30 documents found, page 1 of 3

Wood-Poly(furfuryl Alcohol) Prepreg: A Novel, Ecofriendly Laminate Composite

Prepregs are commonly fabricated with non-renewable petroleum-based materials. To reduce the impact of the manufacturing of these materials and to produce more sustainable prepregs, this research aims to manufacture poly(furfuryl alcohol)/wood veneer prepregs and their posterior molding in laminate composites. For this purpose, the vacuum infusion process was used to impregnate the wood veneers, and compression...

Experimental and artificial neural network approach for prediction of dynamic m...

Made available in DSpace on 2022-04-28T19:43:12Z (GMT). No. of bitstreams: 0 Previous issue date: 2021-01-01; The dynamic mechanical behavior (storage modulus, loss modulus, and tan δ) of hybrid sisal/glass composites was investigated in the temperature range of 30–210 °C, for two different volume percentages of reinforcement along with the different ratios of sisal and glass fibers. Based on the experimental o...

Degradation kinetics and lifetime prediction for polystyrene/nanocellulose nano...

Made available in DSpace on 2021-06-25T10:15:03Z (GMT). No. of bitstreams: 0 Previous issue date: 2020-01-01; Cellulose nanofibers (CNFs) and cellulose nanocrystals (CNCs) were incorporated into polystyrene (PS), and thermal stability and lifetime prediction of the nanocomposites were investigated for variable filler content (0.25, 0.50 and 1% w/w). Thermogravimetric analysis (TG) was carried out at four differ...

Compósitos com casa de arroz : novas possibilidades para o design de produtos

No design de produto, a aplicação de materiais constitui uma oportunidade para a inovação. A casca de arroz, um resíduo da indústria arrozeira, ainda é um material pouco explorado no design de produto. Isoladamente, a casca de arroz é difícil de ser utilizada no desenvolvimento de produtos, contudo, quando agregada a outro material pode ser empregada em produtos, como no desenvolvimento de compósitos com casca ...

Composite spirals and rings under flexural loading: experimental and numerical ...

Comportamento térmico de compósitos de poliestireno reciclado reforçado com cel...

O poliestireno expandido (EPS) é um polímero reciclável amplamente utilizado na fabricação de embalagens para isolamento acústico, proteção de bens de consumo duráveis e na indústria da construção civil. O PS é facilmente reciclável com o aumento da temperatura, podendo dar origem a novos materiais. Entretanto suas propriedades térmicas podem ser afetadas, principalmente se acrescidos de fibras naturais. Diante...

The influence of silane surface modification on microcrystalline cellulose char...

Made available in DSpace on 2020-12-12T01:06:52Z (GMT). No. of bitstreams: 0 Previous issue date: 2020-02-15; Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES); Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq); Microcrystalline cellulose (MCC) can be a reinforcement in composites, especially after surface modification. In this paper, MCC was modified using 3-aminopropyltrie...

Buckling and post-buckling of filament wound composite tubes under axial compre...

Stacking sequence optimization in composite tubes under internal pressure based...

Damage modeling for carbon fiber/epoxy filament wound composite tubes under rad...