Twinning and De-twinning via Glide and Climb of Twinning Dislocations along Serrated Coherent Twin Boundaries in Hexagonal-close-packed Metals

J. Wang; L. Liu; C. N. Tomé; S. X. Mao; S. K. Gong

doi:10.1080/21663831.2013.779601

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Twinning and De-twinning via Glide and Climb of Twinning Dislocations along Serrated Coherent Twin Boundaries in Hexagonal-close-packed Metals

Original Reports | 更新时间：2026-08-19

- Twinning and De-twinning via Glide and Climb of Twinning Dislocations along Serrated Coherent Twin Boundaries in Hexagonal-close-packed Metals
- Twinning and De-twinning via Glide and Climb of Twinning Dislocations along Serrated Coherent Twin Boundaries in Hexagonal-close-packed Metals
- 材料研究快报（英文） 2013年1卷第2期页码：81-88
- 作者机构：
  
  1. Materials Science and Technology Division Los Alamos National Laboratory Los Alamos NM
  2. School of Materials Science and Engineering Beihang University Beijing
  3. Department of Mechanical Engineering and Materials Science University of Pittsburgh Pittsburgh PA
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2013.779601
  中图分类号：
- 网络首发：2013-03-15，
  
  纸质出版：2013
- 稿件说明：
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J. Wang, L. Liu, C. N. Tomé, 等. Twinning and De-twinning via Glide and Climb of Twinning Dislocations along Serrated Coherent Twin Boundaries in Hexagonal-close-packed Metals[J]. 材料研究快报（英文）, 2013,1(2):81-88.

J. Wang, L. Liu, C. N. Tomé, et al. Twinning and De-twinning via Glide and Climb of Twinning Dislocations along Serrated Coherent Twin Boundaries in Hexagonal-close-packed Metals[J]. Materials Research Letters, 2013, 1(2): 81-88.
J. Wang, L. Liu, C. N. Tomé, 等. Twinning and De-twinning via Glide and Climb of Twinning Dislocations along Serrated Coherent Twin Boundaries in Hexagonal-close-packed Metals[J]. 材料研究快报（英文）, 2013,1(2):81-88. DOI： 10.1080/21663831.2013.779601.

J. Wang, L. Liu, C. N. Tomé, et al. Twinning and De-twinning via Glide and Climb of Twinning Dislocations along Serrated Coherent Twin Boundaries in Hexagonal-close-packed Metals[J]. Materials Research Letters, 2013, 1(2): 81-88. DOI： 10.1080/21663831.2013.779601.

摘要

Abstract

The (1¯012) twin boundaries experimentally observed in hexagonal-close-packed metals are often serrated rather than fully coherent. These serrated coherent twin boundaries (SCTBs) consist of sequential (1¯012) coherent twin boundaries and parallel basal–prismatic planes serrations (BPPS). We demonstrated that the formation of BPPS is geometrically and energetically preferred in the SCTBs

and an SCTB thus migrates by glide and climb of twinning dislocations

combined with atomic shuffling. Particularly

the climb mechanism

combined with the density and the height of BPPSs in the SCTBs

could be crucial in controlling twinning and de-twinning

and twinning-associated hardening.

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