Stress Strain Curve:
During testing of a material sample, the stress–strain curve is a graphical representation of the relationship between stress, and strain, i.e. elongation, compression, or distortion. The nature of the curve varies from material to material.
Stress Strain Curve of a Typical Steel
In the Above figure
1. Ultimate Strength
2. Yield Strength
3. Rupture
4. Strain hardening region
5. Necking region.
During testing of a material sample, the stress–strain curve is a graphical representation of the relationship between stress, and strain, i.e. elongation, compression, or distortion. The nature of the curve varies from material to material.
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