Stress
Load on a specimen divided by the area through which it acts. As used with most mechanical tests, stress is based on original cross-sectional area without taking into account changes in area due to applied load. This sometimes is called conventional or engineering stress. True stress is equal to the load divided by the instantaneous cross-sectional area through which it acts.
3400 Series - Affordable Testing Solutions
Instron 3400 Series Universal Testing Systems for Tensile, Compression, Bend, and other material property tests.
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