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Authors: M.A.F. Ramalho, Normanda Lino de Freitas, Ana Cristina Figueiredo de Melo Costa, Hélio Lucena Lira, Heloysa Martins Carvalho Andrade, Lucianna Gama
Abstract:The addition of zirconia to alumina can improve the chemical properties, mechanical stability, acidity and surface area of alumina. The aim...
750
Authors: H.N. Yoshimura, André Luiz Molisani, C. Fredericci, K.S. de Oliveira, A.C.L. Weber, A.L.M. Martins
Abstract:Potassium hexa and octatitanate fibers have been proposed as reinforcement for friction materials. The aim of this work was to establish a...
755
Authors: Katia C.S. Richetto, Cosme Roberto Moreira Silva
Abstract:Silicon Nitride is considered as an important material for use in structural applications. Its performance is severely influenced by modern...
760
Authors: K.L. Silva, L.O. Bernardi, Makoto Yokoyama, Vania Trombini, Carlos Alberto Alves Cairo, Elíria Maria Jesus Agnolon Pallone
Abstract:The addition of nanometric particles of a second phase into ceramics matrix is one of the most recent alternatives in the development of...
766
Authors: Chieko Yamagata, João B. Andrade, Valter Ussui, Nelson Batista de Lima, José Octavio Armani Paschoal
Abstract:Zircon sand was reacted with liquid caustic soda (50% NaOH) in open vessel at 600 oC for 2h. The effect of NaOH/ZrSiO4 reactant ratio on the...
771
Authors: Walter Kenji Yoshito, Marcos A. Scapin, Valter Ussui, Dolores Ribeiro Ricci Lazar, José Octavio Armani Paschoal
Abstract:Nickel oxide-yttria stabilized zirconia (NiO-YSZ) anode materials were synthesized by combustion process involving metal nitrate-urea...
777
Authors: F.R.G. Melo, Marcos A.S. Barrozo, Carlos Henrique Ataíde
Abstract:Some authors showed that the results obtained for the movement of particle fall in liquids could not be extended to describe the rising of...
785
Authors: M.A.F. Monteiro, A.P. Ribeiro, A.T. Machado, S.M. Toffoli, Guillermo Ruperto Martín-Cortés, Helio Wiebeck, Francisco Rolando Valenzuela-Díaz
Abstract:Bentonites have been used for several purposes, due to their excellent physical, chemical, and structural properties. The main applications...
791
Authors: Maria Isabel Brasileiro, Romualdo Rodrigues Menezes, M.O. Farias, Hélio Lucena Lira, Gelmires Araújo Neves, Lisiane Navarro de Lima Santana
Abstract:Mullite is a versatile material used in traditional and advanced ceramic, due to low thermal expansion, high thermal shock and creep...
799
Authors: R.C. Santana, A.C.C. Farnese, S.P. Ceolin, R.C. Domingues, M.C.B. Fortes, Carlos Henrique Ataíde, Marcos A.S. Barrozo
Abstract:Today, the phosphate rock processed in the world represents around some 20 billion dollars per year. Some exploitable deposits are...
805
Showing 131 to 140 of 158 Paper Titles