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On mixed-mode I/II crack growth in dental resin materials

Authors
Journal
Scripta Materialia
1359-6462
Publisher
Elsevier
Publication Date
Volume
59
Issue
2
Identifiers
DOI: 10.1016/j.scriptamat.2008.03.026
Keywords
  • Biomaterials
  • Fracture
  • Toughness
  • Crack
  • Analytical Methods

Abstract

Dental restorative materials experience different combinations of tensile and shear loads. In this paper, the fracture initiation is studied under mixed-mode loading for two types of dental resins. A significant discrepancy is shown to exist between the test data reported for these materials and the theoretical results. A generalized maximum tangential stress criterion is then used for fracture analysis of the tested dental resins. The generalized criterion provides considerably improved estimates for fracture resistance of the tested materials.

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