冷热压成型制备的铁硅铬(FeSiCr)磁粉芯性能对比研究
Contrast research on the properties of iron-silicon-chromium(FeSiCr)powder cores prepared by cold and hot pressing
刘家良 1肖强 1陈学敏 1曹允开 1郭雄志1
作者信息
- 1. 深圳市铂科新材料股份有限公司,广东 深圳 518052
- 折叠
摘要
采用水雾化高性能球形铁硅铬合金粉,通过混合树脂造粒,使用伺服压机压制成磁环,探究了冷、热压工艺对磁粉芯磁性性能的影响.采用"双85"试验、盐雾试验对其进行可靠性测试,使用万能试验机探究了压制工艺对磁粉芯强度的影响.结果表明,热压成型磁粉芯具有更高的密度、磁导率和强度以及更低的损耗,冷压工艺成型的磁粉芯有更好的直流偏置特性和更优异的防锈性能.
Abstract
The effect of hot and cold pressing process on the magnetic properties of the magnetic powder core was studied by using water-atomized high-performance spherical Fe-Si-Cr alloy powder,which was pelleted by mixed resin and pressed into magnetic ring by servo press.The reliability test was carried out by"double 85"test and salt spray test,and the influence of pressing process on the strength of magnetic powder core was investigated by universal testing machine.The results show that the hot pressed magnetic powder core has higher density,permeability,strength and lower loss,and the cold pressed magnetic powder core has better DC bias characteristics and better rust prevention performance.
关键词
铁硅铬合金粉/磁粉芯/冷热压成型/磁导率/防锈/绝缘Key words
FeSiCr alloy powder/magnetic powder core/hot and cold pressing/magnetic permeability/rust prevention/insulation引用本文复制引用
出版年
2024
NETL
NSTL
万方数据