Journal
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
Volume 118, Issue -, Pages 213-222Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesa.2018.12.030
Keywords
Optical techniques; Transport Phenomena analysis; Process monitoring; Rheology
Funding
- FUI-AAP20 Regions Projects (France) within the INCREASE project
- Solvay
- IFTH
- Billion SAS
- Pernoud
- Chomarat Textiles Industries
- IPC
- INSA Lyon
- Centrale Nantes
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During compression of saturated fibrous reinforcement, the flow of the liquid can, under certain conditions, generate fiber-tows washout (in-plane movement of fiber-tows) due to the strong hydrodynamically induced force on the fibrous reinforcement. The objective of the study is first to detect experimentally the onset and measure the full-field magnitude of the flow-induced in-plane deformation occurring during the compression. Secondly, a methodology is presented, aiming at defining the mechanical signature of fiber-tow washout on transverse compression tests. For this purpose, a large-scale semi-transparent test bench has been developed in order to dynamically track the in-plane motion of the fiber-tows occurring in saturated compression. Then, a nomogram is given to identify a process window of a saturated fibrous reinforcement processed by consolidation.
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