4.6 Article

The formation and stacking faults of Fe and Cr containing Laves phase in Zircaloy-4 alloy

期刊

MATERIALS LETTERS
卷 191, 期 -, 页码 203-205

出版社

ELSEVIER
DOI: 10.1016/j.matlet.2016.12.062

关键词

Nuclear materials; Precipitates; Crystallographic characterization; Orientation relationship; Fe/Cr ratio

资金

  1. National Science Foundation of China [51001091, 111174256, 51571182, 52110774]

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The crystallographic characterization and defect structure of precipitates plays a key role in the properties of Zr alloys. The precipitates in Zircaloy-4 alloy are studied in this work. The Zr-Fe-Cr particles are identified as the dominant precipitates at room temperature with C14 or C15 type Laves structure. The Fe/Cr ratio of C15 type Zr-Fe-Cr phase is slightly lower than that of C14 type phase. The {0001} stacking faults in C14 phase is observed and analyzed for the first time. Some new orientation relationships of C14 and C15 phases with alpha-Zr are identified. (C) 2016 Elsevier B.V. All rights reserved.

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