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| 用于分度热电偶的Co-C高温共晶点的制作和复现性研究 | |
| 引用本文： | 郑玮,梁兴忠,吴健.用于分度热电偶的Co-C高温共晶点的制作和复现性研究[J].计量学报,2013,34(5):430-434. |
| 作者姓名： | 郑玮 梁兴忠 吴健 |
| 作者单位： | 1. 中国计量科学研究院, 北京 100013; 2. 山东省计量科学研究院, 山东 济南 250014; 3. 北京市计量检测科学研究院, 北京 100029 |
| 摘 要： | 介绍了中国计量科学研究院研制的用于分度热电偶的Co-C高温共晶点,以及使用铂/钯热电偶对共晶点进行的复现测量的结果。实验数据表明,Co-C高温共晶点的熔点复现性已达到了0.03 ℃。Co-C高温共晶点坩埚在1300 ℃以上温度经历了累计时间500 h、110多次的熔化和凝固实验后依然完好。 |
| 关 键 词： | 计量学 Co-C共晶点 复现性 铂/钯热电偶 |
Research on the Construction and Reproducibility of the Co-C HTFP for Thermocouple Calibration |
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| ZHENG Wei , LIANG Xing-zhong , WU Jian.Research on the Construction and Reproducibility of the Co-C HTFP for Thermocouple Calibration[J].Acta Metrologica Sinica,2013,34(5):430-434. | |
| Authors: | ZHENG Wei LIANG Xing-zhong WU Jian |
| Affiliation: | 1. National Institute of Metrology, Beijing 100013, China; 2. Shandong Institute of Metrology, Jinan, Shandong 250014, China; 3. Beijing Institute of Metrology, Beijing 100029, China |
| Abstract: | The method of construction of Co-C high temperature fixed point for thermometer calibration and the testing results of reproducibility with thermocouple at National Institute of Metrology of China are introduced.The experimental data show that the reproducibility of melting point of Co-C cell is 0.03 ℃ using Pt/Pt thermocouple, and the cell is robust after 110 melting and freezing cycles with 500 h above 1300 ℃. |
| Keywords: | Metrology Co-C eutectic point Reproducibility Pt/Pd thermocouple |
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