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Title: Tension-compression-tension tertiary twins in coarse-grained polycrystalline pure magnesium at room temperature

Abstract

Using electron backscatter diffraction, the microstructural features of tension–compression–tension (T–C–T) tertiary twins are studied in coarse-grained pure polycrystalline magnesium subjected to monotonic compression along the extrusion direction in ambient air. T–C–T tertiary twins are developed due to the formation of a compression–tension double twin inside a primary tension twin. All the observed T–C–T twin variants are of TiCjTj type. TiCi+1Ti+1 (or TiCi–1Ti–1) variants are observed more frequently than TiCi+2Ti+2 (or TiCi–2Ti–2) variants. Moreover, the number of tertiary twin lamellae increases with the applied compressive strain.

Authors:
 [1];  [1];  [2]
  1. Univ. of Nevada, Reno, Reno, NV (United States)
  2. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Publication Date:
Research Org.:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1246342
Report Number(s):
LA-UR-14-29016
Journal ID: ISSN 0950-0839
Grant/Contract Number:  
1126582; AC52-06NA25396
Resource Type:
Accepted Manuscript
Journal Name:
Philosophical Magazine Letters
Additional Journal Information:
Journal Volume: 95; Journal Issue: 4; Journal ID: ISSN 0950-0839
Publisher:
Taylor & Francis
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; polycrystalline pure magnesium; tertiary twin

Citation Formats

Yu, Qin, Jiang, Yanyao, and Wang, Jian. Tension-compression-tension tertiary twins in coarse-grained polycrystalline pure magnesium at room temperature. United States: N. p., 2015. Web. doi:10.1080/09500839.2015.1022621.
Yu, Qin, Jiang, Yanyao, & Wang, Jian. Tension-compression-tension tertiary twins in coarse-grained polycrystalline pure magnesium at room temperature. United States. doi:10.1080/09500839.2015.1022621.
Yu, Qin, Jiang, Yanyao, and Wang, Jian. Tue . "Tension-compression-tension tertiary twins in coarse-grained polycrystalline pure magnesium at room temperature". United States. doi:10.1080/09500839.2015.1022621. https://www.osti.gov/servlets/purl/1246342.
@article{osti_1246342,
title = {Tension-compression-tension tertiary twins in coarse-grained polycrystalline pure magnesium at room temperature},
author = {Yu, Qin and Jiang, Yanyao and Wang, Jian},
abstractNote = {Using electron backscatter diffraction, the microstructural features of tension–compression–tension (T–C–T) tertiary twins are studied in coarse-grained pure polycrystalline magnesium subjected to monotonic compression along the extrusion direction in ambient air. T–C–T tertiary twins are developed due to the formation of a compression–tension double twin inside a primary tension twin. All the observed T–C–T twin variants are of TiCjTj type. TiCi+1Ti+1 (or TiCi–1Ti–1) variants are observed more frequently than TiCi+2Ti+2 (or TiCi–2Ti–2) variants. Moreover, the number of tertiary twin lamellae increases with the applied compressive strain.},
doi = {10.1080/09500839.2015.1022621},
journal = {Philosophical Magazine Letters},
number = 4,
volume = 95,
place = {United States},
year = {2015},
month = {4}
}

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