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Competing Paths for the Combination of Deformation Twins in Molybdenum under Hydrostatic Pressure via Atomistic Simulations
Y. Zhang; D. J. Yu; H. Wang
2014
Source PublicationChinese Journal of Physics
ISSN0577-9073
Volume52Issue:3Pages:1139-1144
AbstractMolecular dynamics simulations are performed to investigate how deformation twins grow and combine in molybdenum. Both processes are found to be dependent on the external pressure, i.e., their energy barriers decrease with the pressure changing from compression to tension, while twin combination is more sensitive to external pressure. A competition between the two processes is revealed. Under hydrostatic compression, twin growth is favored with a lower energy barrier compared with twin combination, whereas under hydrostatic tension, twin combination is favored. The present result agrees with previous works on twin nucleation and sheds light on the understanding of the deformation behavior in materials, where deformation twins dominate.
description.department[zhang, y. ; yu, d. j.] anshan normal univ, anshan 114005, peoples r china. [wang, h.] chinese acad sci, inst met res, shenyang 110016, peoples r china. ; zhang, y (reprint author), chinese acad sci, inst met res, shenyang 110016, peoples r china. ; haowang@imr.ac.cn
KeywordStacking Faults Bcc Metals Crystals Nucleation Slip
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/73503
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Y. Zhang,D. J. Yu,H. Wang. Competing Paths for the Combination of Deformation Twins in Molybdenum under Hydrostatic Pressure via Atomistic Simulations[J]. Chinese Journal of Physics,2014,52(3):1139-1144.
APA Y. Zhang,D. J. Yu,&H. Wang.(2014).Competing Paths for the Combination of Deformation Twins in Molybdenum under Hydrostatic Pressure via Atomistic Simulations.Chinese Journal of Physics,52(3),1139-1144.
MLA Y. Zhang,et al."Competing Paths for the Combination of Deformation Twins in Molybdenum under Hydrostatic Pressure via Atomistic Simulations".Chinese Journal of Physics 52.3(2014):1139-1144.
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