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An algorithm for determining tensile properties from digitally recorded tensile test data

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Summary

The outlined algorithm can be easily programmed to analyze tensile test data and eliminate any subjective bias introduced with graphical analysis methods. The procedure utilizes a ratio test combined with traditional numerical analysis techniques to determine Young’s modulus and yield strength values. The technique represents an expanded algorithm which should be used in conjunction with the ASTM analysis method. Finally, the procedure is not effective with materials exhibiting an SYS to STS ratio approaching unity.

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References

  1. “E8-87a: Standard Test Methods of Tension Testing of Metallic Materials,” 1988 Annual Book of ASTM Standards, 3.01, American Society for Testing and Materials, 121–136 (1988).

  2. “B557-84: Standard Methods of Tension Testing Wrought and Cast Aluminum- and Magnesium-Alloy Products,” 1988 Annual Book of ASTM Standards, 3.01, American Society for Testing and Materials, 41–51 (1988).

  3. “E111-82: Standard Test Method for Young’s Modulus, Tangent Modulus and Chord Modulus,” 1988 Annual Book of ASTM Standards, 3.01, American Society for Testing and Materials, 271–276 (1988).

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Authors and Affiliations

  1. School of Mechanical Engineering, Purdue University, West Lafayette, IN, USA

    P. C. McKeighan (SEM Member, Graduate Research Assistant) & B. M. Hillberry (Professor)

Authors
  1. P. C. McKeighan
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  2. B. M. Hillberry
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McKeighan, P.C., Hillberry, B.M. An algorithm for determining tensile properties from digitally recorded tensile test data. Exp Tech 15, 27–30 (1991). https://doi.org/10.1111/j.1747-1567.1991.tb01224.x

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  • DOI: https://doi.org/10.1111/j.1747-1567.1991.tb01224.x

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