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Reduction in Area

Last updated: August 10, 2020

What Does Reduction in Area Mean?

Reduction in area is the difference between an original given cross-sectional area of a test specimen before being subjected to tension and the given area of its smallest cross-section after rupture at the conclusion of the test, with the original cross-sectional area expressed as a percentage. Reduction in area is a ductility measurement sometimes used for tensile testing and to determine the suitability of a material for a given application.

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Corrosionpedia Explains Reduction in Area

Percent reduction in area is usually used in engineering equations for the study of stress and strain in various objects undergoing such changes. The equation takes both the initial area as an input and the changed area to calculate the delta change. There is no negative value suitable for use in calculations of this concept when a change in area is due to a deforming strain applied to solids.

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Corrosion TestingScientific PropertiesPhysical Property Material ModificationMeasurementEngineering and Spec WritingInspection / Monitoring

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