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The effect of water on the critical stress intensity factor of unsaturated polyester resins

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Abstract

The effect of water on the critical stress intensity factor,K IC, of a highly unsaturated isophthalic polyester resin has been measured for periods of immersion of up to 2200 h in water at temperatures of 35, 70 and 80° C.K IC decreased from 0.84±0.1 MN m−3/2 to 0.24±0.03 MN m−3/2 after immersion for 2200 h in water at 80° C. The observed changes in the critical stress intensity factor indicate that a constant value is eventually reached. This is consistent with the decline being attributable to the leaching of extractable matter from the polyester resin.

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Author notes

  1. Neelam Taneja

    Present address: Rank Xerox Ltd, Welwyn Garden City, Herts

Authors and Affiliations

  1. School of Chemical and Physical Sciences, Kingston Polytechnic, Kingston-upon-Thames, Surrey, UK

    Geoffrey Pritchard, R. G. Rose & Neelam Taneja

  2. School of Mechanical Aeronautical and Production Engineering, Kingston Polytechnic, Kingston-upon-Thames, Surrey, UK

    R. G. Rose

Authors
  1. Geoffrey Pritchard
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  2. R. G. Rose
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  3. Neelam Taneja
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Pritchard, G., Rose, R.G. & Taneja, N. The effect of water on the critical stress intensity factor of unsaturated polyester resins. J Mater Sci 11, 718–722 (1976). https://doi.org/10.1007/BF01209459

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  • DOI: https://doi.org/10.1007/BF01209459

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