Zobrazeno 1 - 9 of 9 pro vyhledávání: '"Oscar Mauricio Prada Ramirez"'
1
Effects of Mn and Microalloying Composition on Corrosion and Hydrogen-Induced Cracking of API 5L X65 Steels
Autor: Janeth Marlene Quispe-Avilés, Marco Aurélio Pereira Fiori, Duberney Hincapie-Ladino, Oscar Mauricio Prada Ramirez, Hercílio Gomes de Melo
Publikováno v: Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
The corrosion and hydrogen-induced cracking (HIC) resistance as well as hydrogen permeation behavior of two API 5L X65 steels with different amounts of Mn and microalloying elements were compared. The corrosion behavior of both steels, evaluated usin
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c459720a24bd4a2e70d3c8ccb4afd310
https://doi.org/10.5006/3876
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4
Cerium conversion coating and sol-gel coating for corrosion protection of the WE43 Mg alloy
Autor: Gualter Silva Pereira, Oscar Mauricio Prada Ramirez, Pedro Renato Tavares Avila, Julian Arnaldo Avila, Haroldo Cavalcanti Pinto, Marcos Hideki Miyazaki, Hercílio Gomes de Melo, Waldek Wladimir Bose Filho
Publikováno v: Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
In this work, the electrochemical behavior and morphological characterization of a system consisting of a cerium conversion layer, a hybrid sol-gel coating, and the two coatings applied sequentially (duplex) have been evaluated for the corrosion prot
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fed15b811acb177a512fd816f19feeb2
https://doi.org/10.1016/j.corsci.2022.110527
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7
Galvanic coupling effects on the corrosion behavior of the 6061 aluminum alloy used in research nuclear reactors
Autor: Rejane Maria Pereira da Silva, Oscar Mauricio Prada Ramirez, Caruline de Souza Carvalho Machado, A. Betancor-Abreu, Isolda Costa, João Victor de Sousa Araujo, Ricardo M. Souto, Mariana X. Milagre, Uyime Donatus
Publikováno v: RIULL. Repositorio Institucional de la Universidad de La Laguna
Universidad de La Laguna (ULL)
The 6061 alloy is used in different thermomechanical conditions in research nuclear reactors. Nuclear fuel plates are manufactured by the picture frame technique (PFT) and the 6061 alloy is used as cladding for the nuclear fuel “sandwiches”. Afte
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4f5b4b3f844492a7dd6d7336b0811a8a
http://riull.ull.es/xmlui/handle/915/20998
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8
Tartaric-sulphuric acid anodized clad AA2024-T3 post-treated in Ce-containing solutions at different temperatures: Corrosion behaviour and Ce ions distribution
Autor: Oscar Mauricio Prada Ramirez, Hercílio Gomes de Melo, C. L. Rodrigues, Marie-Georges Olivier, Stefan Pogatscher, Matheus A. Tunes, Renato Altobelli Antunes, Alex Lanzutti, Fernanda Martins Queiroz
Publikováno v: Applied Surface Science
The effect of temperature of a Ce-H2O2 post-treatment on the corrosion resistance of clad AA2024-T3 anodized in tartaric-sulfuric acid as well as the distribution of Ce oxyhydroxides in the anodized layer was investigated. Electrochemical impedance s
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::eced0d1d9ceba758717649b87eaf02ca
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9
Effect of unequal levels of deformation and fragmentation on the electrochemical response of friction stir welded AA2024-T3 alloy
Autor: Hercílio Gomes de Melo, Fernanda Martins Queiroz, Mikhail L. Zheludkevich, Oscar Mauricio Prada Ramirez, Barbara Victoria Gonçalves de Viveiros, Vincent Vivier, Sviatlana V. Lamaka, Uyime Donatus, Isolda Costa, Mohammad Masoumi, João Victor de Sousa Araujo
Publikováno v: Martins Queiroz, F.; Donatus, U.; Prada Ramirez, O.M.; de Sousa Araujo, J.V.; Goncalves de Viveiros, B.V.; Lamaka, S.; Zheludkevich, M.; Masoumi, M.; Vivier, V.; Costa, I.; Gomes de Melo, H.: Effect of unequal levels of deformation and fragmentation on the electrochemical response of friction stir welded AA2024-T3 alloy. In: Electrochimica Acta. Vol. 313 (2019) 271-281. (DOI: /10.1016/j.electacta.2019.04.137)
Electrochimica Acta
Electrochimica Acta, Elsevier, 2019, 313, pp.271-281. ⟨10.1016/j.electacta.2019.04.137⟩
International audience; The effect of unequal levels of deformation and fragmentation on the electrochemical response of friction stir welded AA2024-T3 has been investigated using electron backscatter diffraction, scanning electron microscopy, global
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::72e0b01a33c9b3ed3b39aed7c583a97a
https://publications.hereon.de/id/37055
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