Fatigue loading and R-curve behavior of a dental glass-ceramic with multiple flaw distributions.

@article{Joshi2013FatigueLA,
  title={Fatigue loading and R-curve behavior of a dental glass-ceramic with multiple flaw distributions.},
  author={Gaurav V Joshi and Yuanyuan Duan and {\'A}lvaro Della Bona and Thomas J Hill and Kenneth R. St. John and Jason Allan Griggs},
  journal={Dental materials : official publication of the Academy of Dental Materials},
  year={2013},
  volume={29 11},
  pages={1123-31}
}
OBJECTIVES To determine the effects of surface finish and mechanical loading on the rising toughness curve (R-curve) behavior of a fluorapatite glass-ceramic (IPS e.max ZirPress) and to determine a statistical model for fitting fatigue lifetime data with multiple flaw distributions. MATERIALS AND METHODS Rectangular beam specimens were fabricated by pressing. Two groups of specimens (n=30) with polished (15 μm) or air abraded surface were tested under rapid monotonic loading in oil… CONTINUE READING

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