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Measurements of the temperature rise ahead of a fatigue crack

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Summary

The temperature rise ahead of a fatigue crack has been measured using a Thermovision camera. Observations were made on three kinds of polymer and an austenitic stainless steel. The maximum temperature difference in macro-scale between the zone ahead of the crack and the bulk of the material was found to be, for the polymers, about 30°C at 725 N/min and amplitude o.1–0.8 kp/mm2 and, for the steel, 14°C at 6000 N/min and amplitude 3.0–24.0 kp/mm2.

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References

  1. G. I. Barenblatt, V.M. Entov, and R.L. Salganik, On the Influence of Vibrational Heating on the Fracture Propagation in Polymeric Materials, IUTAM Symposium on Thermoinelasticity, East Kilbride, June 25–28, 1968

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Authors and Affiliations

  1. AB Atomenergi, Box 43041, S-100 72, Stockholm 43, Sweden

    R. Attermo & G. Östberg

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  1. R. Attermo
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  2. G. Östberg
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Attermo, R., Östberg, G. Measurements of the temperature rise ahead of a fatigue crack. Int J Fract 7, 122–124 (1971). https://doi.org/10.1007/BF00236493

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  • DOI: https://doi.org/10.1007/BF00236493

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