Moire fringes in nanoprecipitates in a zirconium alloy

被引：11
|
作者：
Liu, Chengze [1 ,2 ,3 ]
Yuan, Fusen [1 ,2 ]
Han, Fuzhou [1 ,2 ]
Ali, Muhammad [1 ,2 ]
Zhang, Yingdong [1 ,2 ]
Guo, Wenbin [1 ,2 ]
Gu, Hengfei [1 ,4 ]
Li, Geping [1 ]
机构：
[1] Chinese Acad Sci, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Peoples R China
[2] Univ Sci & Technol China, Sch Mat Sci & Engn, 96 JinZhai Rd, Hefei 230026, Anhui, Peoples R China
[3] Xian Rare Met Mat Inst Co Ltd, 96 Weiyang Rd, Xian 710016, Peoples R China
[4] Univ Chinese Acad Sci, 19 Yuquan Rd, Beijing 100049, Peoples R China
来源：
MATERIALS LETTERS | 2020年 / 269卷
关键词：
Crystal structure; Nuclear materials; Phase transformation; Moire fringe; TRANSMISSION ELECTRON-MICROSCOPY; GRAIN-BOUNDARIES;
D O I：
10.1016/j.matlet.2020.127678
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Face-centered cubic (FCC) zirconium phase has been reported in as-cast and deformed zirconium and its alloys in recent years. The present study introduces germanium (Ge) containing FCC-Zr phase in an as-cast zirconium alloy. These precipitates were rod-like shaped and distributed in parallel, with 50300 nm in length and 10-40 nm in width. The orientation relationship between these precipitates and the hexagonal close-packed (HCP) zirconium matrix was determined through TEM: <2<(1)over bar>(1) over bar0>(HCP)parallel to < 110 >(FCC), {0001}(HCP)parallel to{1 (1) over bar1}(FCC). Parallel moire fringes were both observed viewed along [2 (1) over bar(1) over bar0] HCP and [10 (1) over bar0](HCP) zone axis, and how the fringe spacing was related to the crystal plane spacing was discussed. (C) 2020 Elsevier B.V. All rights reserved.
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页数：4
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