Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Flavio James Humberto Tommasini Vieira Ramos"'
Autor:
Luana Cristyne da Cruz Demosthenes, Lucio Fabio Cassiano Nascimento, Sergio Neves Monteiro, Ulisses Oliveira Costa, Fabio da Costa Garcia Filho, Fernanda Santos da Luz, Michelle Souza Oliveira, Flavio James Humberto Tommasini Vieira Ramos, Artur Camposo Pereira, Fábio Oliveira Braga
Publikováno v:
Journal of Materials Research and Technology, Vol 9, Iss 1, Pp 115-123 (2020)
Engineering applications involving polymer composites reinforced with natural lignocellulosic fibers (NLFs) have greatly increased in recent decades due to advantages associated not only with favorable composite properties but also fiber sustainabili
Externí odkaz:
https://doaj.org/article/f9a7cbc5a8ec45bebbf37deb835079ca
Autor:
Danielle de Mattos Mariano, Daniela de França da Silva Freitas, Luis Claudio Mendes, Ana Luiza Fonseca Carvalho, Flavio James Humberto Tommasini Vieira Ramos
Publikováno v:
Materials Research, Vol 22, Iss 2 (2019)
In order to search nanofiller for controlling release of drugs lamellar α-zirconium phosphate (α-ZrP) was modified with ether-amine oligomer (E-A). Synthesis and chemical modification followed specific reaction conditions and different EA:ZrP ratio
Externí odkaz:
https://doaj.org/article/2e8727937c13407ab086e2a9d5582358
Autor:
Lucas Galhardo Pimenta Tienne, Flavio James Humberto Tommasini Vieira Ramos, Maria Fátima Vieira Marques, Letícia Santos Aguilera, André Ben‐Hur Silva Figueiredo
Publikováno v:
ChemistrySelect. 7
Autor:
Flávio James Humberto Tommasini Vieira Ramos, Maria de Fátima Vieira Marques, Vinícius de Oliveira Aguiar, Fernanda Fabbri Gondim, Laís dos Santos Gomes, Paulo Henrique de Oliveira Gomes
Publikováno v:
Journal of Materials Research and Technology, Vol 31, Iss , Pp 3287-3300 (2024)
This paper aims to develop sustainable geopolymer composites reinforced with silverskin fibers derived from coffee industry waste. Geopolymer and geopolymer composites were synthesized from blast furnace slags (BFS) with a solid/liquid (alkaline solu
Externí odkaz:
https://doaj.org/article/9559271227834be38ba69a4e20ebcd37
Autor:
Débora de Lima Alves, Anderson Oliveira da Silva, Sergio Neves Monteiro, Ricardo Pondé Weber, Flávio James Humberto Tommasini Vieira Ramos, Lívia Rodrigues Menezes
Publikováno v:
Journal of Materials Research and Technology, Vol 20, Iss , Pp 4241-4255 (2022)
Polymeric nanocomposites of polymethylmethacrylate (PMMA) added with up to 20wt.% of graphene oxide (GO) were synthesized by the solvent evaporation technique and, for the first time, irradiated with ultraviolet radiation (UV-B) to reduce GO and obta
Externí odkaz:
https://doaj.org/article/9eba9067dc0d4a79b591852effd122fc
Autor:
Flávio James Humberto Tommasini Vieira Ramos, Maria de Fátima Vieira Marques, João Gabriel Passos Rodrigues, Vinícius de Oliveira Aguiar, Fernanda Santos da Luz, Afonso Rangel Garcez de Azevedo, Sergio Neves Monteiro
Publikováno v:
Case Studies in Construction Materials, Vol 16, Iss , Pp e00795- (2022)
As an alternative for ordinary Portland cement, geopolymers are cost effective materials that can be prepared with relatively low energy consumption and substantial reduction of CO2 emissions. In the present study the characteristics of novel hybrid
Externí odkaz:
https://doaj.org/article/d27f9a14b98544a08ee5d0d65a420837
Autor:
Flávio James Humberto Tommasini Vieira Ramos, Marcelo Henrique Prado da Silva, Sergio Neves Monteiro, Andriy Grafov, Irina Grafova
Publikováno v:
Journal of Materials Research and Technology, Vol 9, Iss 4, Pp 7540-7550 (2020)
The objective of this work is the processing of recycled polypropylene (rPP) matrix and geopolymer concrete waste (GCW) to develop novel sustainable nanocomposites for engineering applications. Specimens of these nanocomposites were produced from GCW
Externí odkaz:
https://doaj.org/article/f8eb8d19415e47188c3a3ccf26d391d1
Autor:
Flávio James Humberto Tommasini Vieira Ramos, Raphael Henrique Morais Reis, Iryna Grafova, Andriy Grafov, Sergio Neves Monteiro
Publikováno v:
Journal of Materials Research and Technology, Vol 9, Iss 3, Pp 3084-3090 (2020)
Civil construction wastes have been incorporated into polymers for recycling as novel engineering composites. In the present work eco-friendly composites with recycled polypropylene (rPP) matrix incorporated with geopolymer concrete waste particles,
Externí odkaz:
https://doaj.org/article/578f071aef6a4628a87cb7dc25a1553f
Autor:
Fernanda Santos da Luz, Flávio James Humberto Tommasini Vieira Ramos, Lucio Fabio Cassiano Nascimento, André Ben-Hur da Silva Figueiredo, Sergio Neves Monteiro
Publikováno v:
Journal of Materials Research and Technology, Vol 7, Iss 4, Pp 528-534 (2018)
The several advantages of natural lignocellulosic fibers (NLFs), such as, economical, technical, environmental and social, make these fibers an alternative to replace synthetic fibers in composite materials. The application of NLF as reinforcements i
Externí odkaz:
https://doaj.org/article/4448d5a79ef04c6c9330ca9cbfd8520e
Autor:
Fábio de Oliveira Braga, Lucas Tedesco Bolzan, Flávio James Humberto Tommasini Vieira Ramos, Sergio Neves Monteiro, Édio Pereira Lima Jr., Luis Carlos da Silva
Publikováno v:
Materials Research, Vol 20, Iss suppl 2, Pp 767-774 (2018)
The urban violence and the different types of global armed conflicts demand efficient protective systems against high energy ammunition. Multilayered Armor Systems (MAS) provide efficient protection by making use of lighter and more efficient materia
Externí odkaz:
https://doaj.org/article/7f3622efdb0143b3ab56f272572f9abb