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Development of a Simplified Fracture Toughness Tool for Polymers

This thesis presents research toward the development of a simple inexpensive fracture toughness tool for polymeric materials. Experiments were conducted to test the specimen configuration and the fracture toughness tool against an established ASTM standard for polymer fracture toughness, D5045, and a commonly used four-point bend method. The materials used in this study were polycarbonate and high density polyethylene. Reductions in both the production time and the variability resulting from the preparation of the specimens were addressed through the use of specially designed fixtures. The effects from the razor cut depths used in the chevron notch were compared to the fracture toughness values obtained in order to determine the effect upon the validity of the fracture toughness.

Identiferoai:union.ndltd.org:unt.edu/info:ark/67531/metadc278473
Date08 1900
CreatorsMarnock, Patrick J. (Patrick Joseph)
ContributorsFoster, Phillip R., Watt, George William, D'Souza, Nandika Anne, 1967-
PublisherUniversity of North Texas
Source SetsUniversity of North Texas
LanguageEnglish
Detected LanguageEnglish
TypeThesis or Dissertation
Formatvii, 84 leaves : ill., Text
RightsPublic, Copyright, Copyright is held by the author, unless otherwise noted. All rights reserved., Marnock, Patrick J. (Patrick Joseph)

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