Does thickness change as the sample is plastically deformed under uniaxial static tensile loading?

17 August 2023 0 4K Report

During plastic deformation (before necking) under uniaxial static tensile loading, the length of the gauge section increases and the width decreases so that the volume does not change.

Then, what about the thickness? Does the thickness change too (perhaps reduce) as the sample elongates? Or does it reduce after local necking (not diffuse necking!) occurs?

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