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Conductive ceramic heating element and preparation method and application thereof
The invention relates to the technical field of electronic materials, and discloses a conductive ceramic heating body and a preparation method and application thereof. The conductive ceramic heating body comprises a conductive ceramic substrate and a conductive ceramic electrode formed on the conductive ceramic substrate, the conductive ceramic electrode comprises a molybdenum-manganese layer and a nickel layer, and a raw material composition for forming the molybdenum-manganese layer contains molybdenum powder, conductive ceramic powder, manganese powder, silicon dioxide and aluminum oxide. According to the conductive ceramic heating body provided by the invention, the expansion coefficient of the molybdenum-manganese slurry is adjusted to be matched with the conductive ceramic substrate through the same components as the conductive ceramic substrate, and the molybdenum-manganese slurry is co-fired on the electrode of the conductive ceramic substrate at high temperature, so that the material is ensured to have higher bonding strength and higher temperature resistance; and subsequent high-temperature brazing of the electrode is facilitated, so that the conductive ceramic heating body can be electrified and used by welding a lead on the electrode.
本发明涉及电子材料技术领域，公开了一种导电陶瓷发热体及其制备方法和应用。该导电陶瓷发热体包括导电陶瓷基底和形成在所述导电陶瓷基底上的导电陶瓷电极，其中，所述导电陶瓷电极包括钼锰层和镍层，形成所述钼锰层的原料组合物含有钼粉、导电陶瓷粉、锰粉、二氧化硅和氧化铝。按照本发明所述的导电陶瓷发热体，通过与导电陶瓷基体相同的成分调节钼锰浆料的膨胀系数与导电陶瓷基体相匹配，而且在导电陶瓷基底的电极处上高温共烧上钼锰浆料，从而确保了材料具有较高的结合强度和较高的耐温性，方便后续电极的高温钎焊，使导电陶瓷发热体能够在电极处焊接上导线通电使用。
Conductive ceramic heating element and preparation method and application thereof
The invention relates to the technical field of electronic materials, and discloses a conductive ceramic heating body and a preparation method and application thereof. The conductive ceramic heating body comprises a conductive ceramic substrate and a conductive ceramic electrode formed on the conductive ceramic substrate, the conductive ceramic electrode comprises a molybdenum-manganese layer and a nickel layer, and a raw material composition for forming the molybdenum-manganese layer contains molybdenum powder, conductive ceramic powder, manganese powder, silicon dioxide and aluminum oxide. According to the conductive ceramic heating body provided by the invention, the expansion coefficient of the molybdenum-manganese slurry is adjusted to be matched with the conductive ceramic substrate through the same components as the conductive ceramic substrate, and the molybdenum-manganese slurry is co-fired on the electrode of the conductive ceramic substrate at high temperature, so that the material is ensured to have higher bonding strength and higher temperature resistance; and subsequent high-temperature brazing of the electrode is facilitated, so that the conductive ceramic heating body can be electrified and used by welding a lead on the electrode.
本发明涉及电子材料技术领域，公开了一种导电陶瓷发热体及其制备方法和应用。该导电陶瓷发热体包括导电陶瓷基底和形成在所述导电陶瓷基底上的导电陶瓷电极，其中，所述导电陶瓷电极包括钼锰层和镍层，形成所述钼锰层的原料组合物含有钼粉、导电陶瓷粉、锰粉、二氧化硅和氧化铝。按照本发明所述的导电陶瓷发热体，通过与导电陶瓷基体相同的成分调节钼锰浆料的膨胀系数与导电陶瓷基体相匹配，而且在导电陶瓷基底的电极处上高温共烧上钼锰浆料，从而确保了材料具有较高的结合强度和较高的耐温性，方便后续电极的高温钎焊，使导电陶瓷发热体能够在电极处焊接上导线通电使用。
Conductive ceramic heating element and preparation method and application thereof
导电陶瓷发热体及其制备方法和应用
ZHANG WEIRONG (author) / LIN XINPING (author) / JIANG PINYI (author) / LI JIAYAN (author)
2024-07-02
Patent
Electronic Resource
Chinese
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