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Time-temperature dependent fracture toughness of PMMA

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Abstract

Some observations are made on the fractography of surfaces obtained by cracking “compact tension” profile testpieces of PMMA over a range of temperatures and crack speeds, both stably and unstably. To a first approximation, it was possible to group and “shift” (as in visco-elastic transformations) characteristic surface markings at various fracture toughness/temperature/crack velocity combinations, particularly in the range where a toughness-biased Ree-Eyring relationship described the experimental toughness data.

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Authors and Affiliations

  1. Department of Mechanical Engineering, University of Michigan, Ann Arbor, Michigan, USA

    A. G. Atkins, C. S. Lee & R. M. Caddell

Authors
  1. A. G. Atkins
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  2. C. S. Lee
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  3. R. M. Caddell
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Atkins, A.G., Lee, C.S. & Caddell, R.M. Time-temperature dependent fracture toughness of PMMA. J Mater Sci 10, 1394–1404 (1975). https://doi.org/10.1007/BF00540830

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  • DOI: https://doi.org/10.1007/BF00540830

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