Zobrazeno 1 - 10
of 35
pro vyhledávání: '"Michelle Cequeira Feitor"'
Autor:
Hunos Paixão Madureira, Renan Matos Monção, Adriano Almeida Silva, Angel Alberto Hidalgo, Maria Letícia Vega, Michelle Cequeira Feitor, Francisco Eroni Paz Santos, Thércio Henrique de Carvalho Costa, Rômulo Ribeiro Magalhães de Sousa
Publikováno v:
Materials Research, Vol 26 (2023)
We investigate the structural, optical, thermal-optical, and electronic properties of TiNx thin films utilizing a variety of experimental techniques, including spectroscopic ellipsometry, Raman spectroscopy, scanning electron microscopy, atomic force
Externí odkaz:
https://doaj.org/article/bb04ff4ba04f47d7b03908544a7e270f
Autor:
Anderson Wagner Alves de Menezes, Ivan Alves de Souza, Thércio Henrique de Carvalho Costa, Tharsia Cristiany de Carvalho Costa, Rômulo Ribeiro Magalhães de Sousa, Rubens Maribondo Nascimento, Michelle de Medeiros Aires, Michelle Cequeira Feitor
Publikováno v:
Journal of Materials Research and Technology, Vol 18, Iss , Pp 1578-1589 (2022)
The tissue–prosthesis relationship is essential for the success of an implant. Aiming at higher levels of affinity between the implant and the human body, engineering focuses on studies on ceramic coating processes, surface modifications, and the s
Externí odkaz:
https://doaj.org/article/e503d864300045a0af5d32f61beb77cf
Autor:
Renan Matos Monção, Miguel Rubira Danelon, Larissa Solano de Almeida, Luciana Sgarbi Rossino, Fernanda Roberta Marciano, Thércio Henrique de Carvalho Costa, Michelle Cequeira Feitor, Ruben Maribondo do Nascimento, Rômulo Ribeiro Magalhães de Sousa
Publikováno v:
Materials Research, Vol 25 (2022)
Molybdenum trioxide (MoO3) thin films are generally deposit on metallic surfaces to increase their tribological performance. In this manuscript, MoOx coatings were for the first time deposited on plasma nitrided surfaces. Vickers microhardness tests,
Externí odkaz:
https://doaj.org/article/33311199f31446f3859f46595ae8d084
Autor:
Gutembergy Ferreira Diniz, Ivan Alves de Souza, João Freire de Medeiros Neto, Anderson Wagner Menezes, Jailson Alves de Souza, Jayme Ortiz, Thércio Henrique de Carvalho Costa, Kleiber Lima de Bessa, Michelle Cequeira Feitor
Publikováno v:
Symmetry, Vol 14, Iss 3, p 524 (2022)
Drag is one of the main energy-dissipating phenomena in engineering applications. Drag-reduction mechanisms have been studied to reduce this cost. Superhydrophobic surfaces (SHS) have high water repellency and have been studied as an alternative mech
Externí odkaz:
https://doaj.org/article/0eec3dc7fb2141c8b37dc8e8a68048ba
Autor:
Ivan Alves de Souza, Arlindo Balbino do Nascimento Neto, José César Augusto de Queiroz, Efrain Pantaleón Matamoros, Thércio Henrique de Carvalho Costa, Michelle Cequeira Feitor, John Magno Lopes de Souza, Nailton Torres Camara, Valmar da Silva Severiano Sobrinho
Publikováno v:
Materials Research, Vol 19, Iss 1, Pp 202-206 (2016)
Dielectric Barrier Discharge (DBD) is a promising technique for producing plasma in atmospheric pressure and is gaining emphasis in several areas, especially in the biomedical and textile industries, among other. This is due to the fact that this pla
Externí odkaz:
https://doaj.org/article/db51c0724b6743f1a400b5abec265da6
Autor:
João Freire de Medeiros Neto, Ivan Alves de Souza, Michelle Cequeira Feitor, Talita Galvão Targino, Gutembergy Ferreira Diniz, Maxwell Santana Libório, Rômulo Ribeiro Magalhães Sousa, Thercio Henrique de Carvalho Costa
Publikováno v:
Polymers, Vol 12, Iss 10, p 2422 (2020)
In this work, the plasma was used in the dielectric barrier discharge (DBD) technique for modifying the high-density polyethylene (HDPE) surface. The treatments were performed via argon or oxygen, for 10 min, at a frequency of 820 Hz, voltage of 20 k
Externí odkaz:
https://doaj.org/article/058dfa04cf2c4b4c971f9c1a8436c8a3
Autor:
Michelle Cequeira Feitor, Clodomiro Alves Junior, Clovis Medeiros Bezerra, Rômulo Ribeiro Magalhães de Sousa, Thercio Henrique de Carvalho Costa
Publikováno v:
Materials Research, Vol 18, Iss 5, Pp 891-896 (2015)
AbstractPolyester fabric samples – PET (poly (ethylene terephtalate)), were treated with oxygen plasma, in order to alter the hydrophilicity of such material. The process parameters: working pressure, current, tension and temperature were kept cons
Externí odkaz:
https://doaj.org/article/8e49b128ea6241db9dcc8288c7eaaad8
Autor:
Rômulo Ribeiro Magalhães de Sousa, Francisco Odolberto de Araújo, Thercio Henrique de Carvalho Costa, Igor Oliveira Nascimento, Francisco Eroni Paes Santos, Clodomiro Alves Júnior, Michelle Cequeira Feitor
Publikováno v:
Materials Research, Vol 18, Iss 2, Pp 347-352 (2015)
Thin nitride and titanium dioxide films were produced using an innovative technique called cathodic cage depositon. Uniformity, three-dimensionality and high rate deposition are some of the advantages of this technique. In this study we discuss the i
Externí odkaz:
https://doaj.org/article/d880c050eb8445f3824823907bdfb44b
Autor:
Francisco Rafael Campos de Macedo, Rômulo Ribeiro Magalhães de Sousa, José Wellinton Nogueira Junior, Cleânio Luz-Lima, Maxwell Santana Libório, Anderson de Oliveira Lobo, Vladimir Jesus Trava-Airoldi, Fernanda Roberto Marciano, Michelle Cequeira Feitor, Thércio Henrique de Carvalho Costa, Rubens Maribondo do Nascimento
Publikováno v:
steel research international.
Autor:
E. O. Almeida, Michelle Cequeira Feitor, J. C. A. Queiroz, M. S. Libório, R. R. M. Souza, E. J. C. Santos, M. G. O. Queiroz, K. L. Bessa, Thércio Henrique de Carvalho Costa
Publikováno v:
Brazilian Journal of Physics. 51:1677-1688
This study aims to assess structural, optical, and electrical properties of AZO thin films produced by magnetron sputtering in high pressure were 12, 7, and 5 cm apart between the target and the glass substrate. Then, a treatment current variation (0