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本文研究采用电泳涂层法制作小型钨铼热电偶高温测温元件的可能性和工艺过程。研制的热电偶元件外径φ≤1.2mm,测温温度t≥1800℃。全面进行了元件的性能检测,包括热电性能、抗热冲击性能、稳定性能和时间响应性能等,并在模拟宇航和核场条件下进行了实际温度测量。此外,作为钨铼热电偶用于高技术领域的一项基础性研究,对高温热电偶制作过程中的材料选配和制作工艺等问题进行了探讨。
This paper studies the possibility and process of making a small tungsten-rhenium thermocouple high-temperature temperature measuring element by electrophoretic coating. Developed thermocouple element outer diameter φ ≤ 1.2mm, temperature measurement temperature t ≥ 1800 ℃. Conducting comprehensive performance testing of components, including thermoelectric performance, thermal shock resistance, stability and time response performance, and actual temperature measurements under simulated aerospace and nuclear conditions. In addition, tungsten-rhenium thermocouple as a basic research in the field of high-tech, high temperature thermocouple production process of material selection and manufacturing processes and other issues were discussed.