Zobrazeno 1 - 10
of 66
pro vyhledávání: '"Lilian Ferreira de Senna"'
Autor:
Antonio Vitor Castro Braga, Dalva Cristina Baptista do Lago, Renata Antoun Simão, André Rocha Pimenta, Lilian Ferreira de Senna
Publikováno v:
Journal of Materials Research and Technology, Vol 29, Iss , Pp 2843-2856 (2024)
In this work, multivariate analysis was applied to evaluate the influence of the deposition time (t), withdraw speed (v), and heating time (HT) used to produce boehmite conversion coatings and to optimize these conditions aiming the improvement of th
Externí odkaz:
https://doaj.org/article/8a90a86eee77438cb17f5eda7e79e88b
Autor:
Antônio Vitor de Castro Braga, Dalva Cristina Baptista do Lago, Eduardo Rocha de Almeida Lima, Lilian Ferreira de Senna
Publikováno v:
Journal of Materials Research and Technology, Vol 27, Iss , Pp 5594-5606 (2023)
This work evaluated the changes in the physicochemical properties (viscosity, surface tension, and zeta potential) of both alumina sol and boehmite solution at different aging times and their relationship with the corrosion resistance (in a saline so
Externí odkaz:
https://doaj.org/article/7a706df47e70491ea5e584543dfe3fd7
Autor:
Nathalia Xiaohui Zhou, Priscila Santos da Silva, Antônio Vitor de Castro Braga, Dalva Cristina Baptista do Lago, André Rocha Pimenta, Lilian Ferreira de Senna
Publikováno v:
Materials Research, Vol 25 (2022)
Abstratc This work reports the production of low-tin Cu-Sn alloy coatings on carbon steel substrates using a bath containing CuCl2, SnCl2, and sodium citrate. In the first part of this study, the coatings were electrodeposited by direct and simple pu
Externí odkaz:
https://doaj.org/article/178401bdb4f141c2a8e285399508564c
Autor:
Samantha Alcântara Fernandes Ramos, Lilian Ferreira de Senna, Dalva Cristina Baptista do Lago
Publikováno v:
Materials Research, Vol 22, Iss suppl 1 (2019)
Corrosive processes in acidic medium reduce the performance and durability of metallic materials, causing problems to several industries. Corrosion inhibitors are commonly used to decrease these effects. As these inhibitors must be ecologically frien
Externí odkaz:
https://doaj.org/article/f8b363ac3acb41d68bd596b908cc7867
Autor:
Julyana Ribeiro Garcia, Dalva Cristina Baptista do Lagoa, Deborah Vargas Cesar, Lilian Ferreira de Senna
Publikováno v:
Materials Research, Vol 20, Iss suppl 2, Pp 748-757 (2018)
In this work, Ni-Co oxides coatings were produced using electrochemical techniques (chronopotentiometry and/or linear voltammetry) and solutions containing Ni2+ and Co2+ ions in the molar ratio 1: 2, sodium citrate as the ligand, and different pH val
Externí odkaz:
https://doaj.org/article/1730e94f6da74ae0b9250148cdd0c51d
Publikováno v:
Materials Research, Vol 20, Iss suppl 2, Pp 667-675 (2017)
This work proposes the production of Cu-Sn alloy coatings with anticorrosive properties, using an environmentally non-aggressive bath. The coatings were electrodeposited on carbon steel substrate AISI 1020 using an electrolyte containing CuCl2 and Sn
Externí odkaz:
https://doaj.org/article/7e18530866884457b241399cc889e622
Autor:
Thaís Guimarães de Lima Rezende, Dalva Cristina Baptista do Lago, Deborah Vargas Cesar, Lilian Ferreira de Senna
Publikováno v:
Materials Research, Vol 20, Iss suppl 2, Pp 374-385 (2017)
In this work, composite coatings of Cu/AlO(OH) were produced by electrodeposition on steel substrates using a pyrophosphate-based bath containing allyl alcohol as an additive. The electrodeposition of the composite coatings was carried out using a 23
Externí odkaz:
https://doaj.org/article/5417e584d9a44b4fa98f4e511f26b05b
Autor:
Priscila Santos da Silva, Lilian Ferreira de Senna, Márcia Monteiro Machado Gonçalves, Dalva Cristina Baptista do Lago
Publikováno v:
Materials Research, Vol 22, Iss 4 (2019)
This work aims evaluate the use of biocides in the microbiologically-influenced corrosion (MIC) of AISI 1020 carbon steel by sulfate-reducing bacteria (SRB) in artificial seawater. A natural biocide (garlic oil) and a commercial biocide (glutaraldehy
Externí odkaz:
https://doaj.org/article/b817e7191a5345378b75ad09cb25d9f1
Publikováno v:
Materials Research, Vol 22, Iss 3 (2019)
Cu-Co alloys were electrodeposited on steel substrates from alkaline sodium tartrate electrolyte using direct and single pulsed current (DC and SPC, respectively). The electrodeposition bath was composed by 0.02 mol L−1 of CuSO4.5H2O, 0.10 mol L−
Externí odkaz:
https://doaj.org/article/e90593e0475e45f3a0f42b2a99a05255
Publikováno v:
Materials Research, Vol 17, Iss 4, Pp 947-957 (2014)
Zn-Co alloy coatings were produced on carbon steel, at room temperature, from citrate baths (0.100 mol L-1) containing [Zn2+]= [Co2+] = 0.05 mol L-1. Coatings with %m/m Co > %m/m Zn were observed under all deposition conditions, except for I = 10 A m
Externí odkaz:
https://doaj.org/article/f52093bbeb3646b5baf11514be243e54