Physics · Stress-Strain Behavior
Which statement accurately describes the ideal stress (σ) versus strain (ε) plot characteristics of an Elastic-Perfectly Plastic material?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1It shows a linear elastic relationship up to the yield point, followed by a horizontal line where strain increases at constant yield stress.✓
- 2It shows a continuous parabolic increase in stress with respect to strain without any clear proportional elastic region.
- 3It remains entirely horizontal from the initial application of loading, experiencing infinite deformation without elastic behavior.
- 4It shows a linear elastic upward line that immediately drops to zero stress as soon as the yielding limit is exceeded.
Correct answer
It shows a linear elastic relationship up to the yield point, followed by a horizontal line where strain increases at constant yield stress.
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