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为了压制均匀致密的氧化锌压敏电阻片坯体,对比不同厂家的氧化锌的堆积密度、粉体粒度、透射电镜照片、料浆粘度及造粒料的粒度分布和形貌,指出氧化锌浆料的粘度和造粒后颗粒的形貌在很大程度上取决于原材料的颗粒形貌,并提出把堆积密度作为反映原料颗粒形貌的一个参数。并为氧化锌压敏电阻片的生产厂家选择合适的氧化锌及生产稳定产品提供了一个简便的方法。
In order to suppress uniform and compact ZnO varistor green body, comparing the bulk density, powder size, TEM picture, particle viscosity and particle size distribution and morphology of zinc oxide from different manufacturers, it is pointed out that zinc oxide slurry The viscosity of the material and the morphology of the granulated granule depend largely on the particle morphology of the raw material and the bulk density is proposed as a parameter that reflects the particle morphology of the raw material. And zinc oxide varistor manufacturers choose the right zinc oxide and produce stable products provides a simple way.