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Young Modulus (E) = Stress / Strain (Within Elastic Limit i.e. Hooke's Law)

Where: Stress = Force / Cross sectional area

Strain = Change in length / original length

% Elongation = increase in gauge length / Original gauge x 100%

To calculate the reduction in area: you need to calculate the original area of the specimen using the original dimensions of specimen then calculate the change in areaof the specimen using change in dimensions after the test. The difference between the two areas will give you the change in area.

I hope this info helps.

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15y ago

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