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Strain gage behavior on sandwich glasses

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Conclusions

The tests demonstrated that when the strain gages are applied in the manner described in this paper, satisfactory results can be expected. The thermal coefficients of expansion obtained from the apparent strains are reliable for the temperature ranges tested. Thermal drift is small enough to be neglected. Mechanical hysteresis and creep are due to the sandwich glass panel construction, and not due to gage type or installation. Finally, it was demonstrated that the gage type and installation method are suitable for dynamic impact tests which can lead to improved sandwich type windshield panels.

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References

  1. Specified tecnica per la fornitura di vetri di sicurezza per rotabili ferroviari. Specifica tecnica F.S. S.MB/A.03/ST 115.1 (1988).

  2. Steindler, R., “High Temperature Strain Gage Behavior on Carbon Materials,” EXPERIMENTAL MECHANICS, 241–248 (Sept. 1988).

  3. VDI/VDE 2635, “Dehnungsmesstreifen mit metallischgen Messgitter, Kenngrossen und Prufledingungen.” (1979).

  4. BSI, “Methods for Calibration of Bonded Electric Resistance Strain Gages” (1972).

  5. NAS 942, “Strain Gages, Bonded Resistance” (1963).

  6. “Handbook of Thermophisical Properties of Materials,” Pergamon Press, Oxford (1961–63).

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Authors and Affiliations

  1. Instituto Sperimentale Ferrovie dello Stato, Rome, Italy

    G. Kajon

  2. Dipartimento di Meccanica e Aeronautica, Universita di Roma “La Sapienza,”, Rome, Italy

    R. Steindler (SEM Member, Professor)

Authors
  1. G. Kajon
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  2. R. Steindler
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Kajon, G., Steindler, R. Strain gage behavior on sandwich glasses. Exp Tech 21, 23–27 (1997). https://doi.org/10.1111/j.1747-1567.1997.tb00519.x

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  • DOI: https://doi.org/10.1111/j.1747-1567.1997.tb00519.x

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