摘要
一种TbDyFe合金粉末的制备方法 ,该方法采用金属钙作还原剂 ,直接由氧化物 (Tb4O7、Dy2 O3 、Fe2 O3 )通过还原扩散法直接制得含铽为 17 2 %～ 17 5 % ,含镝 4 2 % (质量 )的TbDyFe合金粉 ,与现有技术相比 ,本技术通过金属钙还原得到金属铽、镝并立即扩散与还原铁形成TbDyFe合金 ,该法无环境污染 ,生产成本低 ,合金中含铽、镝量稳定 。
A method of preparing TbDyFe alloy powder in the mode of intermetallic compound is introduced Using Ca as reductant and after the diffuse reducing reaction between Tb 4O 7,Dy 2O 3 and Fe 2O 3,TbDyFe alloy powder in which Tb is 17 2%～17 5%(weight) and Dy is 42% can be made Compared to the method used now,TbDyFe is made from Tb and Dy which has been reduced from Ca and diffused immediately to the reduced Fe This method does not pollute the environment,and can cut down the cost,furthermore,the content of Tb can be stable It can be widely used in magnetostrictive material
出处
《金属功能材料》
CAS
2003年第3期23-26,共4页
Metallic Functional Materials
