Fracture characterization of bone under mode II loading using the end loaded split test

Fracture energy release rate under mode II loading of bovine cortical bone is determined using a miniaturized testing device of the end loaded split test. The energy release rate is evaluated by means of a data reduction scheme based on specimen compliance, beam theory and crack equivalent concept....

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Bibliographic Details
Published in:Journal of the mechanical behavior of biomedical materials 2011-11, Vol.4 (8), p.1764-1773
Main Authors: Pereira, F.A.M., Morais, J.J.L., Dourado, N., de Moura, M.F.S.F., Dias, M.I.R.
Format: Article
Language:English
Subjects:
Animals
Biomechanical Phenomena
Bone
Calibration
Cattle
End loaded split test
Femur - injuries
Femur - physiology
Femur - physiopathology
Finite Element Analysis
Fracture characterization
Fractures, Bone - physiopathology
Materials Testing - instrumentation
Materials Testing - methods
Mode II
Stress, Mechanical
Weight-Bearing
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Summary:Fracture energy release rate under mode II loading of bovine cortical bone is determined using a miniaturized testing device of the end loaded split test. The energy release rate is evaluated by means of a data reduction scheme based on specimen compliance, beam theory and crack equivalent concept. Experimental tests were carried out to evaluate the Resistance curve which provides a successful method to characterize fracture behavior of quasi-brittle materials like bone. A numerical analysis including a cohesive damage model was used to validate the procedure. It was demonstrated that the end loaded split test and proposed data reduction scheme provide a valuable solution for mode II fracture characterization of bone.
ISSN:1751-6161
1878-0180
DOI:10.1016/j.jmbbm.2011.05.033