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作者:

Liu, Lin-Lin (Liu, Lin-Lin.) | Zheng, Yang (Zheng, Yang.) | Sun, Wei (Sun, Wei.) (学者:孙威)

收录:

EI SCIE

摘要:

In this paper, we reported on the Gd nano-precipitation in a Mg-2.0Gd (at.%) solid solution foil revealed directly by means of the in-situ TEM technique. It had been found that unusual FCC-structured Gd platelets (beta(1)') (Fm (3) over bar m, a = 0.534 nm) can be precipitated in the Mg-Gd matrix at 250 degrees C. As a thermally stable phase, the beta(1)'-platelets were observed to have non-equivalent precipitation orientation with respect to the matrix. Most of the beta(1)'-phases grew along {10 (1) over bar0}(Mg) planes and had an orientation relationship (OR) of <001>(beta 1')//<0001>(Mg), {1 (1) over bar0}(beta 1')//{1 (2) over bar 10}(Mg), while the minority of them grew along {1 (2) over bar 10}(Mg) planes (or {1 (2) over bar 10}(Mg) + 15 degrees deviation) with an OR of <001>(beta 1')//<0001>(Mg), {0 (1) over bar0}(beta 1')//{1 (2) over bar 10}(Mg) (or {0 (1) over bar0}(beta 1')//{1 (2) over bar 10}(Mg) - 10 degrees deviation). (C) 2020 Elsevier B.V. All rights reserved.

关键词:

Electron microscopy Gd precipitation In-situ heating Mg-Gd solid-solution Microstructure

作者机构:

  • [ 1 ] [Liu, Lin-Lin]Beijing Univ Technol, Inst Microstruct & Property Adv Mat, Beijing 100124, Peoples R China
  • [ 2 ] [Zheng, Yang]Beijing Univ Technol, Inst Microstruct & Property Adv Mat, Beijing 100124, Peoples R China
  • [ 3 ] [Sun, Wei]Beijing Univ Technol, Inst Microstruct & Property Adv Mat, Beijing 100124, Peoples R China

通讯作者信息:

  • 孙威

    [Sun, Wei]Beijing Univ Technol, Inst Microstruct & Property Adv Mat, Beijing 100124, Peoples R China

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来源 :

MATERIALS LETTERS

ISSN: 0167-577X

年份: 2020

卷: 276

3 . 0 0 0

JCR@2022

ESI学科: MATERIALS SCIENCE;

ESI高被引阀值:37

JCR分区:2

被引次数:

WoS核心集被引频次: 4

SCOPUS被引频次: 4

ESI高被引论文在榜: 0 展开所有

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