Liquid Composite Molding

Liquid Composite Molding (LCM) is the common name for several similar processes for the manufacturing of polymeric fiber reinforced composites. Widely used processes that belong to this class are Resin Transfer Molding (RTM), Vacuum-Assisted Resin Injection (VARI), and Structural-Reaction Injection Molding (S-RIM). 

The latest trend in foamed composites is automotive structural parts produced by the SRIM (structural reaction-injection-molding) process. The SRIM process is a method of the reactive liquid injection molding (i.e., LIM). LIM includes RIM (reaction injection molding), RRIM (reinforced RIM) and RTM (resin transfer molding). IX M (Liquid Composite Molding) is a relatively new technical term which includes SRIM, RRIM and RTM (Resin Transfer Molding). 

Liquid composite molding (LCM) processes such as resin transfer molding (RTM) have been long established in the automotive and aerospace industries as versatile technologies for manufacturing medium to large composite parts with complex geometries at low cost. All LCM processes involve the injection of a liquid resin into a dry fiber perform, and are... 

LCM liquid composite molding LMI hquid metal infiltration... 

Reactive Melt Polymerization. The liquid composite molding (LCM) method is established for the fahricarion of thermosets. In contrast, reac-rive thermoplastic LCM processes are developed to only a few engineering polymers. The technique was applied to low-melting PA 6T/6I oligo-... 

M.J. Buntain, and S. Bickerton, Modeling forces generated within rigid liquid composite moldings tools. Part A Experimental study. Compos. A 38, 1729-1741 (2007). 

Berenberg, B., Liquid Composite Molding Achieves Aerospace Quality, Composites, Nov. 2003. 

Pamas, R., 2000. Liquid Composite Molding. Hanser Gamer Publications, New York, NY. 

Chapters 9 through 11 all belong to a class of processes called liquid composite molding (LCM). In this class of processes, one usually transfers the resin from a reservoir into a network of fibers. The fiber network is formed from any type of reinforcement from random mat to woven, stitched, noncrimp and bidirectional fabrics. This class of processes is very attractive as one can make net shape parts from composites using continuous fibers and have good control over the orientation of the fibers so one can tailor the properties as required by the design. Usually thermoset matrices are used... 

J. B. Alms, S. G. Advani and J. L. Glancey, Liquid Composite Molding control methodologies using Vacuum Induced Preform Relaxation , Composites Part A- Applied Science and Manufacturing, 42(f), 57-65. DOI 10.1016/j.compositesa.2010.10.002. January 2011. 

Pillai, K. M., Tucker, C. L. and Phelan, F. R., Numerical simulation of injection/ compression liquid composite molding. Part 2 Preform compression . Composites Part A Applied Science and Manufacturing, 32(2), 207-220, 2001. 

Bickerton, S. and Advani, S. G., Characterization of racetracking in liquid composite molding processes , Composites Science and Technology, 59, 2215-2229, 1999. 

Bickerton, S., Simacek, R, Pillai, K. M., Mogavero, J. and Advani, S. G., Important mold filling issues in liquid composite molding processes Modeling and experiments . In Annual Technical Conference - ANTEC, Materials, Proceedings of the 55th Annual Technical Conference, volume 2, 27 April—2 May 1997, pp. 2411-2423. 

Ballata, B., Walsh, S. and Advani, S. G., Measurement of the transverse permeability of fiber preforms . Journal of Reinforced Plastics and Composites, 18,1450-1464, 1999. Patel, N., Micro scale flow behavior, fiber wetting and void formation in liquid composite molding , PhD thesis, Ohio State University, 1997. 

Lee, L. J., Liquid composite molding . In T. G. Gutowski (ed.). Advanced composites manufacturing. New York John Wiley, 1997, Chapter 10. 

Parnas, R. S., Liquid composite molding. Munich Hanser Publishers, 2000. 

P. Simacek, Neacsu, V. and S. G. Advani. A phenomenological model for fiber tow saturation of dual scale fabrics in liquid composite molding. Polymer Composites, 31(11), 1881-1889, 2010. 

Dominauskasa, A., Heider, D. and Gillespie, J. W., Electric time-domain reflec-tometry sensor for online flow sensing in liquid composite molding processing . Composites Part A Applied Science and Manufacturing, 34(1), 61-1 A, 2003. 

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