Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Cerium-doped perovskite type high-temperature thermal sensitive ceramic resistance material and preparation method thereof
The invention relates to a cerium-doped high-temperature perovskite oxide negative temperature coefficient thermistor and a preparation method thereof, the resistor is prepared by taking barium carbonate, calcium carbonate, zirconium dioxide, titanium dioxide and cerium dioxide as raw materials and adopting a solid phase method, and the performance of a barium calcium zirconium titanium oxygen group thermistor is adjusted by changing the molar weight of the doped cerium oxide. The preparation method comprises the following steps: mixing, grinding and calcining to obtain thermistor powder, carrying out secondary grinding on the powder, carrying out compression molding to obtain a wafer with the diameter of 10mm and the thickness of 2mm, and carrying out cold isostatic pressing at 300MPa for 180s, sintering at the optimal temperature of 1375 DEG C for 5 hours for subsequent electrical performance test analysis, and coating platinum paste on the two surfaces of the ceramic chip respectively, and performing annealing treatment at 900 DEG C for 30 minutes;.
本发明涉及一种铈掺杂高温钙钛矿氧化物负温度系数热敏电阻器及其制备方法，该电阻器是由碳酸钡、碳酸钙、二氧化锆、二氧化钛和二氧化铈为原料，采用固相法制备，通过改变掺杂的氧化铈的摩尔量来调节钡钙锆钛氧基热敏电阻的性能。混合研磨后煅烧得热敏电阻粉体，再二次研磨粉体经压制成型得直径10mm，厚度2mm的圆片，再冷等静压300MPa，180s。在1375°C的最佳温度下烧结5小时，以备后续电性能测试分析。陶瓷片两面各涂铂浆并900°C退火30min处理。
Cerium-doped perovskite type high-temperature thermal sensitive ceramic resistance material and preparation method thereof
The invention relates to a cerium-doped high-temperature perovskite oxide negative temperature coefficient thermistor and a preparation method thereof, the resistor is prepared by taking barium carbonate, calcium carbonate, zirconium dioxide, titanium dioxide and cerium dioxide as raw materials and adopting a solid phase method, and the performance of a barium calcium zirconium titanium oxygen group thermistor is adjusted by changing the molar weight of the doped cerium oxide. The preparation method comprises the following steps: mixing, grinding and calcining to obtain thermistor powder, carrying out secondary grinding on the powder, carrying out compression molding to obtain a wafer with the diameter of 10mm and the thickness of 2mm, and carrying out cold isostatic pressing at 300MPa for 180s, sintering at the optimal temperature of 1375 DEG C for 5 hours for subsequent electrical performance test analysis, and coating platinum paste on the two surfaces of the ceramic chip respectively, and performing annealing treatment at 900 DEG C for 30 minutes;.
本发明涉及一种铈掺杂高温钙钛矿氧化物负温度系数热敏电阻器及其制备方法，该电阻器是由碳酸钡、碳酸钙、二氧化锆、二氧化钛和二氧化铈为原料，采用固相法制备，通过改变掺杂的氧化铈的摩尔量来调节钡钙锆钛氧基热敏电阻的性能。混合研磨后煅烧得热敏电阻粉体，再二次研磨粉体经压制成型得直径10mm，厚度2mm的圆片，再冷等静压300MPa，180s。在1375°C的最佳温度下烧结5小时，以备后续电性能测试分析。陶瓷片两面各涂铂浆并900°C退火30min处理。
Cerium-doped perovskite type high-temperature thermal sensitive ceramic resistance material and preparation method thereof
一种铈掺杂钙钛矿型高温热敏陶瓷电阻材料及其制备方法
XIE YONGXIN (Autor:in) / CHEN XIANGHUI (Autor:in) / CHANG AIMIN (Autor:in)
21.01.2022
Patent
Elektronische Ressource
Chinesisch
| Europäisches Patentamt | 2021
| Europäisches Patentamt | 2024
Doped perovskite relay electronic ceramic material and preparation method thereof
| Europäisches Patentamt | 2022
| Europäisches Patentamt | 2015