Zobrazeno 1 - 10 of 26 pro vyhledávání: '"Lecino Caldeira"'
1
Akademický článek
Fusion zone microstructure image dataset of the flux-cored and shielded metal arc welding processes
Autor: Moisés Luiz Lagares Jr, Gulliver Catão Silva, Lecino Caldeira
Publikováno v: Data in Brief, Vol 33, Iss , Pp 106353- (2020)
This paper presents high quality (2048 × 1532 pixels) Light Microscope steel images sampled from the welding fusion zone. The microstructure images were acquired from the Design of Experiments (22 full factorial design) planned to compare two differ
Externí odkaz: https://doaj.org/article/904ff8dde4534840b0e37a435fa41190
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2
Akademický článek
ESTUDO DO COMPORTAMENTO ELETROQUÍMICO DE AMOSTRAS DE AÇO INOXIDÁVEL E DE TI (CP) COM DIFERENTES TIPOS DE REVESTIMENTO
Autor: Renata Gomes Calixto, Lecino Caldeira, José Carlos Magalhães Duque da Fonseca
Publikováno v: The Journal of Engineering and Exact Sciences, Vol 3, Iss 8, Pp 1200-1208 (2017)
O Ti comercialmente puro (cp) tem sido utilizado extensivamente como biomaterial devido a suas características. Outro material amplamente empregado são os aços inoxidáveis, por apresentarem uma grande variedade e um custo acessível. O objetivo d
Externí odkaz: https://doaj.org/article/094710dca8a94001ba78cff018feb1c6
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3
Akademický článek
Electrochemical behaviour and microstructural characterization of different austenitic stainless steel for biomedical applications
Autor: Ely Wagner Ferreira Sabará, Valter Pereira, André Luiz Molisani, Lecino Caldeira, Rhuan Costa Souza, Thiago Araújo Simões, Alysson Helton Santos Bueno
Publikováno v: Materials Research Express, Vol 7, Iss 10, p 105402 (2020)
Austenitic stainless steels, specified as ASTM F138, ASTM F1586, and ASTM F2581, underwent a comparative study, including the analyses of microstructure, crystalline phases, and Vickers microhardness. The corrosion resistance was investigated by anod
Externí odkaz: https://doaj.org/article/66165499ae7a4896b618c4f4a5a557a6
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6
An enhanced method for the identification of ferritic morphologies in welded fusion zones based on gray-level co-occurrence matrix: A computational intelligence approach
Autor: Eduardo Pestana de Aguiar, Lecino Caldeira, Gulliver Catão Silva, Fernando Marques de Almeida Nogueira, Amanda Campos Souza, Moisés Luiz Lagares Junior
Publikováno v: Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science. 235:1228-1240
This work focuses on the identification of five of the most common ferritic morphologies present in welded fusion zones of low carbon steel through images acquired by photomicrographies. With this regards, we discuss the importance of the gray-level
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::36f10d8b4815f2bc152fde84eb7d070e
https://doi.org/10.1177/0954406220942268
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9
The role of temperature and H2S (thiosulfate) on the corrosion products of API X65 carbon steel exposed to sweet environment
Autor: G.L. Vaz, Alysson Helton Santos Bueno, José Roberto de Oliveira, Rhuan Costa Souza, José Antônio da Cunha Ponciano Gomes, E.P. Mendes Júnior, M.C. Gonçalves, Lecino Caldeira, Bernardo Augusto Farah Santos, Thiago A. Simões
Publikováno v: Journal of Petroleum Science and Engineering. 180:78-88
Oil and gas industry is constantly facing challenges in prospecting and transport, dealing with the corrosion and degradation of the pipelines. This work presents an electrochemical evaluation of API X65 steel exposed to CO2/thiosulfate (10−3mol/l)
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f9e72fd82add947268d9c9eaf46e1e1d
https://doi.org/10.1016/j.petrol.2019.05.036
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