A Brazilian disk for measuring fracture toughness of orthotropic materials

Y. Huang; C. Liu; M. G. Stout

doi:10.1016/1359-6454(95)00229-4

A Brazilian disk for measuring fracture toughness of orthotropic materials

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

^*Corresponding author for this work

Civil and Environmental Engineering

Research output: Contribution to journal › Article › peer-review

15 Scopus citations

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 K_I and K_II are presented.

Original language	English (US)
Pages (from-to)	1223-1232
Number of pages	10
Journal	Acta Materialia
Volume	44
Issue number	3
DOIs	https://doi.org/10.1016/1359-6454(95)00229-4
State	Published - Mar 1996

ASJC Scopus subject areas

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

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