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Sinterização de aço inoxidável reforçado com partículas nanométricas dispersas de carbeto de nióbio - NbC
(Universidade Federal do Rio Grande do NorteBRUFRNPrograma de Pós-Graduação em Ciência e Engenharia de MateriaisProcessamento de Materiais a partir do Pó; Polímeros e Compósitos; Processamento de Materiais a part, 2007-09-28)
Metal powder sintering appears to be promising option to achieve new physical and mechanical properties combining raw material with new processing improvements. It interest over many years and continue to gain wide industrial ...
Partículas nanométricas de ferritas de ítrio
(Sociedade Brasileira de Química, 1999-12-01)
Nanoparticles of yttrium iron garnet (YIG) were obtained by coprecipitation. The particles were prepared by hydrolysis in acid medium with addition of ammonia or urea, for homogeneous nucleation, at 90ºC. Different ...
Partículas nanométricas de ferritas de ítrio
(Sociedade Brasileira de Química, 1999-12-01)
Nanoparticles of yttrium iron garnet (YIG) were obtained by coprecipitation. The particles were prepared by hydrolysis in acid medium with addition of ammonia or urea, for homogeneous nucleation, at 90ºC. Different ...
Síntesis y caracterización de -alúmina nanometrica
(Universidad Nacional de Colombia, 2010)
Partículas nanométricas de alúmina fueron sintetizadas mediante rutas de química coloidal, partiendo de hidróxido de aluminio, ácido fórmico y etanol como solvente. Se evaluó el efecto del medio de reacción, el tiempo de ...
Análise estrutural e morfológica de ferrita NiFe2O4 dopada com cromo
(2011)
This paper reports on the effect of the substitution of Fe3+ for Cr3+ ions in the spinel lattice of the powders was investigated. Nickel ferrite powders with a NiFe2-xCrxO4 nominal composition (x = 0.0; 0.5; 1.0 and 1.5 ...
Síntese e caracterização de nanopartículas de TiO2 pelo método do precursor polimérico
(Universidade Federal de São CarlosBRUFSCarPrograma de Pós-Graduação em Engenharia Química - PPGEQ, 2010-03-26)
Currently, scientific research in the field of nanotechnology has attracted growing interest because of its several applications, either through design of new products, materials characterization, production and application ...