Thermodynamic properties and constitutive relations of crystals at finite temperature
文献类型：期刊论文
| 作者 | Tang QH(汤奇恒) ; Wang ZQ(王自强); Shang BS(尚宝双); Liu F(刘峰)
|
| 刊名 | SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY
 |
| 出版日期 | 2012-06-01 |
| 卷号 | 55期号:6页码:918-926 |
| 通讯作者邮箱 | tcwang@imech.ac.cn |
| 关键词 | lattice wave theory molecular dynamics thermodynamic properties constitutive model interatomic potential Quasi-Continuum Models Solids Defects Deformation Simulation Fracture Growth Strain |
| ISSN号 | 1674-7348 |
| 产权排序 | [Tang QiHeng;Wang TzuChiang; Shang BaoShuang; Liu Feng] Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China |
| 通讯作者 | Wang, TC ; Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China. |
| 中文摘要 | The dynamics equation for each individual atom is established directly around the equilibrium state of the system of N atoms based on the inter-atomic potential energy of EAM model. Using the theory of lattice dynamics and periodical boundary condition, the 3Nx3N stiffness matrix in eigen equations of vibration frequencies for a parallelepiped crystal is reduced to a 3nx3n matrix of eigen equations of vibration frequencies for a unit lattice. The constitutive relation of the crystal at finite temperature is extracted based on the quantum-mechanical principle. The thermodynamic properties and the stress-strain relationships of crystal Cu with large plastic deformation at different temperatures are calculated, the calculation results agree well with experimental data. |
| 学科主题 | 本构关系 |
| 分类号 | 二类/Q3 |
| 收录类别 | SCI ; EI |
| 原文出处 | http://dx.doi.org/10.1007/s11433-012-4744-3 |
| 语种 | 英语 |
| WOS记录号 | WOS:000304351900002 |
| 公开日期 | 2013-01-18 |
| 源URL | [http://dspace.imech.ac.cn/handle/311007/46728]  |
| 专题 | 力学研究所_非线性力学国家重点实验室 |
| 推荐引用方式 GB/T 7714 | Tang QH,Wang ZQ,Shang BS,et al. Thermodynamic properties and constitutive relations of crystals at finite temperature[J]. SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,2012,55(6):918-926. |
| APA | 汤奇恒,王自强,尚宝双,&刘峰.(2012).Thermodynamic properties and constitutive relations of crystals at finite temperature.SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,55(6),918-926. |
| MLA | 汤奇恒,et al."Thermodynamic properties and constitutive relations of crystals at finite temperature".SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY 55.6(2012):918-926. |
入库方式： OAI收割
来源：力学研究所
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