Zobrazeno 1 - 10 of 18 pro vyhledávání: '"Mariana d'Orey Gaivão Portella Bragança"'
1
Akademický článek
Alkali-silica reaction (ASR) - Investigation of crystallographic parameters of natural sands by backscattered electron diffraction
Autor: Kleber Franke Portella, Leonardo Evangelista Lagoeiro, Jeferson Luiz Bronholo, Dayane de Cristo Miranda, Mariana D’Orey Gaivão Portella Bragança, Bruna Gomes Dias, Nicole Pagan Hasparyk, Selmo Chapira Kuperman
Publikováno v: Revista IBRACON de Estruturas e Materiais, Vol 14, Iss 3 (2021)
abstract: This study involved analyzing several natural sands to ascertain the possible causes for distress due to ASR. The analyses were performed using the following techniques: X-ray diffractometry, accelerated mortar bar tests (AMBT), electron ba
Externí odkaz: https://doaj.org/article/60b11be502a34fedb8c898246f31dead
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2
Akademický článek
Performance analysis and life-cycle assessment of energy distribution system insulators in aggressive environments
Autor: Érico Shooji Oliveira de Andrade Tanobe, Guilherme Silva Cunha, Mariana D'Orey Gaivão Portella Bragança, Kleber Franke Portella, Gilberto Teixeira Carrera
Publikováno v: LALCA, Vol 3, Iss 0, p e34687 (2019)
In this study, the energy distribution system was evaluated against the durability of materials and its environmental aspects, in relation to the life-cycle assessment (LCA) of electrical insulators of different technologies, analyzing individual per
Externí odkaz: https://doaj.org/article/11985213aa9c483a9bb6bdb5fbd358b7
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3
Akademický článek
Nanostructured Titanium Film Deposited by Pulsed Plasma Magnetron Sputtering (Pdms) on a High Voltage Ceramic Insulator for Outdoor Use
Autor: Kleber Franke Portella, Priscilla Mengarda, Mariana d'Orey Gaivão Portella Bragança, Sebastião Ribeiro Júnior, Jose Sergio Santos de Melo, Dailton Pedreira Cerqueira, Sidnei Antonio Pianaro, Maurício Marlon Mazur
Publikováno v: Materials Research, Vol 18, Iss 4, Pp 853-859 (2015)
In this study, the cold plasma technique was used to produce nanometric titanium films with hydrophobic and anti-fouling properties. The films where deposited on porcelain electrical insulators surfaces to minimize the effects of leakage current. The
Externí odkaz: https://doaj.org/article/e702f6f38bcb4e298ad850858a863330
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7
Alkali-silica reaction (ASR) - Investigation of crystallographic parameters of natural sands by backscattered electron diffraction
Autor: Mariana d’Orey Gaivão Portella Bragança, Selmo Chapira Kuperman, Kleber Franke Portella, Dayane de Cristo Miranda, Leonardo Evangelista Lagoeiro, Bruna Gomes Dias, Jeferson Luiz Bronholo, Nicole Pagan Hasparyk
Publikováno v: Revista IBRACON de Estruturas e Materiais, Vol 14, Iss 3 (2021)
Revista IBRACON de Estruturas e Materiais, Volume: 14, Issue: 3, Article number: e14308, Published: 19 MAR 2021
Revista IBRACON de Estruturas e Materiais v.14 n.3 2021
Revista IBRACON de Estruturas e Materiais
Instituto Brasileiro do Concreto (IBRACON)
instacron:IBRACON
This study involved analyzing several natural sands to ascertain the possible causes for distress due to ASR. The analyses were performed using the following techniques: X-ray diffractometry, accelerated mortar bar tests (AMBT), electron backscatteri
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d83b7a921a8ec6ce6b48fa00d0801ef2
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1983-41952021000300202&tlng=en
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8
The inhibitory and comparative effects of Zn-Al layered double hydroxide microcontainers intercalated with benzotriazole and nitrite for corrosion protection coatings on AISI 1010 carbon steel
Autor: Rafael Frasson Monteiro, Kleber Franke Portella, Gilberto Teixeira Carrera, Mariana d’Orey Gaivão Portella Bragança, Anelize Seniski
Publikováno v: Matéria (Rio de Janeiro) v.25 n.2 2020
Matéria (Rio de Janeiro. Online)
instacron:RLAM
The electrochemical impedance spectroscopy and the open circuit potential techniques were used to analyse coatings with layered double hydroxides intercalated with benzotriazole (BTA), nitrite (NO2), and a combination of the two. These materials were
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::807dedb232a1527a914de1a85f75e04e
https://doi.org/10.1590/s1517-707620200002.1064
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9
Estudo do desempenho do aço carbono AISI 1010 sob o efeito de barreira de revestimento epóxi/HDL-Zn-Al-NO2- como inibidor de corrosão, via espectroscopia de impedância eletroquímica
Autor: Kleber Franke Portella, Tassiane Apolinário de Oliveira, Anelize Seniski, Mariana d’Orey Gaivão Portella Bragança, Gilberto Teixeira Carrera
Publikováno v: Matéria (Rio de Janeiro) v.25 n.2 2020
Matéria (Rio de Janeiro. Online)
instacron:RLAM
Para estender a vida util de materiais metalicos dos artefatos das linhas de distribuicao e de transmissao de energia vem sendo estudado um cristal do tipo hidrotalcita que funciona como nanorreservatorio, para inibidores de corrosao. Os hidroxidos d
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9759ba26c708d96e140321d1b65373ed
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1517-70762020000200351
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10
Feasibility and Environmental Sustainability of a 103.5 kWp floating Photovoltaic Electrical System with a Case Study in a Hydroelectric Power Plant, Santa Clara Hpp, Located in the South of Brazil Region
Autor: Emerson Alberti, Marianne Schaefer França Sieciechowicz, Gelson Luiz Carneiro, Mariana d’Orey Gaivão Portella Bragança, Rodrigo Paludo, Júlio Werner Yoshioka Bernardo, Augustus Caeser Fr, Kleber Franke Portella, Nicole Machuca Brassac de Arruda
Publikováno v: International Journal of Advanced Engineering Research and Science. 5:17-27
Typical environmental problems associated with the implementation of solar photovoltaic systems for the generation of peak electrical energy, on a larger scale, such as on the order of 1 MWp, is in the occupied area, usually more than 3 km2. This can
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a4fa2fbb89e6c610ca771f252cf85a3d
https://doi.org/10.22161/ijaers.5.6.4
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