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TDK铁氧体E100/60/28系列磁芯B66894GX197
铁氧体磁芯与配件 E100/60/28 N97 ungapped
制造商: TDK
产品种类: 铁氧体磁芯 高频磁环 高频导磁环 锰锌铁氧体磁芯 纳米晶软磁芯 非晶合金磁芯 镍锌铁氧体 铁镍钼磁粉芯 铁硅铝磁粉芯
系列: E100/60/28
产品: Ferrite Cores
类型: Ungapped
核心: E Core
芯体大小: 100 x 60 x 28
电感: 6.8 uH
容差: - 20 %, + 30 %
芯体材料: N97
封装: Bulk
商标: EPCOS / TDK
产品类型: Ferrite Cores & Accessories
工厂包装数量：8
子类别: Ferrites
零件号别名: B66894GX197
单位重量: 623.738 g
铁氧体磁性材料的制备工艺
①，多晶铁氧体生产工艺类似陶瓷工业中常用的烧结过程，包括如下步骤:经固相反应形成铁氧体的金属氧化物或碳酸盐或其他化合物，在混合均匀之后，经球磨、干燥，压成特定的形状。在大约1000°C的温度下进行预烧后，再一次充分研磨和混合。加入适量的粘合剂，压成所要求的形状或者作为塑性物质挤压成管状、棒状或条状。然后在1200~1400°C温度下烧结，准确的温度取决于所需的铁氧体特性。在后的烧结过程中，炉膛中的环境条件起有重要的作用。
②，铁氧体化学工艺亦称湿法工艺，有时还称为化学共沉淀法。制备较铁氧体的工艺方法，又可分成中和法和氧化法。其过程是:先将制备铁氧体时所需的金属元素，配制成一定浓度的离子溶液，然后根据配方取适量溶液进行混合，通过中和或氧化等化学反应生成铁氧体粉末，其后工艺过程与前面介绍的相同。
③，单晶铁氧体制造工艺与非金属单晶生长大致相同。Mn-Zn和Ni-Zn系铁氧体单晶生长一般是采用布里兹曼法，即把多晶铁氧体放入铂坩埚里熔融后，在适当的温度梯度电炉中使坩埚下降，从坩埚底部慢慢固化生成单晶。为了使熔融状态下形成的氧分压达到平衡，晶体生长时在炉膛内需要加几个乃至100个MPa的氧分压。
④，铁氧体多晶薄膜的制备如垂直磁化的钡铁氧体薄膜，采用新型的对向靶溅射装置进行溅射。制备石榴石单晶薄膜，多采用在单晶基板上进行气相或液相外延法，其具体工艺过程同半导体单晶薄膜的外延方法极为相近。
⑤，非晶铁氧体的制备目前是采用超急冷方法和溅射法，所谓超急冷法即把铁氧体原料和适量的类金属元素混合后，在高温熔融状态下，骤然施行大温度梯度的超急冷却的方法。这方面的研究工作刚刚开始，制品的性能还不甚理想。
铁氧体磁性材料具备技术性能优良、类型多样，以及应用广泛等特点，选择适当技术工艺开展材料生产和材料的应用工作，能够获取较好效果。
北京友盛兴业科技有限公司代理供应TDK铁氧体磁芯,欢迎来电咨询
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