How Much Tension Can You Apply to a Material Before It Breaks or Ruptures?

A tensile test, also known as tension test, is the answer to this question. In a tensile test, a specimen is subjected to a controlled tension while measuring the applied load and the elongation of the specimen. It is one of the most fundamental types of mechanical tests performed on a material. Results obtained from a tensile test are widely used to select a material for an application, for quality control, and to predict how a material will react under other types of forces.

A tensile test involves mounting the specimen in the instrument and subjecting it to tension. The tensile force is recorded as a function of the increase in gage length, which is then converted into a stress versus strain curve by taking into consideration of its dimensions. A typical stress-strain curve is shown above, from which information as follows can be obtained:

  • Modulus of Elasticity
  • Linear-Elastic Region
  • Yield Strength point
  • Ultimate Tensile Strength
  • Breaking Strength
  • Related Standards

Related Standards

  • 510(k)
  • Food & Drug Administration
  • ISO 10993
  • USP

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