Dilatometric behavior and microstructure of sintered Fe–NbC and Fe–TaC composites

Martinelli, Antonio Eduardo; Paulo, Domingos Sávio de Araújo; Nascimento, Rubens Maribondo do; Távora, Michele Portela; Gomes, Uílame Umbelino; Alves Júnior, Clodomiro

Dilatometric behavior and microstructure of sintered Fe–NbC and Fe–TaC composites

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dc.contributor.author	Martinelli, Antonio Eduardo
dc.contributor.author	Paulo, Domingos Sávio de Araújo
dc.contributor.author	Nascimento, Rubens Maribondo do
dc.contributor.author	Távora, Michele Portela
dc.contributor.author	Gomes, Uílame Umbelino
dc.contributor.author	Alves Júnior, Clodomiro
dc.date.accessioned	2021-04-14T13:16:51Z
dc.date.available	2021-04-14T13:16:51Z
dc.date.issued	2006-12-16
dc.description.resumo	Fe-reinforced composites were manufactured by the addition of 10–20 wt.% NbC or TaC particles aiming at improved mechanical and wear behavior. Two varieties of Fe powders from Hoeganaes Corp. were used, Ancorsteel 1000B and 45P. Composites produced using the former variety included a small amount of Fe3P to induce liquid-phase sintering whereas 45P powder was pre-alloyed with P by the manufacturer. The hardness of the matrix was adjusted adding carbon to the composite mixture. The powders were milled for different times and annealed prior to pressing. A dilatometric study was carried out under hydrogen to establish optimum sintering profiles. Relative densities up to 97% TD were achieved. Both microstructure and density of the sintered pellets were evaluated in order to establish correlations involving composition, processing parameters and microstructure of the composite	pt_BR
dc.identifier.citation	MARTINELLI, A. E.; PAULO, Domingos Sávio de Araújo ; NASCIMENTO, Rubens Maribondo do; TÁVORA, Michele Portela ; GOMES, Uílame Umbelino ; ALVES JÚNIOR, Clodomiro. Dilatometric behavior and microstructure of sintered Fe-NbC and Fe-TaC composites. Journal of Materials Science, v. 42, p. 314-319, 2007. Disponível em: https://link.springer.com/article/10.1007%2Fs10853-006-1018-3Acesso em: 16 nov. 2020. DOI 10.1007/s10853-006-1018-3	pt_BR
dc.identifier.doi	10.1007/s10853-006-1018-3
dc.identifier.issn	1573-4803
dc.identifier.issn	0022-2461
dc.identifier.uri	https://repositorio.ufrn.br/handle/123456789/32201
dc.language	en	pt_BR
dc.publisher	Springer	pt_BR
dc.rights	Attribution 3.0 Brazil	*
dc.rights.uri	http://creativecommons.org/licenses/by/3.0/br/	*
dc.subject	Fe-reinforced	pt_BR
dc.subject	Dilatometric	pt_BR
dc.title	Dilatometric behavior and microstructure of sintered Fe–NbC and Fe–TaC composites	pt_BR
dc.type	article	pt_BR