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Preparation method of barium strontium titanate-based solid solution system negative temperature coefficient thermal sensitive ceramic
The invention discloses a preparation method of barium strontium titanate-based solid solution system negative temperature coefficient thermal sensitive ceramic, which comprises the following steps: by taking bismuth oxide, zinc oxide, titanium oxide, barium carbonate and strontium carbonate as raw materials, mixing and grinding the bismuth oxide, the zinc oxide, the titanium oxide, the barium carbonate and the strontium carbonate by adopting a traditional solid phase method, calcining, carrying out cold isostatic compaction, sintering at high temperature, and coating and burning an electrode, thereby obtaining the barium strontium titanate-based solid solution system negative temperature coefficient thermal sensitive ceramic. And the xBiZn < 0.5 > Ti < 0.5 > O < 3-(1-x) > Ba < 0.5 > Sr < 0.5 > TiO < 3 > solid solution system thermal sensitive ceramic with the negative temperature coefficient is prepared. Starting from the semi-conduction characteristic of the xBiZn0. 5Ti0. 5O3-(1-x) Ba0. 5Sr0. 5TiO3 heat-sensitive material, the electrical property of the material can be accurately adjusted by regulating and controlling the molar ratio of the chemical general formula, a novel heat-sensitive material with obvious negative temperature coefficient characteristic in the range of 400-1000 DEG C is successfully synthesized, and the novel heat-sensitive material can be applied to the fields of temperature measurement, temperature control, electronic element protection and the like.
本发明公开一种钛酸锶钡基固溶体系负温度系数热敏陶瓷制备方法，以氧化铋、氧化锌、氧化钛、碳酸钡、碳酸锶为原料，采用传统固相法将氧化铋、氧化锌、氧化钛、碳酸钡、碳酸锶混合研磨、煅烧、冷等静压成型、高温烧结、涂烧电极，以制备出xBiZn0.5Ti0.5O3‑(1‑x)Ba0.5Sr0.5TiO3固溶体系负温度系数热敏陶瓷。本发明从xBiZn0.5Ti0.5O3‑(1‑x)Ba0.5Sr0.5TiO3热敏材料的半导特性出发，通过调控化学通式摩尔比可以精确调节材料的电性能，成功合成了一种可在400‑1000℃范围具有明显负温度系数特性的新型热敏材料，可适用于温度测量、温度控制和电子元件保护等领域。
Preparation method of barium strontium titanate-based solid solution system negative temperature coefficient thermal sensitive ceramic
The invention discloses a preparation method of barium strontium titanate-based solid solution system negative temperature coefficient thermal sensitive ceramic, which comprises the following steps: by taking bismuth oxide, zinc oxide, titanium oxide, barium carbonate and strontium carbonate as raw materials, mixing and grinding the bismuth oxide, the zinc oxide, the titanium oxide, the barium carbonate and the strontium carbonate by adopting a traditional solid phase method, calcining, carrying out cold isostatic compaction, sintering at high temperature, and coating and burning an electrode, thereby obtaining the barium strontium titanate-based solid solution system negative temperature coefficient thermal sensitive ceramic. And the xBiZn < 0.5 > Ti < 0.5 > O < 3-(1-x) > Ba < 0.5 > Sr < 0.5 > TiO < 3 > solid solution system thermal sensitive ceramic with the negative temperature coefficient is prepared. Starting from the semi-conduction characteristic of the xBiZn0. 5Ti0. 5O3-(1-x) Ba0. 5Sr0. 5TiO3 heat-sensitive material, the electrical property of the material can be accurately adjusted by regulating and controlling the molar ratio of the chemical general formula, a novel heat-sensitive material with obvious negative temperature coefficient characteristic in the range of 400-1000 DEG C is successfully synthesized, and the novel heat-sensitive material can be applied to the fields of temperature measurement, temperature control, electronic element protection and the like.
本发明公开一种钛酸锶钡基固溶体系负温度系数热敏陶瓷制备方法，以氧化铋、氧化锌、氧化钛、碳酸钡、碳酸锶为原料，采用传统固相法将氧化铋、氧化锌、氧化钛、碳酸钡、碳酸锶混合研磨、煅烧、冷等静压成型、高温烧结、涂烧电极，以制备出xBiZn0.5Ti0.5O3‑(1‑x)Ba0.5Sr0.5TiO3固溶体系负温度系数热敏陶瓷。本发明从xBiZn0.5Ti0.5O3‑(1‑x)Ba0.5Sr0.5TiO3热敏材料的半导特性出发，通过调控化学通式摩尔比可以精确调节材料的电性能，成功合成了一种可在400‑1000℃范围具有明显负温度系数特性的新型热敏材料，可适用于温度测量、温度控制和电子元件保护等领域。
Preparation method of barium strontium titanate-based solid solution system negative temperature coefficient thermal sensitive ceramic
一种钛酸锶钡基固溶体系负温度系数热敏陶瓷制备方法
ZHANG HUIMIN (author) / XIE JUNTAO (author) / CHANG AIMIN (author) / PAN YE (author)
2024-06-28
Patent
Electronic Resource
Chinese
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