A Brazilian disk for measuring fracture toughness of orthotropic materials

Y. Huang*, C. Liu, M. G. Stout

*Corresponding author for this work

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

A Brazilian disk test specimen is calibrated for the determination of the mixed-mode fracture toughness of orthotropic materials. The specimen is well-suited for investigating the fracture toughness of orthotropic materials over the complete range of mode mixtures, 0-90°. The K dominance zone around the crack tip exists and can be as large as a/5 for the Brazilian disk, provided that the zone of nonlinear effects is small (a is the half-crack length). The rationale for determining the stress intensity factors under mixed-mode loading conditions and the calibration curves, relevant to a number of orthotropic materials, relating maximum load and loading angle to KI and KII are presented.

Original languageEnglish (US)
Pages (from-to)1223-1232
Number of pages10
JournalActa Materialia
Volume44
Issue number3
DOIs
StatePublished - Jan 1 1996

Fingerprint

Fracture toughness
Stress intensity factors
Crack tips
Calibration
Cracks

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Polymers and Plastics
  • Metals and Alloys

Cite this

Huang, Y. ; Liu, C. ; Stout, M. G. / A Brazilian disk for measuring fracture toughness of orthotropic materials. In: Acta Materialia. 1996 ; Vol. 44, No. 3. pp. 1223-1232.
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A Brazilian disk for measuring fracture toughness of orthotropic materials. / Huang, Y.; Liu, C.; Stout, M. G.

In: Acta Materialia, Vol. 44, No. 3, 01.01.1996, p. 1223-1232.

Research output: Contribution to journalArticle

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