Porosity reduction using optimized flow velocity in Resin Transfer Molding

Composites Part A: Applied Science and Manufacturing

Volumn 39, Issue 12, 2008, Pages 1859-1868

  Leclerc, Jean Sébastien ^a   Ruiz, Edu ^a  

^a DEPARTMENT OF CHEMICAL ENGINEERING   (Canada)

Author keywords

B. Capillary forces; B. Mechanical properties; B. Porosity; E. Resin Transfer Molding

Indexed keywords

ABS RESINS; ATMOSPHERIC RADIATION; CAPILLARITY; CARBON FIBER REINFORCED PLASTICS; COST EFFECTIVENESS; FORMING; IMPREGNATION; INDUSTRIAL APPLICATIONS; LAMINATES; MANUFACTURE; MECHANICAL PROPERTIES; MOLDING; POLYMER MATRIX COMPOSITES; POROSITY; RESINS; SPINNING (FIBERS); TRANSFER MOLDING;

B. CAPILLARY FORCES; B. MECHANICAL PROPERTIES; B. POROSITY; CAPILLARY NUMBERS; CAPILLARY PRESSURES; COMMON SOURCES; COMPOSITE LAMINATES; E. RESIN TRANSFER MOLDING; EXPERIMENTAL ANALYSES; FIBER BEDS; FIBER TOWS; FLUID VELOCITIES; INJECTION PRESSURES; LCM PROCESSES; LIQUID COMPOSITE MOLDINGS; LONG TERMS; MANUFACTURING TECHNIQUES; MEDIUM RANGES; OPTIMIZED FLOWS; POLYMER COMPOSITES; POROSITY REDUCTIONS; RESIN INJECTIONS; SCIENTIFIC KNOWLEDGES; VOLUME PRODUCTIONS;

RESIN TRANSFER MOLDING;

CAPILLARITY; CARBON FIBERS; COST EFFECTIVENESS; FORMING; IMPREGNATION; LAMINATES; MANUFACTURE; MECHANICAL PROPERTIES; MOLDING; POROSITY; SPINNING; SYNTHETIC POLYMERS;

EID: 56049128120     PISSN: 1359835X     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.compositesa.2008.09.008     Document Type: Article

References (37)

1. Varna J., et al. Effect of voids on failure mechanisms in Rtm laminates. Compos Sci Technol 53 2 (1995) 241-249
2. Gowayed Y.A. The effect of voids on the elastic properties of textile reinforced composites. J Compos Technol Res 19 3 (1997) 168-173
3. Goodwin A, Howe C, Paton R. The role of voids in reducing the interlaminar shear strength in RTM laminates. In: International conference on composites materials ICCM-11, Gold Coast, Australia, 1997.
4. Wang B.C., et al. Resin transfer moulded silica fibre/phenolics composites fabricated via solution impregnation route. Mater Sci Technol 23 7 (2007) 869-874
5. Ruiz E., et al. Optimization of injection flow rate to minimize micro/macro-voids formation in resin transfer molded composites. Compos Sci Technol 66 3-4 (2006) 475-486
6. Olivier P., Cottu J.P., and Ferret B. Effects of cure cycle pressure and voids on some mechanical-properties of carbon-epoxy laminates. Composites 26 7 (1995) 509-515
7. Liu L., et al. Effects of cure cycles on void content and mechanical properties of composite laminates. Compos Struct 73 3 (2006) 303-309
8. Jeong H. Effects of voids on the mechanical strength and ultrasonic attenuation of laminated composites. J Compos Mater 31 3 (1997) 276-292
9. Dealmeida S.F.M., and Neto Z.D.N. Effect of void content on the strength of composite laminates. Compos Struct 28 2 (1994) 139-148
10. Ghiorse S.R. Effect of Void Content on the Mechanical-Properties of Carbon Epoxy Laminates. Sampe Q: Soc Adv Mater Process Eng 24 2 (1993) 54-59
11. Rudd C.D. Liquid moulding technologies resin transfer moulding, structural reaction injection moulding and related processing techniques (1997), Woodhead Publishing Limited. Society of Automotive Engineers, Cambridge, England, Warrendale, PA
12. Jian-Mao T., Woo I.L., and Springer G.S. Effects of cure pressure on resin flow, voids, and mechanical properties. J Compos Mater 21 5 (1987) 421-440
13. Breard J., et al. Analysis of dynamic flows through porous media. Part I: Comparison between saturated and unsaturated flows in fibrous reinforcements. Polym Compos 24 3 (2003) 391-408
14. Pillai K.M. Modeling the unsaturated flow in liquid composite molding processes: a review and some thoughts. J Compos Mater 38 23 (2004) 2097-2118
15. Deparseval Y., Pillai K.M., and Advani S.G. A simple model for the variation of permeability due to partial saturation in dual scale porous media. Transp Porous Media 27 3 (1997) 243-264
16. Jinlian H., Yi L., and Xueming S. Study on void formation in multi-layer woven fabrics. Compos Part A: Appl Sci Manufact 35 5 (2004) 595-603
17. Pillai K.M., and Advani S.G. A model for unsaturated flow in woven fiber preforms during mold filling in resin transfer molding. J Compos Mater 32 19 (1998) 1753-1783
18. Pillai K.M. Governing equations for unsaturated flow through woven fiber mats. Part 1: Isothermal flows. Compos Part A: Appl Sci Manufact 33 7 (2002) 1007-1019
19. Patel N., and Lee L.J. Effects of fiber mat architecture on void formation and removal in liquid composite molding. Polym Compos 16 5 (1995) 386-399
20. Patel N., Rohatgi V., and Lee L.J. Micro scale flow behavior and void formation mechanism during impregnation through a unidirectional stitched fiberglass mat. Polym Eng Sci 35 10 (1995) 837-851
21. Ruiz E., et al. A fast numerical approach to reduce void formation in liquid composite molding. FPCM-8 (2006), Mines de Douai, France
22. Patel N., and Lee L.J. Modeling of void formation and removal in liquid composite molding. 1: Wettability analysis. Polym Compos 17 1 (1996) 96-103
23. Lee G.W., and Lee K.J. Mechanism of void formation in composite processing with woven fabrics. Polym Polym Compos 11 7 (2003) 563-572
24. Lee D.H., Lee W.I., and Kang M.K. Analysis and minimization of void formation during resin transfer molding process. Compos Sci Technol 66 16 (2006) 3281-3289
25. Mahale A.D., Prud'homme R.K., and Rebenfeld L. Characterization of voids formed during liquid impregnation of nonwoven multifilament glass networks as related to composite processing (1993), NASA, Washington, DC, USA, Philadelphia, PA, USA
26. Spaid M.A.A., and Phelan Jr. F.R. Modeling void formation dynamics in fibrous porous media with the lattice Boltzmann method. Compos Part A: Appl Sci Manufact 29 7 (1998) 749-755
27. Verrey J., Michaud V., and Manson J.A.E. Dynamic capillary effects in liquid composite moulding with non-crimp fabrics. Compos Part A: Appl Sci Manufact 37 1 (2006) 92-102
28. Kang M.K., Lee W.I., and Hahn H.T. Formation of microvoids during resin-transfer molding process. Compos Sci Technol 60 12-13 (2000) 2427-2434
29. Binetruy C., Hilaire B., and Pabiot J. Tow impregnation model and void formation mechanisms during RTM. J Compos Mater 32 3 (1998) 223-245
30. Chen Y.T., Davis H.T., and Macosko C.W. Wetting of fiber mats for composites manufacturing. 1: Visualization experiments. AIChE J 41 10 (1995) 2261-2273
31. Chen Y.T., Macosko C.W., and Davis H.T. Wetting of fiber mats for composites manufacturing. 2: Air entrapment model. AIChE J 41 10 (1995) 2274-2281
32. Labat L., et al. Void fraction prevision in LCM parts. Eur Phys J: Appl Phys 16 2 (2001) 157-164
33. Patel N., and Lee L.J. Modeling of void formation and removal in liquid composite molding. 2: Model development and implementation. Polym Compos 17 1 (1996) 104-114
34. Ruiz E., Achim V., and Trochu F. Coupled non-conforming finite element and finite difference approximation based on laminate extrapolation to simulate liquid composite molding processes. Part 1: Isothermal flow. Sci Eng Compos Mater 14 2 (2007) 85-112
35. Trochu F, Ruiz E, Achim V, Soukane S. New approaches to accelerate calculations and improve accuracy of numerical simulations in liquid composite molding. In: International Conference on Flow Processes in Composite Materials. Delaware, USA, July 7-9, 2004.
36. Zhou F., Kuentzer N., Simacek P., Advani S.G., and Walsh S. Analytic characterization of the permeability of dual-scale fibrous porous media. Compos Sci Technol 66 15 (2006) 2795-2803
37. Ruiz E., Achim V., Bréard J., Chatel S., and Trochu F. A fast numerical approach to reduce void formation in liquid composite molding. Flow processes in composite mateirals conference (FPCM-8) (2006), Mines de Douai, France July 11-13