摘要
针对国内生产的铁氧体橡塑磁粉六价铬(Cr6+)含量高而带来的环保问题,通过借鉴处理Cr6+的常用方法,结合铁氧体橡塑磁粉中Cr6+的形成特点,对橡塑磁粉中Cr6+进行削减试验研究。实验结果表明,在常规的生产工艺过程中添加适当的试剂对磁粉中Cr6+进行溶解或还原处理,或者几种方法并用,可控制磁粉的Cr6+含量在20×10―6以下,而且不影响磁粉磁性能,从而获得环保型橡塑磁粉。
On account of high C^r6＋ content in domestic plastic-rubber ferrite powder and considering the characteristic of C^r6＋ formation in the powder, experiments were performed on reducing the C^r6＋ content by using conventional C^r6＋ reducing way. The result indicated that the C^r6＋ content can be reduced to a low level of20×10^-6 by dissolving or reducing the C^r6＋ in powder by adding proper agent in the common production, without decreasing the magnetic property of the powder. By these methods, environmental protection magnetic powder can be produced.
出处
《磁性材料及器件》
CSCD
北大核心
2010年第2期66-68,78,共4页
Journal of Magnetic Materials and Devices
关键词
铁氧体橡塑磁粉
Cr6+含量
磁性能
plastic-rubber ferrite powder
C^r6＋ content
magnetic property
