在取向随机的动态再结晶晶粒。退火开始时，经过60 s短暂的孕育期，变形带快速发生再结晶，分裂成尺寸更细的再结晶带，同时Brass、Copper和R/S等变形织构迅速减弱，而Cube及CubeND_(20)再结晶织构快速增长。随着退火时间延长，带状组织逐渐模糊，细小的再结晶晶粒合并长大，尺寸增至约200μm,织构以Cube织构为主，含量约24%。

关键词(KeyWords)： 6A16铝合金;热轧板;织构演变;退火

Abstract:

Keywords:

基金项目(Foundation): 国家新材料测试评价平台建设项目(有色金属材料行业)

作者(Author): 王书明,左玉婷,张智慧,熊柏青,李锡武,闫丽珍

DOI: 10.13289/j.issn.1009-6264.2021-0390

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