Unraveling the effect of collagen damage on bone fracture using | ResearchBunny

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Abstract

This study investigates the impact of nanoscale collagen damage on bone fracture toughness using a bovine heat-treatment model. An in situ toughness testing technique with synchrotron radiation micro-computed tomography (SRµCT) and deep learning is employed to analyze microscale crack growth in 3D. Results show that collagen damage significantly reduces macroscale toughness and post-yield properties, primarily by reducing crack deflection, a key microscale fracture resistance mechanism.

Publisher

Communications Materials

Published On

Oct 21, 2022

Authors

Michael Sieverts, Yoshihiro Obata, James L. Rosenberg, William Woolley, Dilworth Y. Parkinson, Harold S. Barnard, Daniël M. Pelt, Claire Acevedo

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