| 低温大试样热胀系数测试 |
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| 引用本文： | 喻力弘,林鹏,张庆庚,张亮. 低温大试样热胀系数测试[J]. 低温物理学报, 2005, 27(1): 91-96 |
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| 作者姓名： | 喻力弘 林鹏 张庆庚 张亮 |
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| 作者单位： | 中国科学院理化技术研究所,北京,100080;中国科学院理化技术研究所,北京,100080;中国科学院理化技术研究所,北京,100080;中国科学院理化技术研究所,北京,100080 |
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| 摘 要： | 本介绍了用熔融石英引伸法测量硬质材料热胀系数的简便装置，并给出了试样在液氦温区到室温的测量结果，数据的一致性以及与已有献数据比较取得了不错的结果．
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| 关 键 词： | 热胀系数 低温 测量 |
| 修稿时间： | 2004-04-02 |
THE MEASUREMENT OF THERMAL EXP ANSION COEFFICIENT OF SOME LARGE SIZE OF SPECIMEN AT LOW TEMPERATURE |
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| YU LI HONG LIN PENG ZHANG QING GEN ZHANG LIANG Technical Institute of Physics and Chemistry,Chinese Academy of Sciences,Beijing. THE MEASUREMENT OF THERMAL EXP ANSION COEFFICIENT OF SOME LARGE SIZE OF SPECIMEN AT LOW TEMPERATURE[J]. Chinese Journal of Low Temperature Physics, 2005, 27(1): 91-96 |
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| Authors: | YU LI HONG LIN PENG ZHANG QING GEN ZHANG LIANG Technical Institute of Physics Chemistry Chinese Academy of Sciences Beijing |
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| Affiliation: | YU LI HONG LIN PENG ZHANG QING GEN ZHANG LIANG Technical Institute of Physics and Chemistry,Chinese Academy of Sciences,Beijing 100080 |
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| Abstract: | The apparatus for linear thermal expansion of rigid solid materials with a vitreous silica dilatometer is introduced in this paper. Valuable datum has been gained from liquid helium temperature, 4.2K, to room temperature, 293K. The experimental results prove that the apparatus for thermal expansion measurement is a reliable and economic method. |
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| Keywords: | coefficient of thermal expansion low temperature measurement |
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