Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/96064
Type: Artigo de periódico
Title: Oxygen Absorption By The Fe17sm2 Phase
Author: Gama S.
Colucci C.C.
Ribeiro C.A.
Sanjurjo N.L.
Campos C.
de Morais E.
Abstract: The results of oxygen absorption in temperatures ranging from 200 to 500 °C are reported. It was observed that the oxygen saturation limit is temperature dependent, being of 3 atoms per formula unit (at/fu) at 200 °C, 12.8 at/fu at 300 °C, 20.3 at/fu at 400 °C and 28.5 at/fu at 500 °C. This implies that above 200 °C the phase is deeply altered by oxygen absorption. Samples with absorption at 200 °C were studied as prepared and heat treated at 500 °C/40h. The results show that the heat treated samples consist of Fe17Sm2, Fe and Sm2O3. Metallographic examination and susceptibility data support the hypothesis that the as prepared samples consist of a mixture of Fe17Sm2 and interstitial Fe17Sm2O3.
Editor: IEEE, Piscataway, NJ, United States
Rights: fechado
Identifier DOI: 10.1109/20.489749
Address: http://www.scopus.com/inward/record.url?eid=2-s2.0-0029403799&partnerID=40&md5=18ea615888d0d0c9d3828da3cae5c65a
Date Issue: 1995
Appears in Collections:Unicamp - Artigos e Outros Documentos

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