Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Insulating ceramic material for electric heating film substrate and preparation method thereof
The invention discloses an insulating ceramic material for an electric heating film substrate and a preparation method of the insulating ceramic material. Emery, talc, magnesium carbonate, clay, barium carbonate and the like are used as raw materials; a high-temperature insulation composite ceramic material product with the resistivity negative temperature coefficient far smaller than that of cordierite is obtained through the procedures of burdening, ball milling, re-burdening, ball milling and uniform mixing, grouting slurry adjusting, gypsum mold grouting forming, drying, sintering and the like. According to the prepared material, the room-temperature resistivity reaches 1014 orders of magnitude, the room-temperature resistivity is larger than or equal to 1 * 10 < 5 > omegam at the temperature of 1000 DEG C, and the breaking strength is larger than or equal to 100 MPa. The thermal expansion coefficient is about 2 * 10 <-4 >/DEG C (25-1000 DEG C), the product can be used for preparing a substrate for an electric heating film and other products, and the highest heating temperature can reach 1000 DEG C.
本发明公开一种电加热膜基板用绝缘陶瓷材料及其制备方法，以刚玉砂、滑石、碳酸镁、粘土、碳酸钡等为原料，经配料、球磨、再配料、球磨混合均匀、调节注浆浆料、石膏模注浆成型、干燥、烧成等工序获得电阻率负温度系数远小于堇青石的高温绝缘复合陶瓷材料产品。本发明制得的材料，室温电阻率达到1014数量级，1000℃时≥1×105Ωm，抗折强度≥100MPa。热膨胀系数约2×10‑4/℃，（25℃~1000℃），产品可用于制备电加热膜用基板等产品，最高发热温度可以达到1000℃。
Insulating ceramic material for electric heating film substrate and preparation method thereof
The invention discloses an insulating ceramic material for an electric heating film substrate and a preparation method of the insulating ceramic material. Emery, talc, magnesium carbonate, clay, barium carbonate and the like are used as raw materials; a high-temperature insulation composite ceramic material product with the resistivity negative temperature coefficient far smaller than that of cordierite is obtained through the procedures of burdening, ball milling, re-burdening, ball milling and uniform mixing, grouting slurry adjusting, gypsum mold grouting forming, drying, sintering and the like. According to the prepared material, the room-temperature resistivity reaches 1014 orders of magnitude, the room-temperature resistivity is larger than or equal to 1 * 10 < 5 > omegam at the temperature of 1000 DEG C, and the breaking strength is larger than or equal to 100 MPa. The thermal expansion coefficient is about 2 * 10 <-4 >/DEG C (25-1000 DEG C), the product can be used for preparing a substrate for an electric heating film and other products, and the highest heating temperature can reach 1000 DEG C.
本发明公开一种电加热膜基板用绝缘陶瓷材料及其制备方法，以刚玉砂、滑石、碳酸镁、粘土、碳酸钡等为原料，经配料、球磨、再配料、球磨混合均匀、调节注浆浆料、石膏模注浆成型、干燥、烧成等工序获得电阻率负温度系数远小于堇青石的高温绝缘复合陶瓷材料产品。本发明制得的材料，室温电阻率达到1014数量级，1000℃时≥1×105Ωm，抗折强度≥100MPa。热膨胀系数约2×10‑4/℃，（25℃~1000℃），产品可用于制备电加热膜用基板等产品，最高发热温度可以达到1000℃。
Insulating ceramic material for electric heating film substrate and preparation method thereof
一种电加热膜基板用绝缘陶瓷材料及其制备方法
SHI QI (Autor:in) / DONG HAOTIAN (Autor:in)
05.07.2024
Patent
Elektronische Ressource
Chinesisch
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