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Wicking Tests for Unidirectional Fabrics: Measurements of Capillary Parameters to Evaluate Capillary Pressure in Liquid Composite Molding Processes
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Chapters
- 00:05Title
- 00:46Fabric Sample Preparation
- 01:36Initial Geometric Factor Determination
- 03:03Determination of the Apparent Advancing Contact Angle
- 03:57Evaluation of Liquid Weight Contribution from the Sample Holder
- 04:57Results: Wicking Tests of Carbon Fabrics and Treated and Untreated Flax Fabrics
- 05:54Conclusion
An experimental method to measure geometrical parameters and the apparent advancing contact angles describing capillary wicking in unidirectional synthetic and natural fabrics is proposed. These parameters are mandatory for the determination of the capillary pressures that must be taken into account for liquid composite molding (LCM) applications.
