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Explain proportional limit and elastic limit.
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Answer Posted / sirohisakshi
Elastic and proportional limits are terms used while describing the stress-strain curve
Elastic limit- within elastic limit stress veries directly with strain and curve follow straight line equation ( mx+c=y) .. and then after this the equation obtained is that of a curve (here also as stress increases /decreases the strain also increases/decreases ) which is y=x^2
Limit upto which curve follow straight line equation is proportional limit
Elastic limit begins with proportional limit and ends where curve equation ends (consist of both straight line equation+ equation of curve)
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