Stress and strain curve
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Amar Kumar 7 years, 7 months ago
Stress- Strain Curve :It is a curve between stress and strain. A graph is plotted between the stress (which is equal in magnitude to the applied force per unit area) and the strain produced.
The graph helps us to understand how a given material deforms with increasing loads.
The curve between O and A, is a straight line. This means stress is directly ∝ to strain.
In this region Hooke’s Law is applicable.
In this region the material behaves like an elastic body.
In the region from A to B, stress and strain are not directly ∝. But still the material returns to its original dimension after the force is removed. They exhibit elastic properties.
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