Effect of the Combination of HTR and NTR Processes on the Magnetic Properties of Strontium Hexaferrite
Hydrogen treatment and re-calcination (HTR) and nitrogen treatment and re-calcination (NTR) processes have marked effects on enhancement of the magnetic properties,particularly coercivity,of the strontium hexaferrite powder synthesized conventionally.This improvement is mainly attributed to finer structure obtaining after gas treatment.In this work,the effects of different combinations of these processes on the powder and bulk magnetic properties have been studied by using VSM and Permeameter.XRD and SEM techniques have also been used for characterization of the processes.
Hydrogen Nitrogen Strontium Hexaferrite Re-Calcination
S.A.Seyyed Ebrahimi
Center of Excellence in Magnetic Materials,School of Metallurgy and materials,University of Tehran,Tehran,Iran
国际会议
The Fifth China International Conference on High-Performance Ceramics (第五届先进陶瓷国际研讨会(CICC-5))
长沙
英文
613-616
2007-05-10（万方平台首次上网日期，不代表论文的发表时间）