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Experimental study on electrical resistivity measurement of a specimen at high temperature |
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| Authors: | Chunsuo Xin Jingmin Dai Xiaowa He |
| Institution: | 1. Department of Automation Measurement and Control, Harbin Institute of Technology,Harbin 150001, China;Aerospace Research Institute of Materials and Processing Technology,Beijing 100076, China 2. Department of Automation Measurement and Control, Harbin Institute of Technology,Harbin 150001, China 3. Aerospace Research Institute of Materials and Processing Technology,Beijing 100076, China |
| Abstract: | A new technique is developed to measure the electrical resistivity of conductor with a nonuniform temperature profile. The calculation method is derived from the temperature dependence of the electrical resistivity. The apparatus consists mainly of a high temperature environmental chamber, a power circuit of heating, a twenty-wavelength pyrometer, and a scanning pyrometer. After getting the resistance from the voltage drop of the specimen, the electrical resistivity in a wide temperature range of the specim... |
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