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.

引用

页数：4

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