Correlation of uniaxial and biaxial fracture strengths of ceramics

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The increased utilization of brittle materials in structural applications has necessitated a need for better understanding of factors governing fracture strengths in multiaxial stress states. The research on which this paper is based examines the problem of relating fracture strengths of ceramics in biaxial stress states to strengths in uniaxial stress states. The problem is divided into two parts: in the first part fracture criteria for failure of brittle materials from single flaws are evaluated through controlled-flaw experiments in different stress states and fracture mechanics theory. The derived fracture criteria are then employed in a statistical fracture theory framework to ... continued below

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Pages: 11

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Shetty, D.K.; Petrovic, J.J.; Rosenfield, A.R. & Duckworth, W.H. January 1, 1984.

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Description

The increased utilization of brittle materials in structural applications has necessitated a need for better understanding of factors governing fracture strengths in multiaxial stress states. The research on which this paper is based examines the problem of relating fracture strengths of ceramics in biaxial stress states to strengths in uniaxial stress states. The problem is divided into two parts: in the first part fracture criteria for failure of brittle materials from single flaws are evaluated through controlled-flaw experiments in different stress states and fracture mechanics theory. The derived fracture criteria are then employed in a statistical fracture theory framework to predict strengths of ceramics failing from surface flaws.

Physical Description

Pages: 11

Notes

NTIS, PC A02/MF A01.

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  • 6. international conference on fracture, New Delhi, India, 4 Dec 1984

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  • Other: DE85003779
  • Report No.: LA-UR-84-3496
  • Report No.: CONF-841203-4
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 6310901
  • Archival Resource Key: ark:/67531/metadc1203908

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Office of Scientific & Technical Information Technical Reports

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  • January 1, 1984

Added to The UNT Digital Library

  • July 5, 2018, 11:11 p.m.

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  • Aug. 8, 2018, 1:09 p.m.

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Shetty, D.K.; Petrovic, J.J.; Rosenfield, A.R. & Duckworth, W.H. Correlation of uniaxial and biaxial fracture strengths of ceramics, article, January 1, 1984; United States. (digital.library.unt.edu/ark:/67531/metadc1203908/: accessed January 19, 2019), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.