Enhancement of plastic anisotropy and drastic increase in yield stress of Mg-Li single crystals by Al-addition followed by quenching

Hagihara, Koji; Mori, Keitaro; Nakano, Takayoshi

Scripta Materialia, 2019, 172, 93-97

Number of Access:432（2025-08-21 04:36 Counts）

Identifier to cite or link to this item: https://hdl.handle.net/11094/89813

Link to primary information 

File Format Terms of use Size Views Date.Available Description information
ScriptaMater_172_93 pdf None 1.88 MB 69 2022.12.26  
Creative Commons : Attribution

Item Information

Output File Export EndNote Basic Export Mendeley

Title
Enhancement of plastic anisotropy and drastic increase in yield stress of Mg-Li single crystals by Al-addition followed by quenching
Creator
NRID
1000010346182 1000010346182
researchmap permalink
read0191194 read0191194
Scopus Author ID
7007016278 7007016278
CreatorName
Hagihara, Koji
CreatorName
Mori, Keitaro
NRID
1000030243182 1000030243182
ORCID
0000-0001-8052-1698 0000-0001-8052-1698
researchmap permalink
read0013987 read0013987
Scopus Author ID
7403896013 7403896013
CreatorName
Nakano, Takayoshi
Subject
Dislocation
Mg-alloys
Orientation dependence
Single crystal
Strengthening
Description
Hagihara K., Mori K., Nakano T.. Enhancement of plastic anisotropy and drastic increase in yield stress of Mg-Li single crystals by Al-addition followed by quenching. Scripta Materialia, 172, 93. https://doi.org/10.1016/j.scriptamat.2019.07.012.
Abstract
Strong orientation dependence of yield stress was found in a body-centered cubic (bcc)-structured Mg-Li alloy single crystal by adding 5 at.% of Al combined with rapid quenching, which was negligible in Mg-Li binary single crystals. Furthermore, the addition of 5 at.% of Al combined with rapid quenching caused an extreme increase in yield stress up to ~470 MPa; this compares to ~50 MPa in a Mg-Li binary crystal. Increased valence-electron to atom ratio and development of chemical modulation in the alloy by Al-addition are probable causes of the enhancement of plastic anisotropy and the drastic increase in yield stress, respectively.
Publisher
Acta Materialia Inc.
Source Title
Scripta Materialia
Volume (Issue)
172
Page
93-97
Date of Issued
2019-11-01
Language
English
Handle URL
https://hdl.handle.net/11094/89813
PISSN
13596462
NCID
AA11067905
Relation.isIdenticalTo
DOI (Publisher Version)
https://doi.org/10.1016/j.scriptamat.2019.07.012
Access Rights
open access
CopyRight
This article is licensed under a Creative Commons Attribution 4.0 International License.
oaire:version
Version of Record
Category
学術雑誌論文 Journal Article