氧化锌电阻片的通流能力主要取决于电阻片的微观均匀性。使用纳米材料,有助于提高瓷体均匀性和致密性,使得氧化锌电阻片电气性能尤其是通流能力得到改善。为使纳米材料充分发挥作用,必须解决纳米材料自身的团聚,并提高料浆混合的均匀性。
刘勇飞
doaj
提供了一种用蒽醌显色法判定金属氧化物电阻片用氧化锌原料中金属锌的定性分析方法。采用有机试剂蒽醌在一定浓度的碱性溶液中,在水浴加热下与金属锌反应生成一种红色的络合物,根据反应后生成络合物的红点数量,来判断氧化锌中是否含有金属锌。与传统的盐酸溶解法相比,该方法操作简单,反应现象明显直观,易于观察,判断准确。该方法具有在氧化锌原料生产厂家、金属氧化物电阻片生产厂家和压敏电阻生产厂家推广使用的价值。
李越, 王兰义, 徐学亭
doaj
电瓷工艺装备设计分析与研究(九)鲁延宾(西安电瓷研究所西安710077)第九章氧化锌电阻片粉末冷压成型模具设计分析与研究氧化锌避雷器的电阻片采用粉末冷压成型,在电瓷制造工艺中称为干压成型,其模具称为干压模。粉末冷压成型是电阻片制造中不可缺少的基本工序...
鲁延宾
doaj
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