Overview: Damage resistance of graded ceramic restorative materials

Yu Zhang

Research output: Contribution to journalReview articlepeer-review


Improving mechanical response of materials is of great interest in a wide range of disciplines, including biomechanics, tribology, geology, optoelectronics, and nanotechnology. It has been long recognized that spatial gradients in surface composition and structure can improve the mechanical integrity of a material. This review surveys recent results of sliding-contact, flexural, and fatigue tests on graded ceramic materials from our laboratories and elsewhere. Although our findings are examined in the context of possible applications for next-generation, graded all-ceramic dental restorations, implications of our studies have broad impact on biomedical, civil, structural, and an array of other engineering applications.

Original languageEnglish (US)
Pages (from-to)2623-2632
Number of pages10
JournalJournal of the European Ceramic Society
Issue number11
StatePublished - Aug 2012


  • Dental ceramics
  • Fatigue
  • Flexural damage resistance
  • Graded structures
  • Sliding-contact resistance
  • Zirconia

ASJC Scopus subject areas

  • Ceramics and Composites
  • Materials Chemistry


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