Mechatronic Systems Engineering 3301A/B Lecture Notes - Lecture 33: Beryllium, Aluminium Oxide
19 Aug 2020
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Document Summary
Composites combine two solid components one (reinforcement) as fibers or particles, contained in the other (matrix) Hybrids combining two solid materials as fibers or particles in a matrix. In principle, nearly any two materials can be combined to make a composite. Requirement of stiff, strong, tough, and light materials especially from aerospace, automotive, sports industries. Most properties are some average of those of the components, although some (e. g. toughness) can be greater than that of either. Structure imposes limits on volume fractions as well. Composites are fully dense and strongly bonded there is no tendency for the components to separate at their interfaces when the composite is loaded. This is a real issue in composite design an a huge area of research. The scale of the reinforcement is large compared to that of the atom or molecule size and the dislocation spacing. Generally ok for commercial composites, not for nanostructured materials.
