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Method for preparing SnO2 piezoresistor ceramic with high surge current resistance
The invention discloses a method for preparing SnO2 piezoresistor ceramic with high surge current resistance. The preparation method comprises a raw material preparation step, a dispersing step, a drying step, a forming step, a rubber discharging step and a sintering step, which are sequentially carried out; the method is characterized in that titanium ions and tungsten ions are added in the raw material preparation step, wherein the titanium ions are added in the form of Ta2O5, and the tungsten ions are added in the form of WO3. The piezoresistor ceramic has the advantages of being high in nonlinearity, low in leakage current, high in surge current resistance, high in heat conductivity and capable of satisfying the application requirements of the high-voltage field for the SnO2 piezoresistor valve plate.
一种高耐受浪涌电流SnO压敏电阻陶瓷的方法，包括原料配制步骤、分散步骤、烘干步骤、成型步骤、排胶步骤、烧结步骤，上述步骤依次进行，其特征在于，所述原料配制步骤中加入钛离子、钨离子，所述太离子以TaO形式添加，所述钨离子以WO形式添加。其有益效果是：高非线性、低漏流、高耐受浪涌电流能力、热导率高，更能适合高压领域对于SnO压敏电阻阀片的应用要求。
Method for preparing SnO2 piezoresistor ceramic with high surge current resistance
The invention discloses a method for preparing SnO2 piezoresistor ceramic with high surge current resistance. The preparation method comprises a raw material preparation step, a dispersing step, a drying step, a forming step, a rubber discharging step and a sintering step, which are sequentially carried out; the method is characterized in that titanium ions and tungsten ions are added in the raw material preparation step, wherein the titanium ions are added in the form of Ta2O5, and the tungsten ions are added in the form of WO3. The piezoresistor ceramic has the advantages of being high in nonlinearity, low in leakage current, high in surge current resistance, high in heat conductivity and capable of satisfying the application requirements of the high-voltage field for the SnO2 piezoresistor valve plate.
一种高耐受浪涌电流SnO压敏电阻陶瓷的方法，包括原料配制步骤、分散步骤、烘干步骤、成型步骤、排胶步骤、烧结步骤，上述步骤依次进行，其特征在于，所述原料配制步骤中加入钛离子、钨离子，所述太离子以TaO形式添加，所述钨离子以WO形式添加。其有益效果是：高非线性、低漏流、高耐受浪涌电流能力、热导率高，更能适合高压领域对于SnO压敏电阻阀片的应用要求。
Method for preparing SnO2 piezoresistor ceramic with high surge current resistance
高耐受浪涌电流SnO压敏电阻陶瓷的方法
ZHAO HONGFENG (author) / LIANG WENXIN (author) / WANG HAO (author) / WANG YUCHUAN (author) / YANG XING (author) / ZHENG YIYI (author)
2020-06-05
Patent
Electronic Resource
Chinese
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