Zobrazeno 1 - 10
of 117
pro vyhledávání: '"Gilberto Petraconi"'
Autor:
Pedro William Paiva Moreira Júnior, Felipe de Souza Miranda, Nilton Francelosi Azevedo Neto, Alexei Mikhailovich Essiptchouk, Eduardo Sant Ana Petraconi Prado, Antonio Carlos da Cruz, Gilberto Petraconi Filho
Publikováno v:
International Journal of Sustainable Energy, Vol 43, Iss 1 (2024)
In this work, a DC-transferred arc plasma reactor was used to investigate the influence of operating parameters on the process of gas production from sewage sludge treatment. By varying the operating temperature, feedstock feed rate and exhaust gas f
Externí odkaz:
https://doaj.org/article/fe14426e34ea48d5bc7f0c4108c0b7e2
Autor:
Marcia Cristina Silva, Gilberto Petraconi, Ricardo Rodrigues Ramos Cecci, Adriano Alves Passos, Wanderson Ferraz do Valle, Bruno Braite, Sérgio Ricardo Lourenço, Fernando Gasi
Publikováno v:
Polymers, Vol 13, Iss 12, p 1969 (2021)
The garment industry demands stamping processes that are increasingly more agile and less damaging to the environment. In this scenario, digital printing, with the sublimation transfer printing technique, presents itself as a viable option for synthe
Externí odkaz:
https://doaj.org/article/8305ef0828a44448a2ba2550d5c7bdc0
Autor:
Fernando Gasi, Gilberto Petraconi, Edison Bittencourt, Sérgio Ricardo Lourenço, Alonso Hernan Ricci Castro, Felipe de Souza Miranda, Alexei Mikhailovich Essiptchouk, Larissa Nascimento, André Petraconi, Mariana Amorim Fraga, Rodrigo Savio Pessoa
Publikováno v:
Materials Research, Vol 23, Iss 1 (2019)
In this study, the hybrid corona-dielectric barrier discharge plasma treatment was employed to modify the physical, chemical and morphological characteristics of a half-knitted fabric composed of 92% polyamide 6.6 and 8% elastane (PA). These properti
Externí odkaz:
https://doaj.org/article/c0920436e069438e824fd375647542dd
Autor:
William Chiappim, Giorgio Testoni, Felipe Miranda, Mariana Fraga, Humber Furlan, David Ardiles Saravia, Argemiro da Silva Sobrinho, Gilberto Petraconi, Homero Maciel, Rodrigo Pessoa
Publikováno v:
Micromachines, Vol 12, Iss 6, p 588 (2021)
The chemical, structural, morphological, and optical properties of Al-doped TiO2 thin films, called TiO2/Al2O3 nanolaminates, grown by plasma-enhanced atomic layer deposition (PEALD) on p-type Si and commercial SLG glass were discussed. High-quality
Externí odkaz:
https://doaj.org/article/919459a740da40429fb2e2e05fd2081f
Autor:
William Chiappim, Aline da Graça Sampaio, Felipe Miranda, Mariana Fraga, Gilberto Petraconi, Argemiro da Silva Sobrinho, Konstantin Kostov, Cristiane Koga-Ito, Rodrigo Pessoa
Publikováno v:
Water, Vol 13, Iss 11, p 1480 (2021)
In this study, the potential antimicrobial activity of plasma-activated tap water (PAW) was evaluated against Staphylococcus aureus, Escherichia coli, and Candida albicans. For this, PAW was prepared in a gliding arc plasma system using two treatment
Externí odkaz:
https://doaj.org/article/fe139dba01654799954ddbe8042677e8
Autor:
Larissa Nascimento, Fernando Gasi, Richard Landers, Argemiro da Silva Sobrinho, Eduardo Aragão, Mariana Fraga, Gilberto Petraconi, William Chiappim, Rodrigo Pessoa
Publikováno v:
Polymers, Vol 12, Iss 9, p 2128 (2020)
This work proposes the use of a dielectric barrier discharge (DBD) reactor operating at atmospheric pressure (AP) using air and sub-atmospheric pressure (SAP) using air or argon to treat polyamide 6.6 (PA6.6) fabrics. Here, plasma dosages correspondi
Externí odkaz:
https://doaj.org/article/f560ca0a092c43f9b522f06e4153e4d2
Autor:
Armstrong Godoy Junior, André Pereira, Marcilene Gomes, Mariana Fraga, Rodrigo Pessoa, Douglas Leite, Gilberto Petraconi, Adailton Nogueira, Heberton Wender, Walter Miyakawa, Marcos Massi, Argemiro da Silva Sobrinho
Publikováno v:
Catalysts, Vol 10, Iss 3, p 282 (2020)
Black TiO2 materials have been quite widely explored due to their large solar absorption and superior photocatalytic activity. In this paper, the blackening process of titanium dioxide (TiO2) thin film using the hollow cathode hydrogen plasma (HCHP)
Externí odkaz:
https://doaj.org/article/71f82b4157bf40b5bac9dc8a5d77bd13
Autor:
Oswaldo B Loureda, Felipe Rocha Caliari, Inácio Regiani, Felipe de Souza Miranda, Roberson José da Silva, Gilberto Petraconi Filho
Publikováno v:
Materials Research Express, Vol 7, Iss 1, p 015619 (2020)
The development of efficient, reliable and affordable propulsion units is one of the main objectives in the development of aerospace technology. Typically the final cost of the vehicle is deeply affected by this subsystem. In this study, a hybrid com
Externí odkaz:
https://doaj.org/article/0d8818e7e66b4726aa7aa22cd9c79df9
Autor:
Gilberto Petraconi, Alexei Mikhailovich Essiptchouk, Leonid Ivanovich Charakhovski, Choyu Otani, Homero Santiago Maciel, Rodrigo Sávio Pessoa, Maria Luisa Gregori, Sônia Fonseca Costa
Publikováno v:
Journal of Aerospace Technology and Management, Vol 2, Iss 1, Pp 33-40 (2010)
A stationary experiment was performed to study the degradation of carbon-based materials by immersion in a plasma jet. In the experiment, graphite and C/C composite were chosen as the target materials, and the reactive plasma jet was generated by an
Externí odkaz:
https://doaj.org/article/170b8a48f18d4e67a6c600e239a5b6c4
Autor:
Liliana Burakowski Nohara, Gilberto Petraconi Filho, Evandro Luís Nohara, Maurício Urban Kleinke, Mirabel Cerqueira Rezende
Publikováno v:
Materials Research, Vol 8, Iss 3, Pp 281-286 (2005)
Sized PAN-based carbon fibers were treated with hydrochloric and nitric acids, as well as argon and oxygen cold plasmas, and the changes on their surfaces evaluated. The physicochemical properties and morphological changes were investigated by atomic
Externí odkaz:
https://doaj.org/article/c18721e2fd87447aabfc066401a1a8f1