| 冷变形N18合金再结晶过程中的织构演变 |
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| 引用本文： | 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. |
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| 作者姓名： | 吴婧 陈静 蒋亦岚 戴训 张瑞谦 刘会群 |
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| 作者单位： | 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 |
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| 基金项目： | 国家自然科学基金联合基金(U1867201) |
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| 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。
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| 关 键 词： | N18合金 再结晶 织构演变 |
| 收稿时间： | 2020-10-20 |
Texture evolution of cold-rolled N18 alloy during recrystallization |
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| 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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| Authors: | Wu Jing Chen Jing Jiang Yilan Dai Xun Zhang Ruiqian Liu Huiqun |
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| Affiliation: | 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 |
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| 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. |
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| Keywords: | N18 alloy recrystallization texture evolution |
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