Search Results - "Kiminami, Ruth H.G.A."

Effect of heating rate on microwave sintering of nanocrystalline zinc oxide by Gunnewiek, Rodolfo F.K., Kiminami, Ruth H.G.A.

“…In this study, the effect of heating rates on microwave sintered ZnO was investigated at heating rates ranging from 50 to 100°C/min. The relative density and…”
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Microwave hybrid fast sintering of porcelain bodies by Menezes, Romualdo R., Souto, Pollyane M., Kiminami, Ruth. H.G.A.

“…Microwave heating offers many advantages over conventional heating methods, such as saving energy, very rapid heating rates and considerably reduced processing…”
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Catalytic performance of NiFe2O4 and Ni0.3Zn0.7Fe2O4 magnetic nanoparticles during biodiesel production by Mapossa, António B., Dantas, Joelda, Silva, Manoel R., Kiminami, Ruth H.G.A., Costa, Ana Cristina F.M., Daramola, Michael O.

“…•NiFe2O4 and Ni0.3Zn0.7Fe2O4 magnetic nanoparticles were successfully synthesized via combustion reaction.•Structural, morphology and magnetism of the…”
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Enhancing the stabilization of nanostructured rocksalt-like high entropy oxide by Gd addition by Cardoso, André L.F., Perdomo, Claudia P.F., Kiminami, Ruth H.G.A., Gunnewiek, Rodolfo F.K.

“…[Display omitted] •Nanostructured single phase high entropy oxide (HEOx) was easily synthesized by a fast polymeric solution method.•Gadolinium enhanced the…”
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Effect of the Heating Rate and Processing Time on Grain Growth of Hematite Nanopowders in Conventional and Microwave-Assisted Sintering by Togashi, Marina Magro, Perdomo, Claudia Patricia Fernandez, Kiminami, Ruth H.G.A.

“…Microwave-assisted sintering of ceramic materials has proven to be a very favorable processing technique that can promote lower grain growth and densification…”
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In situ sol–gel co-synthesis under controlled pH and microwave sintering of PZT/CoFe2O4 magnetoelectric composite ceramics by Fernández, Claudia P., Zabotto, Fabio L., Garcia, Ducinei, Kiminami, Ruth H.G.A.

“…This paper describes a novel sol–gel route for the in situ synthesis of heterostructure materials, and discusses the effects of two different pH levels on the…”
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In situ sol-gel co-synthesis at as low hydrolysis rate and microwave sintering of PZT/Fe2CoO4 magnetoelectric composite ceramics by Fernández, Claudia P., Zabotto, Fabio L., Garcia, Ducinei, Kiminami, Ruth H.G.A.

“…Pb(Zr0.53Ti0.47)O3/Fe2CoO4 (PZT/Fe2CoO4) diphase particulate composites were prepared in an 80:20M ratio by the in situ sol-gel co-synthesis method…”
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Microwave synthesis of ultra-high temperature ceramic ZrC nanopowders by Yasnó, Juan P., Gunnewiek, Rodolfo F.K., Kiminami, Ruth H.G.A.

“…[Display omitted] •Microwave synthesis of UHTC is a promising route to prepare crystalline ZrC.•Efficient route to obtained ZrC nanopowders (<100 nm) and…”
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In situ sol-gel co-synthesis at as low hydrolysis rate and microwave sintering of PZT/Fe 2 CoO 4 magnetoelectric composite ceramics by Fernández, Claudia P., Zabotto, Fabio L., Garcia, Ducinei, Kiminami, Ruth H.G.A.

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Evaluation of the catalytic effect of ZnO as a secondary phase in the Ni0.5Zn0.5Fe2O4 system and of the stirring mechanism on biodiesel production reaction by Farias, Ana F.F., de Araújo, Deisy T., da Silva, Adriano L., Leal, Elvia, Pacheco, José G.A., Silva, Manoel R., Kiminami, Ruth H.G.A., Costa, Ana C.F. de M.

“…In search of efficient ways to produce biodiesel under environmentally friendly conditions, catalytic reactions have been explored with emphasis on replacing…”
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In situ sol–gel co-synthesis under controlled pH and microwave sintering of PZT/CoFe 2 O 4 magnetoelectric composite ceramics by Fernández, Claudia P., Zabotto, Fabio L., Garcia, Ducinei, Kiminami, Ruth H.G.A.

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Combustion Synthesis of Nanopowder Ceramic Powders by Kiminami, Ruth H.G.A.

“…The combustion process is an important powder preparation process by which several hundred compounds may be prepared. The process is, in the simplest sense,…”
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Obtención de polvos cerámicos de BNKT-KNN por el método Pechini by Yasnó, J. P., Tirado-Mejia, L., Kiminami, Ruth H.G.A., Gaona J., Sonia, Raigoza, C. F.V.

“…Pechini method was used in order to obtain fine ceramic and single-phase powders for a lead-free ferroelectric system…”
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Multiferroic properties of lead-free magnetoelectric composites (1-X)BZT/(X)CFO synthesized by one-pot microwave-assisted Pechini method by Caminata, Laís P., Perdomo, Claudia P.F., Zabotto, Fábio L., Kiminami, Ruth H.G.A., Eiras, José A.

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Al2O3/mullite/SiC powders synthesized by microwave-assisted carbothermal reduction of kaolin by FAGURY-NETO, Elias, KIMINAMI, Ruth H. G. A

“…Kaolin, a low cost aluminosilicate, was mixed with carbon black to achieve a precursor blend which was fired, broken in mortar, sieved and then reacted in a…”
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Two-step microwave sintering of nanostructured ZnO-based varistors by Gunnewiek, Rodolfo F.K., Kiminami, Ruth H.G.A.

“…ZnO is a versatile semiconductor material and is suitable for application in UV and gas sensors, photocatalysts, dye-sensitized solar cells, and in electronic…”
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Short time reaction synthesis of nano-hexagonal boron nitride by Yasnó, Juan P., Kiminami, Ruth H.G.A.

“…[Display omitted] •Nano h-BN was synthesized using boric acid, melamine and microwave energy.•Short reaction times only in 90 min.•A relatively low temperature…”
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Effect of microwave heating during evaporation solvent and polymeric precursor formation in synthesis of BaZr0.08Ti0.92O3 nanopowders by Caminata, Laís P., Perdomo, Claudia P.F., Kiminami, Ruth H.G.A.

“…The aim of this study was to verify the effect caused by microwave-assisted heating used during evaporation solvent and polymeric resin formation in the…”
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Microwave sintering of a nanostructured low-level additive ZnO-based varistor by Gunnewiek, Rodolfo F.K., Perdomo, Claudia P.F., Cancellieri, Igor C., Cardoso, André L.F., Kiminami, Ruth H.G.A.

“…A simple and promising varistor with low additive level was obtained by rapid microwave sintering. In the present work, only 2%-mol of oxides, equimolarly…”
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Fast synthesis of porous chromium carbide by microwave-assisted carbothermal reduction by Gunnewiek, Rodolfo F.K., Kiminami, Ruth H.G.A.

“…This work reports the preliminary synthesis of porous chromium carbide by microwave-assisted carbothermal reduction of simple reactants, Cr2O3 and carbon…”
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