Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Heitor L Ornaghi"'
Publikováno v:
Textiles, Vol 4, Iss 3, Pp 344-355 (2024)
The increasing demand for environmental and sustainable materials has motivated efforts to fabricate biocomposites as alternatives to conventional synthetic fiber composites. However, biocomposite materials have some drawbacks such as poor mechanical
Externí odkaz:
https://doaj.org/article/5c2a525b5e5e4b819b95073b3956c2eb
Autor:
Paulo Henrique Fernandes Pereira, Luana Lima Fernandes, Liziane Beatriz Ubirajara Santos, Heitor L. Ornaghi, Maria Odila Hilário Cioffi
Publikováno v:
Journal of Natural Fibers, Vol 19, Iss 16, Pp 12849-12861 (2022)
The development of efficient pretreatments is widely used in biobased products aiming to add value to the residue. In this study, orange bagasse is investigated for cellulose extraction under moderate chemical sequential extraction conditions. Three
Externí odkaz:
https://doaj.org/article/dbb442fbca5d4f3e8bae554b7cf43f57
Development and characterization of sandwich panels for thermal insulation in a cold storage chamber
Autor:
Ana P Sartori, Heitor L Ornaghi Junior, Nayrim B Guerra, Paulo R Wander, Marcelo Giovanela, Regina C Reis Nunes, Janaina da Silva Crespo
Publikováno v:
Journal of Cellular Plastics. 59:215-230
Sandwich composites are materials that have superior properties including low weight, high impact energy absorption and high thermal insulation features, compared to conventional materials. In this study, four different sandwich samples were explored
Autor:
Heitor L. Ornaghi, Jr., José Humberto S. Almeida, Jr., Francisco M. Monticeli, Roberta M. Neves
Publikováno v:
Composites Part C: Open Access, Vol 3, Iss , Pp 100051- (2020)
Considering that structural composites are typically composed of off-axis plies, i.e. quasi-isotropic stacking sequence, their strength and stiffness are time-dependent due to the viscoelastic character of polymer matrices. This work consists of dete
Externí odkaz:
https://doaj.org/article/2f5367a63dc84550895cf3772091a087
Autor:
Kelly Cristina Coelho de Carvalho Benini, Herman Jacobus Cornelis Voorwald, Maria Odila Hilário Cioffi, Andressa Cecília Milanese, Heitor L. Ornaghi
Publikováno v:
Journal of Natural Fibers, Vol 14, Iss 1, Pp 112-125 (2017)
The chemical, physical and thermal properties of a new lignocellulosic fiber from Brazil (Imperata brasiliensis) were examined by SEM, chemical composition, XRD, FTIR, and TGA. Fibers were analyzed aiming to compare the properties of its new natural
Externí odkaz:
https://doaj.org/article/5a6fa84abb1e4872a4a4288b554aa298
Autor:
Francisco M. Monticeli, José Humberto S. Almeida, Roberta M. Neves, Heitor L. Ornaghi, François Trochu
Publikováno v:
Scopus
Repositório Institucional da UNESP
Universidade Estadual Paulista (UNESP)
instacron:UNESP
Monticeli, F M, Almeida Jr, J H S, Neves, R M, Ornaghi, H L & Trochu, F 2022, ' The influence of fabric architecture on impregnation behavior and void formation: Artificial neural network and statistical-based analysis ', Polymer Composites, vol. 43, no. 5, pp. 2812 – 2823 . https://doi.org/10.1002/pc.26578
Repositório Institucional da UNESP
Universidade Estadual Paulista (UNESP)
instacron:UNESP
Monticeli, F M, Almeida Jr, J H S, Neves, R M, Ornaghi, H L & Trochu, F 2022, ' The influence of fabric architecture on impregnation behavior and void formation: Artificial neural network and statistical-based analysis ', Polymer Composites, vol. 43, no. 5, pp. 2812 – 2823 . https://doi.org/10.1002/pc.26578
Made available in DSpace on 2022-04-28T19:51:23Z (GMT). No. of bitstreams: 0 Previous issue date: 2022-01-01 This work proposes an approach combining artificial neural networks (ANN) with statistical models to predict injection processing conditions
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d50808d95208dba21b07055c3bc3a508
Autor:
Clarissa C Angrizani, Branca F de Oliveira, Natalia P Lorandi, Heitor L Ornaghi, Sandro C Amico
Publikováno v:
Polymers and Polymer Composites. 30:096739112210952
Composites are subjected to different use conditions. Hence, the mechanical properties under different aging conditions are crucial in the composite field. This study aims to investigate the aging effect of a glass/epoxy unidirectional composite in t