Shearing single crystal magnesium in the close-packed basal plane at different temperatures

Han, M, Li, L and Zhao, G 2018, 'Shearing single crystal magnesium in the close-packed basal plane at different temperatures', Physica B: Condensed Matter, vol. 537, pp. 162-166.


Document type: Journal Article
Collection: Journal Articles

Title Shearing single crystal magnesium in the close-packed basal plane at different temperatures
Author(s) Han, M
Li, L
Zhao, G
Year 2018
Journal name Physica B: Condensed Matter
Volume number 537
Start page 162
End page 166
Total pages 5
Publisher Elsevier
Abstract Shear behaviors of single crystal magnesium (Mg) in close-packed (0001) basal plane along the [1¯21¯0], [12¯10], [101¯0] and [1¯010] directions were studied using molecular dynamics simulations via EAM potential. The results show that both shear stress-strain curves along the four directions and the motion path of free atoms during shearing behave periodic characteristics. It reveals that the periodic shear displacement is inherently related to the crystallographic orientation in single crystal Mg. Moreover, different temperatures in a range from 10 to 750 K were considered, demonstrating that shear modulus decreases with increasing temperatures. The results agree well with the MTS model. It is manifested that the modulus is independent with the shear direction and the size of the atomic model. This work also demonstrates that the classical description of shear modulus is still effective at the nanoscale. © 2018 Elsevier B.V.
Subject Macromolecular and Materials Chemistry not elsewhere classified
Condensed Matter Physics not elsewhere classified
Quantum Physics not elsewhere classified
Keyword(s) Crystallographic orientation
Molecular dynamics simulation
Shear behaviors
Single crystal Mg
DOI - identifier 10.1016/j.physb.2018.02.027
Copyright notice © 2018 Elsevier B.V. All rights reserved.
ISSN 0921-4526
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