基于第一性原理的金属导热性能研究
|
|
崔洋, 李寿航, 应韬, 鲍华, 曾小勤
|
Research on the Thermal Conductivity of Metals Based on First Principles
|
|
CUI Yang, LI Shouhang, YING Tao, BAO Hua, ZENG Xiaoqin
|
|
表4 Al、Mg和Zn的热力学参数计算值与实测值[7,28,30~33]与声子热导率
|
Table 4 Calculated and measured[7,28,30-33] values of thermodynamic parameters of Al, Mg, Zn, and their phonon thermal conductivity
|
|
| Material | B0 / GPa | | θD / K | | γ | | κph / (W·m-1·K-1) |
|---|
| Cal. | Exp. | | Cal. | Exp. | | | | 300 K | 500 K | 700 K | | Al | 65.09 | 68[30] | | 492.21 | 438[7] | | 2.02 | | 20.22 | 12.13 | 8.67 | | Mg | 33.25 | 32[31] | | 392.74 | 344[32] | | 1.79 | | 8.56 | 5.13 | 3.67 | | Zn | 70.16 | 67[33] | | 314.51 | 316[28] | | 2.27 | | 5.75 | 3.45 | 2.47 |
|
|
|