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New processing method for the preparation of interstitially modified Sm-Fe intermetallics.

Identyfikatory
Warianty tytułu
Konferencja
XV Physical Metallurgy and Materials Science Conference on Advanced Materials & Technologies AMT'98, Kraków-Krynica, Poland, 17-21 May, 1998
Języki publikacji
EN
Abstrakty
EN
Sm2Fe17-nitrides and Sm2Fe-17-carbonitrides, which have the rhombohedral Th2Zn17 type structure have been synthesized and studied by XRD, SEM and magnetometry. A coercivity of 2.1 MA m -1 has been obtained for Sm2Fe17N-3 powder prepared by HEBM, and a simple one-step mechanical grinding of Sm2Fe17, with organic ring compounds has been used to produce an anisotropic powder. This study demonstrates that formation of an anisotropic Sm2Fe17(C,N)x powders by mechanochemical reaction between Sm2Fe17 and organic ring compounds has a significant potential for the synthesis of powders in an economic method. These materials show intrinsic coercivities, JHc up to 0.55 MA m-1 at room temperature.
Rocznik
Strony
827--831
Opis fizyczny
Bibliogr. 7 poz., tab., rys.
Twórcy
  • Institute of Materials Science and Engineering, Poznań University of Technology
autor
  • Institute of Materials Science and Engineering, Poznań University of Technology
  • Poznań University of Technology, Institute of Materials Science Engineering
Bibliografia
  • [1] J.M.D. Coey, J. Magn. Magn. Mat., 140-144 (1995) 1041.
  • [2] C.N. Christodoulou and T. Takeshita, J. Alloys Comp., 198 (1993) 1.
  • [3] M. Jurczyk, J. Alloys Comp., 235 (1996) 232.
  • [4] L. Schultz, K. Schnitzke, J. Wecker, M. Katter and C. Kurth, J. Appl. Phys. 70 (1991) 6339.
  • [5] M. Katter, J. Wecker and L. Schultz, J. Appl. Phys. 70 (1991) 3188.
  • [6] N.M. Dempsey, P.A.P. Wendhausen, B. Gebel, K.-H. Müller and J.M.D. Coey, J. Magn. Magn. Mat. 157/158 (1996) 99.
  • [7] K. Majima, M. Ito, S. Katsuyama and H. Nagai, J. Appl. Phys. 81 (1997) 4536.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BOS1-0006-0077
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