Materials Science: Composites (Chapter 16) How do we predict the stiffness and strength of the various...

Materials Science: Composites (Chapter 16)

How do we predict the stiffness and strength of the various types of composites?

Expert Solution

A material that is composed of two or more materials at a microscopic scale and has chemically distinct phases.

Heterogeneous at a microscopic scale but statically homogeneous at a macroscopic scale.

Stiffness is an indicator of the tendency for an element to return to its original form after being subjected to a force. Strength measures how much stress can be applied to an element before it deforms permanently or fractures.

Since stiffness and strength are both related to the elastic modulus of a material (Young’s Modulus). By calculating the value of Young's modulus by using the stress-strain curve or by bending of beam-like experiment we can calculate the value of stiffness and the strength of the material.

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