Arulappan, C and Duraisamy, A and Adhikari, D and Gururaja, S (2015) Investigations on pressure and thickness profiles in carbon fiber-reinforced polymers during vacuum assisted resin transfer molding. In: JOURNAL OF REINFORCED PLASTICS AND COMPOSITES, 34 (1). pp. 3-18.
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Systematic experiments have been carried out by monitoring the in-situ pressure and thickness profiles for three different configurations, viz., flat plate, flat plate with a central circular hole, and an L-section using vacuum assisted resin transfer molding (VARTM) process. The effect of anisotropy on resin flow has been quantified by considering uni-directional carbon fiber preforms with 0 degrees and 90 degrees orientation to the flow direction for each configuration. A quasi-isotropic 45 degrees/0 degrees/-45 degrees/90 degrees](S) layup has also been included for flat plate case. Additionally, the study has been extended to understand the effect of using high permeability medium for each configuration. Fluid pressure profiles and thickness variation profiles have been obtained using an array of pressure sensors and linear variable differential transformers for each configuration. Experimental data reveal that anisotropy (due to changing fiber orientations), configuration, and gravity significantly change fluid pressure and displacement fields obtained during VARTM.
| Item Type: | Journal Article |
|---|---|
| Publication: | JOURNAL OF REINFORCED PLASTICS AND COMPOSITES |
| Publisher: | SAGE PUBLICATIONS LTD |
| Additional Information: | Copyright for this articles belongs to the SAGE PUBLICATIONS LTD, 1 OLIVERS YARD, 55 CITY ROAD, LONDON EC1Y 1SP, ENGLAND |
| Keywords: | Vacuum assisted resin transfer molding; uni-directional carbon fiber preform; high permeability medium; process monitoring |
| Department/Centre: | Division of Mechanical Sciences > Aerospace Engineering(Formerly Aeronautical Engineering) |
| Date Deposited: | 14 Feb 2015 13:33 |
| Last Modified: | 14 Feb 2015 13:33 |
| URI: | http://eprints.iisc.ac.in/id/eprint/50810 |
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