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FAST-DJB046Acad. year: 2021/2022
Development, distribution and types of composite materials and their characteristics.Matrix and dispersed phase materials.Composite action in the material structure. The influence of the structure on the properties of composites.Variables defining properties of composites. Design of composites, choice of components and production problems.Particle Composites I to III. type.Fiber composites, fiber types (long and short fibers, carbon, metal, glass, basalt and polymer, whiskers) and matrix types.Composite materials with cement matrix and fiber reinforcement, glass fiber reinforced concrete, fiber cement composites, fiber reinforced concrete with steel fibers. Slenderness ratio. Critical fiber length.Composite materials with polymeric matrix and fiber reinforcement (FRP). Pultrussion process. New materials for reinforcing structures, lamellas, reinforcement fabrics. Composites reinforced with strips. Laminates. Hybrid composites.Unidirectional composites - Relative representation of phases (volume and mass representation of components, basic computational relations). Longitudinal strength and stiffness, working diagram during tensile stress (graphs, basic calculation relationships). Thermal expansion, transport properties, transmission coefficient (graphs, basic computational relations). Module of elasticity and strength of short-fiber composites.
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