R
Rosana Zacarias Domingues
Researcher at Universidade Federal de Minas Gerais
Publications - 70
Citations - 1372
Rosana Zacarias Domingues is an academic researcher from Universidade Federal de Minas Gerais. The author has contributed to research in topics: Magnetite & Nanoparticle. The author has an hindex of 21, co-authored 69 publications receiving 1168 citations.
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Microstructural and mechanical study of zirconia-hydroxyapatite (ZH) composite ceramics for biomedical applications
TL;DR: In this paper, two series of zirconia-hydroxyapatite composites, Z4H6 and Z6H4 with 40 and 60 vol.% of the ZIRconia content respectively, were prepared by powder uniaxial pressing at 700 MPa and sintering in air at 1200-1500°C for 3 h.
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Synthesis and characterization of magnetic nanoparticles coated with silica through a sol-gel approach
TL;DR: In this paper, the influence of reaction medium pH on silica-coating of magnetite nanoparticles was investigated by means of reduction-precipitation method using ferric chloride as a starting material, which was partially reduced to ferrous salts by Na2SO3 before alkalinizing with ammonia.
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SOFC-APU systems for aircraft: A review
Miranda Fernandes,S.T. de P. Andrade,V.N. Bistritzki,Rui Fonseca,L.G. Zacarias,H.N.C. Gonçalves,A.F. de Castro,Rosana Zacarias Domingues,Tulio Matencio +8 more
TL;DR: It is concluded that the most viable short-term applications appear to be unmanned units, particularly because of security issues and low technology maturity, and in the long term, applications for fully electric aircraft and clean fuels will certainly be the focus of larger aircraft manufacturers.
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pH effect on the synthesis of magnetite nanoparticles by the chemical reduction-precipitation method
Ângela Leão Andrade,D. M. Souza,Márcio C. Pereira,José Domingos Fabris,Rosana Zacarias Domingues +4 more
TL;DR: In this article, the influence of the pH on the chemical properties of synthesized magnetic nanocomposites was investigated. Saturation magnetization measurements evidenced a marked difference of the magnetic behavior of samples, depending on the final pH of the solution after reaction.
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Grain boundary blocking effect in tetragonal yttria stabilized zirconia
TL;DR: In this article, samples of yttria stabilized tetragonal zirconia, with different grain sizes have been synthesized and the features of their grain boundary blocking effect are compared to those of YSZ samples of similar purity.