Secondary phases in quasicrystal-reinforced Mg-3.5Zn-0.6Gd Mg alloy

Hua Huang; Yuan Tian; Guangyin Yuan; Chunlin Chen; Zhongchang Wang; Wenjiang Ding; Akihisa Inoue

doi:10.1016/j.matchar.2015.09.005

Secondary phases in quasicrystal-reinforced Mg-3.5Zn-0.6Gd Mg alloy

Hua Huang
, Yuan Tian
, Guangyin Yuan^*
, Chunlin Chen
, Zhongchang Wang
, Wenjiang Ding
, Akihisa Inoue

^*此作品的通讯作者

Shanghai Jiao Tong University
Tohoku University
Tianjin University
King Abdulaziz University

科研成果: 期刊稿件 › 文章 › 同行评审

19 引用（Scopus）

摘要

The secondary phases in quasicrystal-reinforced Mg-Zn-Gd alloys are investigated by transmission electron microscopy. The orientation relationships between the dendritic I-phase and the Mg matrix are identified to be [11 2¯ 0]_Mg ∥[2-fold]_I-phase and (0001)_Mg ∥(5-fold)_I-phase. We also find that the dendritic I-phase is brittle along 2-fold, 5-fold, and 3-fold atomic planes during hot extrusion. Moreover, new orientation relations [1¯ 101]_Mg ∥[mirror 2-fold]_I-phase and (0 1¯ 11)_Mg ∥(5-fold)_I-phase are found between nanoscale I-phase and Mg matrix. The findings have implications for our understanding of excellent mechanical properties of the I-phase-strengthened Mg alloys.

源语言	英语
期刊论文编号	8020
页（从-至）	132-136
页数	5
期刊	Materials Characterization
卷	108
DOI	https://doi.org/10.1016/j.matchar.2015.09.005
出版状态	已出版 - 1 10月 2015
已对外发布	是

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title = "Secondary phases in quasicrystal-reinforced Mg-3.5Zn-0.6Gd Mg alloy",

abstract = "The secondary phases in quasicrystal-reinforced Mg-Zn-Gd alloys are investigated by transmission electron microscopy. The orientation relationships between the dendritic I-phase and the Mg matrix are identified to be [11 2¯ 0]Mg ∥[2-fold]I-phase and (0001)Mg ∥(5-fold)I-phase. We also find that the dendritic I-phase is brittle along 2-fold, 5-fold, and 3-fold atomic planes during hot extrusion. Moreover, new orientation relations [1¯ 101]Mg ∥[mirror 2-fold]I-phase and (0 1¯ 11)Mg ∥(5-fold)I-phase are found between nanoscale I-phase and Mg matrix. The findings have implications for our understanding of excellent mechanical properties of the I-phase-strengthened Mg alloys.",

keywords = "Extrusion, Magnesium alloys, Orientation, Precipitation, Quasicrystal",

author = "Hua Huang and Yuan Tian and Guangyin Yuan and Chunlin Chen and Zhongchang Wang and Wenjiang Ding and Akihisa Inoue",

note = "Publisher Copyright: {\textcopyright} 2015 Elsevier Inc.",

year = "2015",

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day = "1",

doi = "10.1016/j.matchar.2015.09.005",

language = "英语",

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T1 - Secondary phases in quasicrystal-reinforced Mg-3.5Zn-0.6Gd Mg alloy

AU - Huang, Hua

AU - Tian, Yuan

AU - Yuan, Guangyin

AU - Chen, Chunlin

AU - Wang, Zhongchang

AU - Ding, Wenjiang

AU - Inoue, Akihisa

PY - 2015/10/1

Y1 - 2015/10/1

N2 - The secondary phases in quasicrystal-reinforced Mg-Zn-Gd alloys are investigated by transmission electron microscopy. The orientation relationships between the dendritic I-phase and the Mg matrix are identified to be [11 2¯ 0]Mg ∥[2-fold]I-phase and (0001)Mg ∥(5-fold)I-phase. We also find that the dendritic I-phase is brittle along 2-fold, 5-fold, and 3-fold atomic planes during hot extrusion. Moreover, new orientation relations [1¯ 101]Mg ∥[mirror 2-fold]I-phase and (0 1¯ 11)Mg ∥(5-fold)I-phase are found between nanoscale I-phase and Mg matrix. The findings have implications for our understanding of excellent mechanical properties of the I-phase-strengthened Mg alloys.

AB - The secondary phases in quasicrystal-reinforced Mg-Zn-Gd alloys are investigated by transmission electron microscopy. The orientation relationships between the dendritic I-phase and the Mg matrix are identified to be [11 2¯ 0]Mg ∥[2-fold]I-phase and (0001)Mg ∥(5-fold)I-phase. We also find that the dendritic I-phase is brittle along 2-fold, 5-fold, and 3-fold atomic planes during hot extrusion. Moreover, new orientation relations [1¯ 101]Mg ∥[mirror 2-fold]I-phase and (0 1¯ 11)Mg ∥(5-fold)I-phase are found between nanoscale I-phase and Mg matrix. The findings have implications for our understanding of excellent mechanical properties of the I-phase-strengthened Mg alloys.

KW - Extrusion

KW - Magnesium alloys

KW - Orientation

KW - Precipitation

KW - Quasicrystal

UR - https://www.scopus.com/pages/publications/84941772528

U2 - 10.1016/j.matchar.2015.09.005

DO - 10.1016/j.matchar.2015.09.005

M3 - 文章

AN - SCOPUS:84941772528

SN - 1044-5803

VL - 108

SP - 132

EP - 136

JO - Materials Characterization

JF - Materials Characterization

M1 - 8020

ER -

Secondary phases in quasicrystal-reinforced Mg-3.5Zn-0.6Gd Mg alloy

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