HDDR工艺参数对Nd-Fe-B磁粉性能的影响  

Effects of HDDR Process Parameters on the Properties of Nd-Fe-B Magnetic Powders

作　　者：刘敏[1] 杨武[1] 韩广兵[1] 高汝伟[1] 

机构地区：[1]山东大学物理学院,济南250100

出　　处：《金属材料研究》2009年第1期10-14,共5页Research on Metallic Materials

基　　金：国家自然科学基金（50671055）资助项目

摘　　要：分析了HDDR工艺参数对Nd—Fe—B磁粉性能的影响，着重分析了歧化及再结合阶段的温度、压强和时间对磁粉微结构及磁性能的影响。通过分析比较给出了制备Nd—Fe-B磁粉的最佳工艺条件，并对今后HDDR工艺的发展进行了展望。In this paper, the effects of HDDR process parameters on the properties of Nd- Fe-B magnetic powders were analyzed, and especially the effects of temperature, pressure and time of decomposition and recombination stages on properties of Nd-Fe-B magnetic powders were emphatically analyzed. The optimized process parameters are found by analyzing and comparing. Eventually, the development of HDDR process is forecasted.

关 键 词：HDDR工艺 Nd—Fe-B磁粉 微结构 磁性能 

分 类 号：TM27[一般工业技术—材料科学与工程] TM273[电气工程—电工理论与新技术]