The analysis of the bone fracture behaviour is fundamental for prevention, diagnosis and treatment of traumas. In the present paper, an experimental analysis of the fracture behaviour of a bovine femoral cortical bone is carried out, where specimens are extracted from a diaphysis. Fracture toughness is computed by employing a two-parameter fracture model originally proposed for concrete. In order to take into account the possibility of crack deflection (kinked crack) due to osteons orientation, a modified version of such a model is here discussed. The fracture toughness results are then compared with those reported in the literature, related to a femur of an 18-month-old bovine.
Two-parameter fracture model for cortical bone / Vantadori, Sabrina; Carpinteri, Andrea; Fortese, Giovanni; Ronchei, Camilla; Scorza, Daniela; Berto, Filippo. - In: FRATTURA E INTEGRITÀ STRUTTURALE. - ISSN 1971-8993. - 10:37(2016), pp. 215-220. [10.3221/IGF-ESIS.37.28]
Two-parameter fracture model for cortical bone
VANTADORI, Sabrina;CARPINTERI, Andrea;FORTESE, GIOVANNI;RONCHEI, Camilla;SCORZA, Daniela;
2016-01-01
Abstract
The analysis of the bone fracture behaviour is fundamental for prevention, diagnosis and treatment of traumas. In the present paper, an experimental analysis of the fracture behaviour of a bovine femoral cortical bone is carried out, where specimens are extracted from a diaphysis. Fracture toughness is computed by employing a two-parameter fracture model originally proposed for concrete. In order to take into account the possibility of crack deflection (kinked crack) due to osteons orientation, a modified version of such a model is here discussed. The fracture toughness results are then compared with those reported in the literature, related to a femur of an 18-month-old bovine.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
