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Search: (WFRF:(Gibson G.)) srt2:(1995-1999) > (1995)

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1.
  • Connor, M., et al. (author)
  • Model for the consolidation of aligned thermoplastic powder impregnated composites
  • 1995
  • In: Journal of Thermoplastic Composite Materials. - : SAGE Publications. - 0892-7057 .- 1530-7980. ; 8:2, s. 138-162
  • Journal article (peer-reviewed)abstract
    • This paper describes the role of surface energy effects, externally applied pressure, resin flow and fiber bed elasticity on the consolidation of thermoplastic-matrix composites manufactured by the powder impregnation route. Surface energy effects in the spreading of polymer droplets on fiber surfaces are discussed; then a model for the consolidation process is developed, relating the variables mentioned above. Consolidation experiments on powder-impregnated composites of the FIT type (Fibres Impregnees de Thermoplastique) were carried out using a mold attached to a servo-hydraulic testing machine. The model accurately predicts variations in void content during consolidation of carbon fiber/PEEK (CF/PEEK) and carbon fiber/PEI (CF/PEI) laminates. It was found that, at the pressures needed to achieve rapid consolidation, surface energy has a negligible influence on impregnation rate, but its effects on the void topology can be considerable. It was also shown that, when laminates of low void content are required, a minimum pressure is needed to overcome the effect of fiber bed elasticity.
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  • Result 1-2 of 2
Type of publication
journal article (2)
Type of content
peer-reviewed (2)
Author/Editor
Jia, J. (1)
Schneider, G (1)
Lindqvist, Y (1)
Gibson, A. G. (1)
Toll, Staffan (1)
Huang, WJ (1)
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Connor, M. (1)
Manson, J. -AE. (1)
GIBSON, KJ (1)
TAYLOR, WS (1)
RENDINA, AR (1)
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University
Royal Institute of Technology (1)
Karolinska Institutet (1)
Language
English (2)
Research subject (UKÄ/SCB)
Engineering and Technology (1)
Year
1995 (2)Undo refine

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