Journal
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
Volume 82, Issue -, Pages 88-99Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesa.2015.11.042
Keywords
Polymer-matrix composites (PMCs); Optical microscopy; Resin transfer moulding (RTM); Defects
Funding
- Portuguese Innovation Agency, within the frame of Project RES2IN of the Program of Incentives to Technological Research Development [171410]
- Portuguese Foundation for Science and Technology [SFRH/BD/51578/2012]
- MIT-Portugal Program
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Replacing autoclave processes is a well-known industry drive in the composites community. One of the most recognized candidates for this replacement is high injection pressure resin transfer moulding (HIPRTM), because it is both an out of autoclave process and because the high processing pressures can, hypothetically, reduce the size of voids, thereby reducing void content. In order to clarify this issue, this paper presents our results on the size distribution and total void fraction of composites containing high fibre volume fractions (>60%) composites produced by HIPRTM. To substantiate this work we present a comparative study considering both autoclave and RTM at lower pressure/fibre volume fractions. Results show that HIPRTM is able to produce high fibre volume fraction parts at very low void content (<0.05%) and is comparable to autoclave results. Future work should study the mechanical properties of these laminates in order to clarify further the limits of HIPRTM. (C) 2015 Elsevier Ltd. All rights reserved.
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