Abstract
Abstract Since many years, liquid composite molding (LCM) processes represent a well‐established class of manufacturing techniques for the fabrication of semistructural and structural fiber‐reinforced composite parts. All LCM variants share the same basic principle: arbitrary fiber reinforcement is placed in a mold. After closing, a liquid resin is injected. The part is then cured and demolded. LCM technology is mainly used to manufacture thermoset composites, but it can also be applied to thermoplastic composites. This article describes the main features of LCM technologies. Process variants are introduced, and main processing steps are illustrated using the example of the resin transfer molding (RTM) process. Particular attention is devoted to the mathematical description of the resin flow through fibrous preforms. Further technological aspects such as material selection criteria, mold design, and processing equipment are also considered.
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