Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Claudia Patricia Fernández Perdomo"'
Publikováno v:
Revista Facultad de Ingeniería Universidad de Antioquia, Iss 56, Pp 9-19 (2010)
En este trabajo se sintetizaron polvos cerámicos de titanato de bario (BaTiO3) mediante dos métodos químicos, coprecipitación y precursor polimérico (Pechini). Estos métodos, altamente reproducibles y confiables, permitieron obtener partículas
Externí odkaz:
https://doaj.org/article/78e99cd12bad4e5ea452691b9527547f
Publikováno v:
Revista Facultad de Ingeniería Universidad de Antioquia, Iss 56 (2013)
In this work ceramic powders of barium titanate (BaTiO3) were synthesized by two chemical methods: coprecipitation and polymeric precursor (Pechini). These methods, highly reproducible and reliable, allowed to obtain nanosized BaTiO3 particles (
Externí odkaz:
https://doaj.org/article/916de017b91149859f5c340365181002
Publikováno v:
Ceramics International. 46:28546-28560
The aim of this paper was to study the densification kinetics of nano-hematite using a microwave assisted dilatometry at 2.45 GHz and kinetics models as an approximation to understand the sintering behavior using microwave heating. A horizontal dilat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::217ee289c0e8bab0b7f21f9b096f3386
https://doi.org/10.1016/j.ceramint.2020.08.012
https://doi.org/10.1016/j.ceramint.2020.08.012
Autor:
André L.F. Cardoso, Claudia Patricia Fernández Perdomo, Igor C. Cancellieri, Ruth H.G.A. Kiminami, Rodolfo F.K. Gunnewiek
Publikováno v:
Ceramics International. 46:15044-15053
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 distributed between Bi2O3, Sb2O3 and nanostructured Mn3O4 and CuO was added to nanostructured Z
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::53406839033b6374350ab017c78bb832
https://doi.org/10.1016/j.ceramint.2020.03.035
https://doi.org/10.1016/j.ceramint.2020.03.035
Publikováno v:
Ceramics International. 45:7906-7915
This paper analyzes the ultrarrapid microwave sintering process versus the conventional sintering process of the nanocrystalline composite (1-x)PMN-PT/(x)CoFe2O4, synthetized by the polymeric precursor method based on the novel one pot methodology ai
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0e8b1028b6228e321d024d00ba8d6b6d
https://doi.org/10.1016/j.ceramint.2019.01.101
https://doi.org/10.1016/j.ceramint.2019.01.101
Autor:
Ruth Herta Goldsmith Aliaga Kiminami, Claudia Patricia Fernández Perdomo, Ducinei Garcia, F. L. Zabotto
Publikováno v:
International Journal of Applied Ceramic Technology. 16:2073-2084
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8bd0a5dfc1ec19d746492bc4d6190121
https://doi.org/10.1111/ijac.13200
https://doi.org/10.1111/ijac.13200
Autor:
Gislayne Rayane Alves da Silva, Claudia Patricia Fernández Perdomo, Ruth Herta Goldschmidt Aliaga Kiminami, Rodolfo F.K. Gunnewiek
Publikováno v:
Materials Chemistry and Physics. 277:125494
The 0.94(Na0.5Bi0.5)TiO3-0.06BaTiO3 (NBT-BT6) system is a promising lead-free piezoelectric material with excellent piezo and ferroelectric properties. In this paper, the systematic study of crystallization kinetics and structural characterization of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::327f78ff08f917345b51f8eb3e783391
https://doi.org/10.1016/j.matchemphys.2021.125494
https://doi.org/10.1016/j.matchemphys.2021.125494
Autor:
Marina Magro Togashi, Ruth H.G.A. Kiminami, Rodolfo F.K. Gunnewiek, Ariane Vilca Suárez, Claudia Patricia Fernández Perdomo
Publikováno v:
The Journal of Engineering and Exact Sciences, Vol 3, Iss 8, Pp 1131-1135 (2017)
The Journal of Engineering and Exact Sciences; Vol. 3 No. 8 (2017); 1131-1135
The Journal of Engineering and Exact Sciences; Vol. 3 Núm. 8 (2017); 1131-1135
The Journal of Engineering and Exact Sciences; v. 3 n. 8 (2017); 1131-1135
The Journal of Engineering and Exact Sciences
Universidade Federal de Viçosa (UFV)
instacron:UFV
The Journal of Engineering and Exact Sciences; Vol. 3 No. 8 (2017); 1131-1135
The Journal of Engineering and Exact Sciences; Vol. 3 Núm. 8 (2017); 1131-1135
The Journal of Engineering and Exact Sciences; v. 3 n. 8 (2017); 1131-1135
The Journal of Engineering and Exact Sciences
Universidade Federal de Viçosa (UFV)
instacron:UFV
Pós de ferrita de bismuto (BiFeO3) foram sintetizados com sucesso mediante o método do precursor polimérico modificado, utilizando como agente quelante, ácido poliacrílico de peso molecular 1800. A morfologia e a estrutura cristalina dos pós ob
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ea69c32aebeca3056fb1acfdacf9b045
https://periodicos.ufv.br/ojs/jcec/article/view/2426
https://periodicos.ufv.br/ojs/jcec/article/view/2426
Autor:
André L.F. Cardoso, Claudia Patricia Fernández Perdomo, Rodolfo F.K. Gunnewiek, Ruth H.G.A. Kiminami
Publikováno v:
Materials Letters. 285:129175
In this work, nanostructured single phase high entropy oxide was easily synthesized by a fast polymeric solution method. Despite the higher ionic radius, coordination and oxidation state, gadolinium was homogeneously distributed in crystallites. Thei
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::87c1c024280f3c49a5441caf1d54eb69
https://doi.org/10.1016/j.matlet.2020.129175
https://doi.org/10.1016/j.matlet.2020.129175
Autor:
A.V. Suarez, Rodolfo F.K. Gunnewiek, Claudia Patricia Fernández Perdomo, Ruth H.G.A. Kiminami
Publikováno v:
Journal of Alloys and Compounds. 849:156564
The main obstacle in synthesizing bismuth ferrite is the presence of secondary phases. This paper presents the results of the effect of an unusual chelating agent (polyacrylic acid) on the synthesis of pure and very crystalline BiFeO3 (BFO) nanoparti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::90a9e2e004ac83da8bbf7877bb29e579
https://doi.org/10.1016/j.jallcom.2020.156564
https://doi.org/10.1016/j.jallcom.2020.156564