Zobrazeno 1 - 10
of 192
pro vyhledávání: '"R.H.G.A. Kiminami"'
Publikováno v:
Arabian Journal of Chemistry, Vol 13, Iss 1, Pp 3026-3042 (2020)
Magnetic nanoparticles (MNP) of Ni0.5Zn0.5Fe2O4, successfully synthesized by combustion reaction, with special differential in the production, starting from the scale of 10 g/production to a pilot-scale reproducibility of up to 200 g/production, were
Externí odkaz:
https://doaj.org/article/3421a36966264ec69e2c9fa3811e5132
Publikováno v:
Boletín de la Sociedad Española de Cerámica y Vidrio, Vol 56, Iss 1, Pp 13-18 (2017)
Preventing the formation of the pyrochlore phase in the synthesis of PZN-PT powders requires controlling calcination parameters such as temperature, soaking time and atmosphere. These parameters were examined extensively to determine the time and tem
Externí odkaz:
https://doaj.org/article/aceb8cb560e94620820881f6b6c0d968
Akademický článek
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Publikováno v:
Ceramics International. 44:4126-4131
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1b774cb462c3aa7c1d68a1b6071a2e85
https://doi.org/10.1016/j.ceramint.2017.11.213
https://doi.org/10.1016/j.ceramint.2017.11.213
Akademický článek
Tento výsledek nelze pro nepřihlášené uživatele zobrazit.
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Autor:
Gelmires de Araújo Neves, Heber Carlos Ferreira, P. M. Souto, Romualdo Rodrigues Menezes, R.H.G.A. Kiminami, Lisiane Navarro de Lima Santana
Publikováno v:
Cerâmica. 55:163-169
O Estado da Paraíba possui jazidas de bentonitas utilizadas comercialmente em uma vasta gama de setores tecnológicos. No entanto, esses jazimentos estão se exaurindo após dezenas de anos de exploração. Assim, este trabalho tem por objetivo a ca
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c72c7a75498fc812ef5acd516a6aa392
https://doi.org/10.1590/s0366-69132009000200008
https://doi.org/10.1590/s0366-69132009000200008
Publikováno v:
Journal of Materials Processing Technology. 203:513-517
This work involved an investigation of microwave hybrid fast firing of alumina–zirconia nanocomposites aimed at suppressing grain growth, using commercial alumina powder and yttria-stabilized zirconia powder. The nanocomposites studied here contain
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6ec73e181373dff14b81d51d7793dd36
https://doi.org/10.1016/j.jmatprotec.2007.10.057
https://doi.org/10.1016/j.jmatprotec.2007.10.057
Autor:
Daniel Reinaldo Cornejo, A.G.B. de Melo, R.H.G.A. Kiminami, A.A. Costa, Ana C. Costa, Lucianna Gama, A.P.A. Diniz
Publikováno v:
Journal of Magnetism and Magnetic Materials. 320:742-749
Ni–Zn ferrites have been widely used in components for high-frequency range applications due to their high electrical resistivity, mechanical strength and chemical stability. Ni–Zn ferrite nanopowders doped with samarium with a nominal compositio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2acc33d1bbdcd4f0ce3ff23aa2c5ff61
https://doi.org/10.1016/j.jmmm.2007.08.011
https://doi.org/10.1016/j.jmmm.2007.08.011
Autor:
Heber Sivini Ferreira, A.M.D. Leite, R.H.G.A. Kiminami, Ana C. Costa, Lucianna Gama, Sergio Cava
Publikováno v:
Journal of the European Ceramic Society. 28:2033-2037
The purpose of the present work was to prepare nanometric brown pigments spinel (Zn1−xNix)Fe2O4 (with x = 0, 0.5 and 1 mol of the Ni2+) structures by combustion reaction and characterize the resulting powders. The compositions were prepared by a si
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b52f8f483de238d3db7e2b33427688c9
https://doi.org/10.1016/j.jeurceramsoc.2007.12.039
https://doi.org/10.1016/j.jeurceramsoc.2007.12.039
Publikováno v:
Journal of Materials Processing Technology. 190:223-229
Microwave heating offers many advantages over conventional heating methods, such as saving energy, very rapid heating rates and considerably reduced processing times. However, few studies have used microwave energy to sinter traditional ceramics. Thu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::414b4a6ceb35a3b38ef0338c42792ca6
https://doi.org/10.1016/j.jmatprotec.2007.02.041
https://doi.org/10.1016/j.jmatprotec.2007.02.041