Composite materials

Composite materials

1. are

   • material made from two or more constituent materials
     • have
       • different physical or chemical properties that, when combined
         • produce
           • A material with characteristics different from the individual components.
             • this materials
               • could be preferred for many reasons
                 • less expensive.
                 • improvements in their properties
                 • its thermostability
                 • rigidity
                 • strength
             • this becomes a reinforced material
               • these are classified according to their type
                 • Nano composites
                   • they have a great variety
                     • at the nanometric scale
                       • their structure is usually more complicated than that of microcomposites
                         • they have different properties that are evaluated according to the compounds they have
                 • Glass composites
                   • Fibers
                     • Properties
                       • thermal insulation
                       • thermal conductivity
                   • Spheres
                   • Sand
                   • Powders
                 • Polymer composites
                   • Fibers
                     • is a
                       • multi-phase material
                         • and
                           • reinforcing fillers are integrated with a polymer matrix
                             • Properties
                               • lightweight
                               • high stiffness
                               • high strength
                               • good abrasion resistance
                               • good corrosion resistance
                   • Particles
                 • Ceramic composites
                   • Fibers
                     • can have
                       • Polycrystaline structure
                         • Also be
                           • Amorphous
                             • Properties
                               • high melting point
                               • high thermal/electrical conductivity
                               • low density
                       • inhomogeneous chemical composition
                   • Particles
                 • Metallic composites
                   • Fibers
                     • have a
                       • least two constituent parts
                         • Metal
                           • Properties
                             • high thermal conductivity
                             • high strength
                             • stiffness
                             • low coefficient of thermal expansion
                         • another material such as a ceramic or organic compound

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