On-line analysis of cracking in cortical bone under wedge penetration

Khurshid Alam; Greet Kerckhofs; Alexander V. Mitrofanov; Stepan Lomov; Martin Wevers; Vadim V. Silberschmidt

doi:10.1177/0954411912451824

On-line analysis of cracking in cortical bone under wedge penetration

Khurshid Alam^*, Greet Kerckhofs, Alexander V. Mitrofanov, Stepan Lomov, Martin Wevers, Vadim V. Silberschmidt

^*Corresponding author for this work

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

7 Citations (Scopus)

Abstract

Understanding the mechanism of crack propagation during bone cutting is necessary for the development of realistic bone cutting models. This article studies the on-line fractural behaviour of cortical bone caused by penetration with a sharp metallic wedge mounted on an on-line loading stage within an X-ray microfocus computed tomography system. The experimental results demonstrated anisotropy in crack propagation depending on the penetration direction with regard to the longitudinal bone axis and relate the crack growth to the extent of penetration. Scanning electron microscopy is performed to analyse the mechanism of cracking in the two phase microstructure of compact bone.

Original language	English
Pages (from-to)	709-717
Number of pages	9
Journal	Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine
Volume	226
Issue number	9
DOIs	https://doi.org/10.1177/0954411912451824
Publication status	Published - Sep 2012
Externally published	Yes

Keywords

Bone
computed tomography
crack growth
fracture mechanics
scanning electron microscopy

ASJC Scopus subject areas

Mechanical Engineering

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10.1177/0954411912451824

Cite this

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title = "On-line analysis of cracking in cortical bone under wedge penetration",

abstract = "Understanding the mechanism of crack propagation during bone cutting is necessary for the development of realistic bone cutting models. This article studies the on-line fractural behaviour of cortical bone caused by penetration with a sharp metallic wedge mounted on an on-line loading stage within an X-ray microfocus computed tomography system. The experimental results demonstrated anisotropy in crack propagation depending on the penetration direction with regard to the longitudinal bone axis and relate the crack growth to the extent of penetration. Scanning electron microscopy is performed to analyse the mechanism of cracking in the two phase microstructure of compact bone.",

keywords = "Bone, computed tomography, crack growth, fracture mechanics, scanning electron microscopy",

author = "Khurshid Alam and Greet Kerckhofs and Mitrofanov, {Alexander V.} and Stepan Lomov and Martin Wevers and Silberschmidt, {Vadim V.}",

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T1 - On-line analysis of cracking in cortical bone under wedge penetration

AU - Alam, Khurshid

AU - Kerckhofs, Greet

AU - Mitrofanov, Alexander V.

AU - Lomov, Stepan

AU - Wevers, Martin

AU - Silberschmidt, Vadim V.

N1 - Funding Information: The authors wish to acknowledge financial support by the British Council Research Exchange Program (RXP).

PY - 2012/9

Y1 - 2012/9

N2 - Understanding the mechanism of crack propagation during bone cutting is necessary for the development of realistic bone cutting models. This article studies the on-line fractural behaviour of cortical bone caused by penetration with a sharp metallic wedge mounted on an on-line loading stage within an X-ray microfocus computed tomography system. The experimental results demonstrated anisotropy in crack propagation depending on the penetration direction with regard to the longitudinal bone axis and relate the crack growth to the extent of penetration. Scanning electron microscopy is performed to analyse the mechanism of cracking in the two phase microstructure of compact bone.

AB - Understanding the mechanism of crack propagation during bone cutting is necessary for the development of realistic bone cutting models. This article studies the on-line fractural behaviour of cortical bone caused by penetration with a sharp metallic wedge mounted on an on-line loading stage within an X-ray microfocus computed tomography system. The experimental results demonstrated anisotropy in crack propagation depending on the penetration direction with regard to the longitudinal bone axis and relate the crack growth to the extent of penetration. Scanning electron microscopy is performed to analyse the mechanism of cracking in the two phase microstructure of compact bone.

KW - Bone

KW - computed tomography

KW - crack growth

KW - fracture mechanics

KW - scanning electron microscopy

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On-line analysis of cracking in cortical bone under wedge penetration

Abstract

Keywords

ASJC Scopus subject areas

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