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Additional recommended knowledge
The formula for computing the tensile stress in a rod is:
where σ is the tensile stress, F is the tensile force over the rod and A is the cross-sectional area of the rod.
Many of the mechanical properties of a material can be extracted from a tensile test. In a tensile test, a sample is strained at a constant rate and the stress needed to maintain this strain rate is measured. The stress and strain can either be measured in terms of engineering stress and strain or true stress and strain. The elastic modulus, the ultimate tensile stress, the fracture stress, the modulus of toughness, and the modulus of resilience can all be determined from a tensile test.
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Tensile_stress". A list of authors is available in Wikipedia.