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Influence of filament distribution on transverse tow permeability: Model predictions and experimental validation

Godbole, Mayur G ; Purandare, Rahul ; Harshe, Rahul ; Hood, Avinash ; Gururaja, Suhasini ; Joshi, Makarand ; Advani, Suresh

Composites Part A, March 2019, Vol.118, pp.150-161 [Periódico revisado por pares]

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  • Título:
    Influence of filament distribution on transverse tow permeability: Model predictions and experimental validation
  • Autor: Godbole, Mayur G ; Purandare, Rahul ; Harshe, Rahul ; Hood, Avinash ; Gururaja, Suhasini ; Joshi, Makarand ; Advani, Suresh
  • Assuntos: Liquid Composite Molding ; Transverse Tow Permeability ; SEM ; Filament Distribution ; Liquid Composite Molding ; Transverse Tow Permeability ; SEM ; Filament Distribution ; Engineering
  • É parte de: Composites Part A, March 2019, Vol.118, pp.150-161
  • Descrição: In the past, various analytical and semi-analytical permeability models have been implemented for process modeling of flow through single scale fabric with reasonable success. However, characterization of permeability for a dual scale fabric is relatively more complex requiring specification of permeability at tow and fabric length scales. In the current work, a semi-analytical model for transverse tow permeability is developed taking into consideration the details of microstructural filament arrangements within a single tow by conducting detailed scanning electron microscopy (S) of a cured tow cross-section. The current analysis indicates that by explicitly accounting for said local fiber volume fraction and its distribution, the transverse tow permeability predictions improve when compared to existing analytical results. In addition, a new experimental methodology for transverse tow permeability characterization has been developed and presented. The predictions considering...
  • Idioma: Inglês

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