Process for producing permanent magnet materials
作者： Yutaka Matsuura , Setsuo Hanazonodanchi Fujimura , Masato Sagawa
DOI:
关键词: Sintering 、 Isotropy 、 Particle size 、 Materials science 、 Magnet 、 Anisotropy 、 Analytical chemistry 、 Metal 、 Metallurgy
摘要: Permanent magnet materials of the Fe-B-R type are produced by: preparing a metallic powder having mean particle size 0.3-80 microns and composition 8-30 at % R, 2-28 B, balance Fe, compacting, sintering, temperature 900-1200 degrees C. Co up to 50 may be present. Additional elements M (Ti, Ni, Bi, V, Nb, Ta, Cr, Mo, W, Mn, Al, Sb, Ge, Sn, Zr, Hf) The process is applicable for anisotropic isotropic materials.
lens.org 参考文章(47)
R C Hazelton, R Prestipino, G C Hadjipanayis, K R Lawless, Investigation of Crystalline Iron-Platinum Nickel and Amorphous Rare Earth-Iron Alloys for Permanent Magnets. ,(1983)
N. E. Topp, The chemistry of the rare-earth elements ,(1965)
Norman C. Koon, Hard magnetic alloys of a transition metal and lanthanide ,(1981)
H.H. Stadelmaier, N.A. Elmasry, S. Cheng, Cobalt-free and samarium-free permanent magnet materials based on an iron-rare earth boride Materials Letters. ,vol. 2, pp. 169- 172 ,(1983) , 10.1016/0167-577X(83)90062-9
J. J. Croat, Preparation and coercive force of melt‐spun Pr‐Fe alloys Applied Physics Letters. ,vol. 37, pp. 1096- 1098 ,(1980) , 10.1063/1.91885
L. Kabacoff, S. Dallek, C. Modzelewski, W. Krull, Thermal and magnetic properties of amorphous Prx(Fe0.8B0.2)1−x Journal of Applied Physics. ,vol. 53, pp. 2255- 2257 ,(1982) , 10.1063/1.330791
N. C. Koon, B. N. Das, J. A. Geohegan, D. W. Forester, Rare‐earth transition metal exchange interactions in amorphous (Fe0.82B0.18)0.9RxLa0.1−x alloys Journal of Applied Physics. ,vol. 53, pp. 2333- 2334 ,(1982) , 10.1063/1.330810
J.E. Greedan, V.U.S. Rao, An analysis of the rare earth contribution to the magnetic anisotropy in RCo5 and R2Co17 compounds Journal of Solid State Chemistry. ,vol. 6, pp. 387- 395 ,(1973) , 10.1016/0022-4596(73)90228-4
Norman C. Koon, Preparation of hard magnetic alloys of a transition metal and lanthanide ,(1989)
A. L. ROBINSON, Powerful New Magnet Material Found: Several groups in Japan and the United States independently hit upon the same iron-based compound, which is already going to market. Science. ,vol. 223, pp. 920- 922 ,(1984) , 10.1126/SCIENCE.223.4639.920