On the two-dimensional prismatic platelet in the aged In-microalloyed Mg-Nd alloys

被引：2

作者：

Tian, Y. ^{[1
]}

Wang, J. ^{[1
]}

Huang, Q. Y. ^{[1
]}

Ren, J. X. ^{[1
]}

Sun, B. Z. ^{[1
,2
]}

Liu, L. R. ^{[3
]}

机构：

[1] Northeastern Univ, Sch Mat Sci & Engn, Shenyang 110819, Peoples R China

[2] Northeastern Univ, Sch Mat Sci & Engn, Key Lab Anisotropy & Texture Mat, Minist Educ, Shenyang 110819, Peoples R China

[3] Shenyang Univ Technol, Sch Mat Sci & Engn, Shenyang 110870, Peoples R China

来源：

MATERIALS LETTERS | 2022年 / 311卷

关键词：

Microstructure; Precipitates; Electron microscopy; Prismatic platelet; Two-dimensional planar structure; Magnesium alloy; PRECIPITATE SHAPE;

D O I：

10.1016/j.matlet.2021.131616

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

With an addition of trace indium (In) into Mg-Nd system, the microstructure and precipitates of aged Mg-In-Nd alloys are investigated by high-angle annular dark-field scanning transmission electron microscopy. We confirm that a category of prismatic platelet with a two-dimensional (2D) planar structure and a ternary composition is formed extensively in the microstructure. Although the 2D structure is coherent with alpha-Mg matrix, it is elongated along [11 (2) over bar0](alpha) and shortened along [0001](alpha) owing to the substitution of In and Nd for Mg, which is a result of the stress relaxation.

引用

页数：4

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