Approaches in Modelling the Mechanical Characteristics of Polymeric Composites Reinforced with Woven Fabrics
Tomme: LXI (LXV) Fascicle: 1 | 2015
Pages: 57-68
Abstract text:
The structure of the fabric, when it is used as a composite reinforcement, have a major influence on the mechanical properties of a fabric reinforced composite material. Composite design and analysis requires a computer tool, not only to link composite properties to fabric micro and macro geometry, but also to link fabric micro geometry to the weaving pattern. The complex structure of textile composite comprises of several hierarchical levels: macro (composite component or sub-component), meso (unit cell of the reinforcement structure) and micro (fibre placement inside yarns and fibrous plies). The most specific to textile composites is meso level, where the structure dependent behaviour of the material is most pronounced. This is the most important level at which the optimization of the structure and the constituents should be performed. Continuous and discrete approaches are possible for the forming simulations of composite textile reinforcements because of their multi-scale structure. In recent years, due to the advancement of structural and material modelling technology, a relatively accurate geometrical textile composites models have been developed through computer aided engineering and textile geometric modelling software. This paper emphasizes the modelling procedures of mechanical elastic proprieties specific to woven laminated composites.
Key Words:
textile composites; mechanics of woven composites; unit cell; composite reinforcements.
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