| Microstructural Characterization of Novel Ni-Containing Nd-Fe-B Strips by Strip Casting |
| |
| 作者姓名： | 李成栋 朱学新 石力开 |
| |
| 作者单位： | National Engineering Research Center for Non-Ferrous Metal Composites, General Research Institute for Non- Ferrous Metals, Beijing 100088, China |
| |
| 基金项目： | 科技部科研项目，Postdoc Foundation of China |
| |
| 摘 要： | The characteristics of novel Nd-Fe （Ni, Co, Al ）-B microstructure prepared by strip casting technique were studied. The novel microstructure was observed using scanning electron microscope （SEM） and transmission electron microscope （TEM）. Along the direction of heat flow, there are two kinds of different microstructures. Close to the wheel side, there is a thick layer containing many polygonal Nd2Fe14B grains. Near the free surface side, however, there are relative uniform platelike Nd2Fe14B grains whose growth direction is not completely the direction of the heat flow during solidification. The formation of the novel microstructure is presumed to be the contribution of the special temperature field and Ni component.
|
| 关 键 词： | 薄带铸造 永磁材料 Nd-Fe-B 镍 SEM TEM 显微结构 |
| 文章编号： | 1002-0721（2006）01-0085-04 |
| 收稿时间： | 2005-04-18 |
| 修稿时间： | 2005-06-23 |
Microstructural Characterization of Novel Ni-Containing Nd-Fe-B Strips by Strip Casting |
| |
| Chengdong , Xuexin Zhu,Likai Shi.Microstructural Characterization of Novel Ni-Containing Nd-Fe-B Strips by Strip Casting[J].Journal of Rare Earths,2006,24(1):85-88. |
| |
| Authors: | Chengdong Xuexin Zhu Likai Shi |
| |
| Affiliation: | National Engineering Research Center for Non-Ferrous Metal Composites, General Research Institute for Non-Ferrous Metals, Beijing 100088, China |
| |
| Abstract: | The characteristics of novel Nd-Fe(Ni, Co, Al)-B microstructure prepared by strip casting technique were studied. The novel microstructure was observed using scanning electron microscope (SEM) and transmission electron microscope (TEM). Along the direction of heat flow, there are two kinds of different microstructures. Close to the wheel side, there is a thick layer containing many polygonal Nd2Fe14B grains. Near the free surface side, however, there are relative uniform platelike Nd2Fe14B grains whose growth direction is not completely the direction of the heat flow during solidification. The formation of the novel microstructure is presumed to be the contribution of the special temperature field and Ni component. |
| |
| Keywords: | Nd-Fe (Ni Co Al)-B strip casting columnar crystals novel microstructure rare earths |
| 本文献已被 CNKI 维普 万方数据 ScienceDirect 等数据库收录！ |
