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Study of thermal decomposition mechanism of the Fe17Sm 2N3 phase

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6 Author(s)
Cabral, F.A.O. ; Dept. de Fisica, Universidade Federal do Rio Grande do Norte, Natal, Brazil ; Gama, S. ; de Morais, E. ; Sanjurjo, N.L.
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We studied the high temperature decomposition mechanism for the Fe 17Sm2N phase using several different experimental techniques, as thermomagnetic and thermogravimetric analyses. Our results show that the decomposition occurs in a two step scheme. In the first reaction we hare the formation of SmN and a solid solution of nitrogen in iron. In the second step, this solid solution degases, and we observe the evolution of nitrogen over a broad temperature range

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Magnetics, IEEE Transactions on  (Volume:32 ,  Issue: 5 )