冷变形N18合金再结晶过程中的织构演变

doi:10.13251/j.issn.0254-6051.2021.05.006

金属热处理 ›› 2021, Vol. 46 ›› Issue (5): 38-46.DOI: 10.13251/j.issn.0254-6051.2021.05.006

冷变形N18合金再结晶过程中的织构演变

吴婧¹, 陈静^2,3, 蒋亦岚², 戴训¹, 张瑞谦¹, 刘会群²

1.中国核动力研究设计院, 四川成都 610213;
2.中南大学材料科学与工程学院, 湖南长沙 410083;
3.安徽工程大学材料科学与工程学院, 安徽芜湖 241000

收稿日期:2020-10-20 出版日期:2021-05-25 发布日期:2021-07-21
通讯作者: 陈静,讲师,博士,E-mail:cj1037293390@163.com
作者简介:吴婧(1988—),女,助理研究员,硕士,主要研究方向为金属材料检测,E-mail:13678177304@163.com。
基金资助:
国家自然科学基金联合基金(U1867201)

Texture evolution of cold-rolled N18 alloy during recrystallization

Wu Jing¹, Chen Jing^2,3, Jiang Yilan², Dai Xun¹, Zhang Ruiqian¹, Liu Huiqun²

1. Nuclear Power Institute of China, Chengdu Sichuan 610213, China;
2. School of Materials Science and Engineering, Central South University, Changsha Hunan 410083, China;
3. School of Materials Science and Engineering, Anhui Polytechnic University, Wuhu Anhui 241000, China

Received:2020-10-20 Online:2021-05-25 Published:2021-07-21

摘要/Abstract

摘要： 采用电子背散射衍射技术(EBSD),对30%冷轧变形量的N18锆合金在530 ℃再结晶退火过程中轧面(RD-TD)和切面(RD-ND)的显微组织和织构进行了表征和分析。对于轧面,初始晶粒取向是<0001>//ND,再结晶晶粒取向主要是<0001>//ND和<1210>//RD;对于切面,初始晶粒取向主要是<1010>//RD和<1210>//RD,再结晶退火后形成<1010>//ND和<1210>//ND,以及<0001>方向分布在TD极点±85°三种不同取向的晶粒;轧面上的晶粒尺寸大于切面上的晶粒尺寸,为锆合金的再加工提供了理论支撑。

关键词: N18合金, 再结晶, 织构演变

Abstract: Microstructure and texture of the rolled plane(RD-TD) and cut plane(RD-ND) of 30% cold-rolled N18 alloy annealed at 530 ℃ for different time were characterized and analyzed by means of EBSD. For RD-TD plane, the initial grain orientation is <0001>//ND, the orientations of recrystallized grains are <0001>//ND and <1210>//RD texture. For the RD-ND plane, the initial grain orientation is mainly <1010>// RD and <1210>//RD. After recrystallization annealing, three different orientations of<1010>//ND, <1210>//ND and <0001> tilted to TD pole ±85° are formed. The grain size on the RD-TD plane is larger than that on the RD-ND plane, which provides theoretical support for the reprocessing of Zr alloy.

Key words: N18 alloy, recrystallization, texture evolution

中图分类号:

TG166.7

吴婧, 陈静, 蒋亦岚, 戴训, 张瑞谦, 刘会群. 冷变形N18合金再结晶过程中的织构演变[J]. 金属热处理, 2021, 46(5): 38-46.

Wu Jing, Chen Jing, Jiang Yilan, Dai Xun, Zhang Ruiqian, Liu Huiqun. Texture evolution of cold-rolled N18 alloy during recrystallization[J]. Heat Treatment of Metals, 2021, 46(5): 38-46.

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冷变形N18合金再结晶过程中的织构演变

Texture evolution of cold-rolled N18 alloy during recrystallization

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