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快淬Nd₁₁Fe₇₂Co₈V_1.5B_7.5合金的研究

Investigations on Melt-spun Nd₁₁Fe₇₂Co₈V_1.5B_7.5 Permanent Magnet

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【Author】 Ni Jiansen, Xu Hui, Zhu Mingyuan, Li Qiang, Zhou Bangxin, Zhang Xun * Jia Jixiao *(Institute of Materials Shanghai University,Research Center of Nano-Sci. & Nano-Tech. of Shanghai University, Shanghai 200072)( *Shanghai Yue Long Non Ferrous Metals Co.Ltd,Shanghai 200949)

【机构】上海大学材料研究所；上海大学纳米科学与技术研究中心；上海跃龙有色金属有限公司；上海跃龙有色金属有限公司上海200072；上海200072；上海200949；上海200949；

【摘要】快淬速度 18m·s-1的Nd11Fe72 Co8V1.5B7.5薄片经 6 5 0℃× 4min晶化处理后 ,晶粒尺寸约 10 0nm ,该快淬薄片经 6 0 0℃× 4min晶化处理后制成的粘结磁体的磁性能 :Br=0 .6 6T ,JHC =780kA·m-1,(BH) max=6 9kJ·m-3 。更多还原

【Abstract】 Nd 11Fe 72Co 8V 1.5B 7.5 ribbons were prepared by melt-spun(18m/s)and subsequent heat treatment.After treated the ribbons at 650℃ for 4min,the mean grain size was about 100nm.Excellent magnetic properties of the bonded magnet were achieved:B r=0.66T, JH C=780kA·m -1,(BH) max=69kJ·m -3?更多还原