非晶态Nd_4Fe_(77.5)(B_(1-x)C_x)_(18.5)合金的磁性和晶化

金属学报, 1992, 28(11): 70-74.

非晶态Nd_4Fe_(77.5)(B_(1-x)C_x)_(18.5)合金的磁性和晶化

曹蕾 , 沈保根 , 杨林原 , 赵见高

中国科学院物理研究所磁学国家重点实验室

博士研究生

北京(100080)

中国科学院物理研究所磁学国家重点实验室

基金项目: 中国科学院金属研究所快速凝固非平衡合金国家重点实验室资助

关键词： Nd—Fe—B合金 , Curie temperature , magnetization temperature , crystallization temperature

MAGNETIC PROPERTIES AND CRYSTALLIZATION OF AMORPHOUS Nd_4Fe_(77.5)(B_(1-x)C_x)_(18.5) ALLOYS

CAO Lei , SHEN Baogen , YANG Linyuan , ZHAO Jiangao (State Key Laboratory of Magnetism

Keywords： NdFeBC , Curie温度 , 磁化强度 , 晶化温度

用急冷方法制备的Nd_4Fe_(77.5)(B_(1-x)C_x)_(18.5)合金带、当x<0.6时为非晶态,x>0.8时是晶态,表明用碳替代硼会使合金的非晶形成能力变差,分析了热处理样品中的晶化相组成。

The ribbons of Nd_4Fe_(77.5)(B_(1-x)C_x)_(18.5) alloys, prepared by melt-spinning method, are still amorphous for x≤0.6 and become crystalline for x≥0.8 after rapid quenching. The effect of C substitution for B on Curie temperature as well as on magnetization and crystallization temperatures of these alloys has been studied. The crystalline phases have also been analyzed in the samples after heat treatment.

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