Science Fair Project Encyclopedia
Stress-strain curve
A stress-strain curve is a graph derived from measuring load (stress) versus extension (strain) for a sample of a material. The nature of the curve varies from material to material. The curve usually seen is for a ductile metal. This features an initial elastic region, followed by a plastic region, followed by fracture. An example is below.
See also: modulus of elasticity, Hooke's law.
10-26-2009 08:16:03
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The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details