Composite materials are generally expensive.Many of the polymer‑based composites are subject to attack by chemicals or solvents, just as the polymers themselves are susceptible to attack.Properties of many important composites are anisotropic ‑ the properties differ depending on the direction in which they are measured – this may be an advantage or a disadvantage.Possible to achieve combinations of properties not attainable with metals, ceramics, or polymers alone Composites Lectureĭisadvantages and Limitations of Composite Materials.Composites can be designed that do not corrode like steel.Fatigue properties are generally better than for common engineering metals.Composites can be very strong and stiff, yet very light in weight, so ratios of strength‑to‑weight and stiffness‑to‑weight are several times greater than steel or aluminum.Wood (a natural composite as distinguished from a synthesized composite) Composites Lecture.
Plastic molding compounds containing fillers.Guide to Processing Composite Materials Composites LectureĬomposite Material Defined A materials system composed of two or more physically distinct phases whose combination produces aggregate properties that are different from those of its constituents.Technology and Classification of Composite Materials.Veazie Southern Polytechnic State University Composites Lecture
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