Metal bonded Sm/sub 2/Fe/sub 17/C/sub x/ permanent magnets

Paulo A.P. Wendhausen; Bo-Ping Hu; B. Gebel; D. Eckert; A. Handstein; Karin H. Müller

doi:10.1109/20.312351

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Metal bonded Sm/sub 2/Fe/sub 17/C/sub x/ permanent magnets

Paulo A.P. Wendhausen Bo-Ping Hu B. Gebel D. Eckert A. Handstein Karin H. Müller

Year: 1994 Journal: IEEE Transactions on Magnetics Vol: 30 (2)Pages: 610-612 Publisher: IEEE Magnetics Society

DOI: 10.1109/20.312351

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Abstract

Sm/sub 2/Fe/sub 17/ carbides were prepared by arc-melting and gas-solid reaction (GSR). Zn-bonding was investigated as a means of developing coercivity on these carbides. Positive results, were found by Zn-bonding carbides prepared by GSR where coercivities up to 0.9 T could be achieved after a proper heat-treatment. The /spl alpha/-Fe originated due to disproportionation seems to be one primary hindrance for achieving coercivity values as high as for Zn-bonded nitrides. The effect of heat treatment conditions and Zn-content on the development of coercivity in Sm/sub 2/Fe/sub 17/ carbides is discussed and compared to results on nitrides.< >

Keywords:

Coercivity Carbide Disproportionation Materials science Nitride Metal Magnet Metallurgy Analytical Chemistry (journal) Condensed matter physics Nanotechnology Chemistry Organic chemistry Physics

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Magnetic Properties of Alloys

Physical Sciences → Materials Science → Electronic, Optical and Magnetic Materials

Metallurgical and Alloy Processes

Physical Sciences → Materials Science → General Materials Science

Rare-earth and actinide compounds

Physical Sciences → Physics and Astronomy → Condensed Matter Physics

Metal bonded Sm/sub 2/Fe/sub 17/C/sub x/ permanent magnets

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