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Authors: S.C. Silva, Eliner Affonso Ferreira, Rubens Nunes de Faria, Hidetoshi Takiishi
Abstract:Pr14FebalCoxB6Nb0.1 magnets have been produced using the hidrogenation disproportionation desorption recombination (HDDR) process. The...
108
Authors: E.A. Périgo, E.P. Soares, Hidetoshi Takiishi, C.C. Motta, Rubens Nunes de Faria
Abstract:Roller-ball milling (RBM) or planetary ball milling (PBM) have been used together with the hydrogen decrepitation (HD) process to produce...
114
Authors: Valmir José da Silva, P.T.A. Santos, Lucianna Gama, Ruth Herta Goldsmith Aliaga Kiminami, Daniel R. Cornejo, A. Azevedo, Ana Cristina Figueiredo de Melo Costa
Abstract:This work involved a morphological, microstructural and magnetic characterization of nanosized powders and sintered samples of Ni-Zn ferrite...
120
Authors: Vera Lúcia Othéro de Brito, Francisco Cristóvão Lourenço de Melo, Antônio Carlos da Cunha Migliano
Abstract:Ni-Zn ferrites are magnetic ceramics that are widely used in electric and electronic components. Among Ni1-xZnxFe2O4 ferrites,...
125
Authors: G.B. Pinto, S.R.S. Soares, Uilame Umbelino Gomes, Rubens Maribondo Nascimento, Antonio Eduardo Martinelli, José F. Silva
Abstract:High-energy milling has been used for production of nano-structured WC-Co powders. During the High-Energy Milling, the powders suffer severe...
131
Authors: Gilbert Silva, Erika Coaglia Trindade Ramos, Alfeu Saraiva Ramos
Abstract:This work discusses on the effect of milling parameters on the TiB and TiB2 formation in Ti-50at%B and Ti-66at%B powders, respectively. Both...
135
Authors: Y.A. Giffoni, Erika Coaglia Trindade Ramos, Hugo Ricardo Zschommler Sandim, M.T.T. Pacheco, Gilbert Silva, Alfeu Saraiva Ramos
Abstract:This work discusses on the structural evaluation of mechanically alloyed Ti-Nb powders. The Nb amount was varied between 20 and 50 wt-%. The...
141
Authors: Gilbert Silva, Erika Coaglia Trindade Ramos, N.S. da Silva, Alfeu Saraiva Ramos
Abstract:A large amount of the Ti6Si2B compound can be formed by mechanical alloying and subsequent heat treatment from the elemental...
147
Authors: Franciné Alves Costa, W.M. de Carvalho, A.G.P. Silva, Uilame Umbelino Gomes, José F. Silva, Francisco Ambrozio Filho
Abstract:W-Cu composite powders were prepared by high energy milling under two milling environments: cyclohexane and air. Composite particles are...
154
Authors: Valéria S. Gonçalves, Cláudio José da Rocha, Ricardo Mendes Leal Neto
Abstract:The behavior of different process control agents (PCAs) during mechanical activation of Nb75Al powder mixtures was investigated. Mechanical...
160
Showing 21 to 30 of 158 Paper Titles