[HTML][HTML] A review of out-of-autoclave prepregs–Material properties, process phenomena, and manufacturing considerations
Abstract Out-of-autoclave (OoA) prepreg materials and methods have gained acceptance
over the past decade because of the ability to produce autoclave-quality components under …
over the past decade because of the ability to produce autoclave-quality components under …
Out-of-autoclave prepreg consolidation under deficient pressure conditions
The present study investigated the effects of three pressure-related process deviations
(reduced ambient pressure, reduced vacuum and restricted air evacuation) on the …
(reduced ambient pressure, reduced vacuum and restricted air evacuation) on the …
In-situ cure monitoring of an out-of-autoclave prepreg: Effects of out-time on viscosity, gelation and vitrification
The cutting, lay-up and bagging of out-of-autoclave (OOA) prepregs for composite part
fabrication can take from several days to weeks, depending on the desired part size. This …
fabrication can take from several days to weeks, depending on the desired part size. This …
Surface porosity during vacuum bag-only prepreg processing: Causes and mitigation strategies
In this study, we employ a parametric approach coupled with surface analysis to identify the
source (s) of surface porosity and to develop effective mitigation strategies. Results …
source (s) of surface porosity and to develop effective mitigation strategies. Results …
Out-of-autoclave prepreg processing
The objective of this chapter is to provide an overview of the processing aspects of out-of-
autoclave (OOA) prepregs. This chapter serves as a design guideline for the definition of …
autoclave (OOA) prepregs. This chapter serves as a design guideline for the definition of …
Compression molding of reused in-process waste–effects of material and process factors
Effective strategies for the reuse and recycling of in-process prepreg waste are needed to
reduce economic and environmental costs. In this paper, we investigate the compression …
reduce economic and environmental costs. In this paper, we investigate the compression …
Modelling and monitoring of out-time and moisture absorption effects on cure kinetics and viscosity for an out-of-autoclave (OoA) prepreg
Out-time and moisture absorption during out-of-autoclave (OoA) prepreg preparation are
generally unavoidable. The resulting cross-linking and increase in resin viscosity can …
generally unavoidable. The resulting cross-linking and increase in resin viscosity can …
Air evacuation and resin impregnation in semi-pregs: effects of feature dimensions
SGK Schechter, LK Grunenfelder… - … Manufacturing: Polymer & …, 2020 - Taylor & Francis
Prepregs with discontinuous resin (semi-pregs) impart robustness to vacuum-bag-only
processing of composites. Limited guidance exists for evaluating advantageous resin …
processing of composites. Limited guidance exists for evaluating advantageous resin …
Material-processing-quality relationships during the consolidation of out-of autoclave prepregs
T Centea - 2013 - escholarship.mcgill.ca
ABSTRACT Out-of-autoclave (OOA) prepreg processing is a new manufacturing method for
high performance composites that seeks to reduce costs and increase production flexibility …
high performance composites that seeks to reduce costs and increase production flexibility …
[图书][B] Experimental study of variability and defects in vacuum-bag-only corner laminates
N Krumenacker - 2018 - search.proquest.com
Abstract Vacuum-bag-only (VBO) semipreg processing now produces flat panels and
coupon-level parts with high-quality and performance. Still, the primary aim for the …
coupon-level parts with high-quality and performance. Still, the primary aim for the …