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Problem of Tensile Stress?

Math problem dealing with elastic range of stress-strain curve?

  • A sample of material is subjected to a stress-strain test. During the test the strain observed at a stress of 16,500 psi is 0.000550 inches per inch. What is this material if the test is run within the elastic range of the stress-strain curve?

  • Answer:

    E= Stress/Strain = Modulus of Elasticity E= 16,500/0.000550 = 30,000,000 psi Therefore the material is structural carbon steel or equal.

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E = 16500/.00055 = 29 M PSI This value is close to that found for steels and irons

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