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Journal of Materials Science

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09-03-2017 | Original Paper

Row-matching in pyramidal Mg₂Sn precipitates in Mg–Sn–Zn alloys

Authors: Zhang-Zhi Shi, Zhi-Peng Sun, Xin-Fu Gu, Jin-Yu Zhang, Wen-Zheng Zhang

Published in: Journal of Materials Science | Issue 12/2017

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Abstract

Two orientation relationships (ORs) and morphologies with well-defined facets of Mg₂Sn precipitates in a Mg–Sn–Zn alloy were recently reported. However, the irrational angles of these two ORs were described without explanation. This study reveals that a unique matching-row-on-terrace structure exists in a dominant facet corresponding to either of the observed ORs. The calculated ORs, the orientations of three facets associated with each OR and the terrace-ledge structures in the dominant facets all match well with observations. The present method of row-matching analysis is useful for understanding high-index faceted interfaces and their associated irrational ORs.

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Title: Row-matching in pyramidal Mg2Sn precipitates in Mg–Sn–Zn alloys
Authors: Zhang-Zhi Shi
Zhi-Peng Sun
Xin-Fu Gu
Jin-Yu Zhang
Wen-Zheng Zhang
Publication date: 09-03-2017
Publisher: Springer US
Published in: Journal of Materials Science / Issue 12/2017
Print ISSN: 0022-2461
Electronic ISSN: 1573-4803
DOI: https://doi.org/10.1007/s10853-017-0943-7

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