Nonlinear Elasticity of Borocarbide Superconductor YNi2B2C: A First-Principles Study
First-principles calculations combined with homogeneous deformation methods are used to investigate the second- and third-order elastic constants of YNi2B2C with tetragonal structure. The predicted lattice constants and second-order elastic constants of YNi2B2C agree well with the available data. Th...
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| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
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Wiley
2017-01-01
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| Series: | Advances in Materials Science and Engineering |
| Online Access: | http://dx.doi.org/10.1155/2017/9038151 |
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| author | Lili Liu Cai Chen Dingxing Liu Zhengquan Hu Gang Xu Rui Wang |
| author_facet | Lili Liu Cai Chen Dingxing Liu Zhengquan Hu Gang Xu Rui Wang |
| author_sort | Lili Liu |
| collection | DOAJ |
| description | First-principles calculations combined with homogeneous deformation methods are used to investigate the second- and third-order elastic constants of YNi2B2C with tetragonal structure. The predicted lattice constants and second-order elastic constants of YNi2B2C agree well with the available data. The effective second-order elastic constants are obtained from the second- and third-order elastic constants for YNi2B2C. Based on the effective second-order elastic constants, Pugh’s modulus ratio, Poisson’s ratio, and Vickers hardness of YNi2B2C under high pressure are further investigated. It is shown that the ductility of YNi2B2C increases with increasing pressure. |
| format | Article |
| id | doaj-art-3a255283735945499d2cfe1839bbb974 |
| institution | Kabale University |
| issn | 1687-8434 1687-8442 |
| language | English |
| publishDate | 2017-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Advances in Materials Science and Engineering |
| spelling | doaj-art-3a255283735945499d2cfe1839bbb9742025-02-03T05:54:38ZengWileyAdvances in Materials Science and Engineering1687-84341687-84422017-01-01201710.1155/2017/90381519038151Nonlinear Elasticity of Borocarbide Superconductor YNi2B2C: A First-Principles StudyLili Liu0Cai Chen1Dingxing Liu2Zhengquan Hu3Gang Xu4Rui Wang5Department of Physics, Chongqing Three Gorges University, Chongqing 404100, ChinaCollege of Civil Engineering, Chongqing Three Gorges University, Chongqing 404100, ChinaDepartment of Physics, Chongqing Three Gorges University, Chongqing 404100, ChinaDepartment of Physics, Chongqing Three Gorges University, Chongqing 404100, ChinaDepartment of Physics, Chongqing Three Gorges University, Chongqing 404100, ChinaInstitute for Structure and Function, Chongqing University, Chongqing 401331, ChinaFirst-principles calculations combined with homogeneous deformation methods are used to investigate the second- and third-order elastic constants of YNi2B2C with tetragonal structure. The predicted lattice constants and second-order elastic constants of YNi2B2C agree well with the available data. The effective second-order elastic constants are obtained from the second- and third-order elastic constants for YNi2B2C. Based on the effective second-order elastic constants, Pugh’s modulus ratio, Poisson’s ratio, and Vickers hardness of YNi2B2C under high pressure are further investigated. It is shown that the ductility of YNi2B2C increases with increasing pressure.http://dx.doi.org/10.1155/2017/9038151 |
| spellingShingle | Lili Liu Cai Chen Dingxing Liu Zhengquan Hu Gang Xu Rui Wang Nonlinear Elasticity of Borocarbide Superconductor YNi2B2C: A First-Principles Study Advances in Materials Science and Engineering |
| title | Nonlinear Elasticity of Borocarbide Superconductor YNi2B2C: A First-Principles Study |
| title_full | Nonlinear Elasticity of Borocarbide Superconductor YNi2B2C: A First-Principles Study |
| title_fullStr | Nonlinear Elasticity of Borocarbide Superconductor YNi2B2C: A First-Principles Study |
| title_full_unstemmed | Nonlinear Elasticity of Borocarbide Superconductor YNi2B2C: A First-Principles Study |
| title_short | Nonlinear Elasticity of Borocarbide Superconductor YNi2B2C: A First-Principles Study |
| title_sort | nonlinear elasticity of borocarbide superconductor yni2b2c a first principles study |
| url | http://dx.doi.org/10.1155/2017/9038151 |
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