Words to Know
Fiber: In terms of composite fillers, a fiber is a filler with one long dimension.
Matrix: The part of the composite that binds the filler.
Particle: In terms of composite fillers, a particle is a filler with no long dimension.
Some forms of aluminum siding used in homes are also composite materials. Thin sheets of aluminum metal are attached to polyurethane foam. The polyurethane foam is itself a composite consisting of air mixed with polyurethane. Joining the polyurethane foam to the aluminum makes the aluminum more rigid and provides excellent insulation, an important property for the walls of a house.
In general, composites are developed because no single structural material can be found that has all of the desired characteristics for a given application. Fiber-reinforced composites, for example, were first developed to replace aluminum alloys (mixtures), which provide high strength and fairly high stiffness at low weight but corrode rather easily and can break under stress.
Words to Know
Fiber: In terms of composite fillers, a fiber is a filler with one long dimension.
Matrix: The part of the composite that binds the filler.
Particle: In terms of composite fillers, a particle is a filler with no long dimension.
Some forms of aluminum siding used in homes are also composite materials. Thin sheets of aluminum metal are attached to polyurethane foam. The polyurethane foam is itself a composite consisting of air mixed with polyurethane. Joining the polyurethane foam to the aluminum makes the aluminum more rigid and provides excellent insulation, an important property for the walls of a house.
In general, composites are developed because no single structural material can be found that has all of the desired characteristics for a given application. Fiber-reinforced composites, for example, were first developed to replace aluminum alloys (mixtures), which provide high strength and fairly high stiffness at low weight but corrode rather easily and can break under stress.
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