基于第一性原理的金属导热性能研究
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崔洋, 李寿航, 应韬, 鲍华, 曾小勤
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Research on the Thermal Conductivity of Metals Based on First Principles
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CUI Yang, LI Shouhang, YING Tao, BAO Hua, ZENG Xiaoqin
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表3 Al、Mg、Zn的电导率计算值与实测值[26~28]及电子热导率
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Table 3 Calculated and measured[26-28] values of electrical conductivity (σ) of Al, Mg, Zn, and their electronic thermal conductivity
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| Material | σ300?K / (MS·m-1) | | σ500?K / (MS·m-1) | | σ700?K / (MS·m-1) | | κe / (W·m-1·K-1) |
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| Cal. | Exp. | | Cal. | Exp. | | Cal. | Exp. | | 300 K | 500 K | 700 K | | Al | 32.07 | 35.38[26] | | 19.48 | 19.66[26] | | 14.06 | 13.61[26] | | 242.15 | 247.39 | 249.90 | | Mg | 18.87 | 20.82[27] | | 12.22 | 11.57[27] | | 8.99 | 8.01[27] | | 143.54 | 143.25 | 143.27 | | Zn | 15.58 | 16.69[28] | | 9.21 | 9.59[28] | | 6.52 | 6.73[28] | | 110.07 | 107.89 | 111.72 |
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