Engineering, 04.11.2019 18:31, lilmamaforev5093

In a tension test, the area under the true-stress / true-strain curve is ui, the work done per unit volume (the specific work). the area under the load / elongation curve represents w, the work done on the specimen. this latter work w divided by v, the volume of the specimen between the gage marks, determines u2, the work done per unit volume, assuming that all deformation is confined between the gage marks. will u2, the latter specific work done per unit volume, be the same as ui, the area under the true-stress / true-strain curve? explain. will your answer hold true for any value of strain? explain.

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In a tension test, the area under the true-stress / true-strain curve is ui, the work done per unit...