A Brazilian disk for measuring fracture toughness of orthotropic materials
Document Type
Article
Publication Date
3-1996
Department
Department of Mechanical Engineering-Engineering Mechanics
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.
Publication Title
Acta Materialia
Recommended Citation
Huang, Y.,
Liu, C.,
&
Stout, M.
(1996).
A Brazilian disk for measuring fracture toughness of orthotropic materials.
Acta Materialia,
44(3), 1223-1232.
http://doi.org/10.1016/1359-6454(95)00229-4
Retrieved from: https://digitalcommons.mtu.edu/michigantech-p/5819