Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/100798
Type: Artigo de periódico
Title: A Mössbauer Study Of Plasma Nitrided Iron
Author: Cabral F.A.O.
De Araujo J.H.
Araujo R.C.
Gama S.
Abstract: Iron powder has been nitrided in a glow discharge plasma of a mixture of nitrogen and hydrogen, in order to verify the existence of a metastable iron nitrogen solid solution, previously observed from the Sm2Fe 17N3 phase decomposition process. Our results show that, for short nitridation times, we obtain a mixture of Fe4N, a small amount of α-Fe and an iron nitrogen solid solution the amount of which increases after heat-treatment at 610°C. This iron nitrogen solid solution is characterized by Mössbauer spectroscopy which shows a typical α-Fe spectrum, but with lower hyperfine field and broader linewidth. TMA measurements show that the Curie temperature is similar to that of α-Fe. © 1998 American Institute of Physics.
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Rights: aberto
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Address: http://www.scopus.com/inward/record.url?eid=2-s2.0-33847341932&partnerID=40&md5=b891afbaeb2970b1a2b877fb8a74234d
Date Issue: 1998
Appears in Collections:Unicamp - Artigos e Outros Documentos

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