铁基金属玻璃区间退火对磁性能影响的研究Effect of annealing on magnetic properties of Fe-based glassy alloy
刘烜,李丽娜,丁燕红,赵水生,龙毅,叶荣昌,常永勤
摘要(Abstract):
在空气中通过单辊快淬法制备了Fe57.6Co14.4B19.2Si4.8Nb4金属玻璃,研究了该金属玻璃在保持非晶态下退火温度和保温时间对静态磁性能和交流低频下的损耗特性的影响。随着退火温度的升高,直流最大磁导率升高、矫顽力下降、电阻率增加,低频交流铁芯损耗也随着温度的升高而明显降低,在773K下保温30min得到最佳的直流性能和交流低频损耗性能。
关键词(KeyWords): 铁基金属玻璃;软磁材料;退火;低频损耗
基金项目(Foundation): 国家自然科学基金项目(50471094)
作者(Author): 刘烜,李丽娜,丁燕红,赵水生,龙毅,叶荣昌,常永勤
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