Are percentage in elongation and reduction in area same?

28 April 2023 1 4K Report

What are their significance in measuring ductility? If they are different then why they are?

Professor William Callister wrote the famous book "Materials Science and Engineering: An Introduction".

Go to the chapter that discusses mechanical behavior of metals. You will find the answer there.

Long story short... elongation is about the change in length. Reduction in area is about the change in the cross-sectional area at the point of fracture.

The magnitudes of elongation and reduction in area will, in general, be different.

Best regards.

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