| M型钡铁氧体的工艺优化与磁性能 |
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| 引用本文： | 荆洪阳,;丁笑,;李敏,;韩永典,;徐连勇.M型钡铁氧体的工艺优化与磁性能[J].天津大学学报(自然科学与工程技术版),2014(7):641-646. |
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| 作者姓名： | 荆洪阳 ;丁笑 ;李敏 ;韩永典 ;徐连勇 |
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| 作者单位： | [1]天津大学材料科学与工程学院,天津300072; [2]天津市现代连接技术重点实验室,天津300072 |
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| 基金项目： | 国家自然科学基金资助项目（51205282）. |
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| 摘 要： | 利用溶胶-凝胶法和自蔓延法制备了M型钡铁氧体,并对实验过程中影响产物组成的因素进行了分析,包括煅烧温度和分散剂浓度.实验结果表明,煅烧温度对产物组成有较大影响,分散剂浓度对产物组成影响不大,但对粉末的晶粒尺寸和分布有很大影响.通过对M型钡铁氧体进行磁性能分析,得到制备M型钡铁氧体的最佳工艺条件:加入质量浓度为20,g/L的聚乙二醇,同时在850,℃下煅烧3,h,不再进行450,℃预烧.
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| 关 键 词： | 溶胶-凝胶法自蔓延法 M型钡铁氧体 工艺优化 磁性能 |
Process Optimization and Magnetic Properties of M-Type Barium Ferrite |
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| Jing Hongyang;Ding Xiao;Li Min;Han Yongdian;Xu Lianyong.Process Optimization and Magnetic Properties of M-Type Barium Ferrite[J].Journal of Tianjin University(Science and Technology),2014(7):641-646. |
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| Authors: | Jing Hongyang;Ding Xiao;Li Min;Han Yongdian;Xu Lianyong |
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| Institution: | Jing Hongyang, Ding Xiao, Li Min, Han Yongdian, Xu Lianyong (1. School of Materials Science and Engineering, Tianjin University, Tianjin 300072, China; 2. Tianjin Key Laboratory of Advanced Joining Technology, Tianjin ,300072, China) |
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| Abstract: | M-type barium ferrite was prepared using auto-combustion-Sol-Gel method. Factors that would affect the product composition during the fabrication process, including the calcination temperature and concentration of dispersant were analyzed. The experimental results show that calcination temperature has a significant effect on the product composition. However, the concentration of the dispersant has little effect on product composition but has a great effect on the grain size and distribution of the powder. Through analysis on M-type barium ferrite＇s magnetic property, the optimum condition for the preparation of M-type barium ferrite was obtained： calcining for three hours at the mass concentration of 20 g/L polyethylene glycol and at a temperature of 850 ℃ without pre-calcining at 450 ℃. |
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| Keywords: | auto-combustion-Sol-Gel method M-type barium ferrite process optimization magnetic property |
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