Voids in fiber-reinforced polymer composites: A review on their formation, characteristics, and effects on mechanical performance

M Mehdikhani, L Gorbatikh… - Journal of …, 2019 - journals.sagepub.com
Voids, the most studied type of manufacturing defects, form very often in processing of fiber-
reinforced composites. Due to their considerable influence on physical and …

[HTML][HTML] A review of out-of-autoclave prepregs–Material properties, process phenomena, and manufacturing considerations

T Centea, LK Grunenfelder, SR Nutt - Composites Part A: Applied Science …, 2015 - Elsevier
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 …

[HTML][HTML] The use of X-ray computed tomography for design and process modeling of aerospace composites: A review

K Naresh, KA Khan, R Umer, WJ Cantwell - Materials & Design, 2020 - Elsevier
Optimization of process parameters of major aerospace composites manufacturing
techniques is essential for manufacturing high-quality aerospace components. However …

Process improvement to restrain emergency heating defect of composite insulator

S Zhang, L Cheng, R Liao, Y Liu… - … on Dielectrics and …, 2022 - ieeexplore.ieee.org
The rod in the composite insulator is a load-bearing component, and glass-fiber-reinforced
plastic (GRP) has always been regarded as the most suitable material. However, the …

Out-of-autoclave prepreg consolidation under deficient pressure conditions

T Centea, P Hubert - Journal of Composite Materials, 2014 - journals.sagepub.com
The present study investigated the effects of three pressure-related process deviations
(reduced ambient pressure, reduced vacuum and restricted air evacuation) on the …

[HTML][HTML] Effect of room-temperature out-time on tow impregnation in an out-of-autoclave prepreg

LK Grunenfelder, T Centea, P Hubert… - Composites Part A: Applied …, 2013 - Elsevier
Tow impregnation as a function of material out-time was investigated for an out-of-autoclave
carbon fiber–epoxy prepreg. Prepreg was aged at ambient temperature for 56days. Every …

An in situ investigation of microscopic infusion and void transport during vacuum-assisted infiltration by means of X-ray computed tomography

J Vila, F Sket, F Wilde, G Requena, C González… - Composites science and …, 2015 - Elsevier
In situ vacuum-assisted infiltration experiments were carried out using synchrotron X-ray
computed tomography (SXCT) to study the mechanisms of microfluid flow within a fiber tow …

[HTML][HTML] Resin film impregnation in fabric prepregs with dual length scale permeability

TA Cender, P Simacek, SG Advani - Composites Part A: Applied Science …, 2013 - Elsevier
Prepregs are precursor materials for composites processing. Most prepregs are fully
impregnated however some prepregs are only partially impregnated with resin. This study …

Causes and remedies for porosity in composite manufacturing

G Fernlund, J Wells, L Fahrang, J Kay… - IOP conference series …, 2016 - iopscience.iop.org
Porosity is a challenge in virtually all composite processes but in particular in low pressure
processes such as out of autoclave processing of prepregs, where the maximum pressure is …

[HTML][HTML] Novel epoxy powder for manufacturing thick-section composite parts under vacuum-bag-only conditions. Part I: Through-thickness process modelling

JM Maguire, P Simacek, SG Advani… - Composites Part A …, 2020 - Elsevier
Thick-section composite parts are difficult to manufacture using thermosetting resins due to
their exothermic curing reaction. If processing is not carefully controlled, the build-up of heat …