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Thermoelastic determination of individual stress components in loaded composites

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Abstract

An experimental-numerical hybrid method is developed for determining the individual stresses in orthotropic composites from measured thermoelastic information. This includes evaluating the thermoelastic calibration coefficients, effective processing of the noisy measured data, and separating the stress components at nonboundary locations. The method is illustrated experimentally by application to a uniaxially loaded fiber-reinforced composite plate containing a central circular hole.

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Author notes

  1. Z. Feng (Professor)

    Present address: Engineering Mechanics Department, University of Wisconsin, 1425 Johnson Drive, 53706, Madison, WI

Authors and Affiliations

  1. Jilin University of Technology, Changchun, China

    Z. Feng (Professor)

  2. Detroit Diesel Co., 13400 Outer Drive, W., 48239-4001, Detroit, MI

    D. Zhang (Senior Engineer)

  3. Engineering Mechanics Department, University of Wisconsin, 1425 Johnson Drive, 53706, Madison, WI

    R. E. Rowlands (Professor) & B. I. Sandor (Professor)

Authors
  1. Z. Feng
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  2. D. Zhang
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  3. R. E. Rowlands
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  4. B. I. Sandor
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Feng, Z., Zhang, D., Rowlands, R.E. et al. Thermoelastic determination of individual stress components in loaded composites. Experimental Mechanics 32, 89–95 (1992). https://doi.org/10.1007/BF02324718

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  • DOI: https://doi.org/10.1007/BF02324718

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