Atomic-Scale Comparison Between  Twin Growth Mechanisms in Magnesium

L. Leclercq; L. Capolungo; D. Rodney

doi:10.1080/21663831.2014.880548

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Atomic-Scale Comparison Between Twin Growth Mechanisms in Magnesium

Original Reports | 更新时间：2026-08-19

- Atomic-Scale Comparison Between Twin Growth Mechanisms in Magnesium
- Materials Research Letters Vol. 2, Issue 3, Pages: 152-159(2014)
- 作者机构：
  
  1. George Woodruff School of Mechanical Engineering Georgia Institute of Technology Lorraine UMI Georgia Tech-CNRS,2958
  2. Laboratoire de Science et Ingénierie des Matériaux et des Procédés Grenoble Institute of Technology CNRS UJF 38402Saint Martin d'Hères France
  3. Institut Lumière Matière Université Lyon 1 CNRS UMR,5306
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2014.880548
  CLC：
- Online First：05 February 2014，
  
  Published：2014
- 稿件说明：
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L. Leclercq, L. Capolungo, D. Rodney. Atomic-Scale Comparison Between Twin Growth Mechanisms in Magnesium[J]. Materials Research Letters, 2014, 2(3): 152-159.
DOI：

L. Leclercq, L. Capolungo, D. Rodney. Atomic-Scale Comparison Between Twin Growth Mechanisms in Magnesium[J]. Materials Research Letters, 2014, 2(3): 152-159. DOI： 10.1080/21663831.2014.880548.

摘要

The two most frequently observed twins in hexagonal close-packed (HCP) Mg

and twins

have surprisingly different properties and morphologies

with twins appearing under higher stresses and being much thinner than twins. By considering the atomic-scale elementary properties of the twin interfaces and their disconnections

we show that (1) the transverse propagation of twins is hindered by the absence of low-energy mobile interfaces

whereas twins benefit from prismatic-basal interfaces and (2) the thickening of twins is slowed by higher energy barriers against both the nucleation and propagation of disconnections along their interfaces.

Abstract

The two most frequently observed twins in hexagonal close-packed (HCP) Mg

and twins

have surprisingly different properties and morphologies

with twins appearing under higher stresses and being much thinner than twins. By considering the atomic-scale elementary properties of the twin interfaces and their disconnections

we show that (1) the transverse propagation of twins is hindered by the absence of low-energy mobile interfaces

关键词

Keywords

references

Wonsiewicz BC. Plasticity of magnesium crystals [dissertation]. Massachusetts Institute of Technology; 1966. (Open in a new window)Google Scholar

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