锆中 1/3 <1-210> 螺位错的一阶锥面滑移
材料科学
2015-08-07 v1
摘要
基于经验原子间势或从头算计算，利用原子模拟研究了密排六方锆中 1/3 <1-210> 螺位错的锥面滑移。广义层错计算揭示了一阶锥面 {10-11} 中存在亚稳层错，其对应于一个基元锥面孪晶。该层错是锆中螺位错亚稳构型的起源，当位错在锥面滑移时，该构型会自发出现。
引用
@article{arxiv.1410.1121,
title = {First order pyramidal slip of 1/3 <1-210> screw dislocations in zirconium},
author = {Nermine Chaari and Emmanuel Clouet and David Rodney},
journal= {arXiv preprint arXiv:1410.1121},
year = {2015}
}
备注
symposium "Multiscale perspectives on plasticity in hcp metals", TMS 2014 annual meeting, Metallurgical and Materials Transactions A (2014)