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 …

Modeling void formation and unsaturated flow in liquid composite molding processes: a survey and review

CH Park, L Woo - Journal of reinforced plastics and …, 2011 - journals.sagepub.com
In this study, we present a review of the modeling of void formation and unsaturated flow in
liquid composite molding processes. We examine modeling efforts considering all the …

[HTML][HTML] Modeling the impact of capillary pressure and air entrapment on fiber tow saturation during resin infusion in LCM

JM Lawrence, V Neacsu, SG Advani - Composites Part A: Applied Science …, 2009 - Elsevier
Traditionally, capillary effects have been neglected when modeling the filling stage of Liquid
Composite Molding processes. This simplification is justified because the inlet resin …

Permeability estimation algorithm to simultaneously characterize the distribution media and the fabric preform in vacuum assisted resin transfer molding process

A Gokce, M Chohra, SG Advani, SM Walsh - Composites Science and …, 2005 - Elsevier
In vacuum assisted resin transfer molding (VARTM), available pressure for resin injection is
limited to 1atm. Therefore, layers of high-permeability fabrics, called the distribution media …

Measuring the negative pressure during processing of advanced composites

N Zobeiry, C Duffner - Composite Structures, 2018 - Elsevier
Pre-impregnated sheets of advanced carbon fibers with highly viscous thermoset-based
resin systems are commonly used in fabricating aerospace composite parts. As prepreg …

Spontaneous radial capillary impregnation across a bank of aligned micro-cylinders–Part I: Theory and model development

V Neacsu, AA Obaid, SG Advani - International journal of multiphase flow, 2006 - Elsevier
This paper presents an analytical and numerical approach to describe the capillary infusion
of a liquid across an array of parallel micro-cylinders. Based on a series of simplifying …

A phenomenological model for fiber tow saturation of dual scale fabrics in liquid composite molding

P Simacek, V Neacsu, SG Advani - Polymer Composites, 2010 - Wiley Online Library
Advanced composites are manufactured by liquid composite molding by impregnating a
thermoset resin into a stationary woven or stitched preform. For a successful injection, the …

Capillary effects in vacuum‐assisted resin transfer molding with natural fibers

G Francucci, A Vázquez, E Ruiz… - Polymer …, 2012 - Wiley Online Library
The study of the capillary flow developed during the processing of composite materials is
key because it acts as an important driving force for the impregnation of the fiber tows. It is …

Liquid composite molding processes

Q Govignon, S Bickerton, P Kelly - Advanced Fiber-Reinforced Polymer …, 2023 - Elsevier
The term liquid composite molding (LCM) encompasses a family of processes in which a dry
fibrous reinforcement is impregnated by a liquid resin inside a sealed cavity. As the …

Spontaneous radial capillary impregnation across a bank of aligned micro-cylinders. Part II: Experimental investigations

V Neacsu, AA Obaid, SG Advani - International journal of multiphase flow, 2006 - Elsevier
This paper presents an experimental approach to study the capillary impregnation of a liquid
across an array of parallel micro-cylinders. The technique presented successfully validates …