MICROMECHANICS FRACTURE OF HAV- ERSIAIL CORTICAL BONE: AN ANALYTICAL APPROACH

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RAEISI NAJAFI A.; ARSHI A.; ESLAMI M.R.; FARIBORZ S.; MOEINZADEH M.

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Journal Paper

Paper Information

Journal: IRANIAN JOURNAL OF MECHANICAL ENGINEERING (ENGLISH) Year:2006 | Volume:7 | Issue:1 Page(s): 17-30

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Title

MICROMECHANICS FRACTURE OF HAV- ERSIAIL CORTICAL BONE: AN ANALYTICAL APPROACH

Author(s)

RAEISI NAJAFI A. | ARSHI A. | ESLAMI M.R. | FARIBORZ S. | MOEINZADEH M.

Keywords

HAVERSIAN CORTICAL BONE

FRACTURE

MICROCRACK

EDGE DISLOCATION

Abstract

A two-dimensional model has been prepared to analyze the FRACTURE micromechanics of HAVERSIAN CORTICAL BONE. The interstitial bone has been presented as a matrix and the osteon as a fiber. The justification for such substitutions could be made through similarities between fiber-ceramic composite materials and the human HAVERSIAN CORTICAL BONE. The linear elastic FRACTURE mechanics theory is adopted and the solution for the EDGE DISLOCATIONs, as a Green's functions, is used to formulate a system of singular integral equations for the arbitrarily oriented MICROCRACK in the matrix in vicinity of an osteon. The problem is solved for various models and the corresponding stress intensity factors are computed. It is also possible to study the effect of microstructural morphology and heterogeneity of the HAVERSIAN CORTICAL BONE upon the FRACTURE behavior. The results indicate that this effect is limited to vicinity of the osteon. The osteonal effect upon the MICROCRACK could lead to increase or decrease of the stress intensity factor at MICROCRACK tips. This effect is, however, related to mismatch between material properties of tissues and the location of MICROCRACK with respect to the osteon.

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APA: Copy

RAEISI NAJAFI, A., ARSHI, A., ESLAMI, M.R., FARIBORZ, S., & MOEINZADEH, M.. (2006). MICROMECHANICS FRACTURE OF HAV- ERSIAIL CORTICAL BONE: AN ANALYTICAL APPROACH. JOURNAL OF MECHANICAL ENGINEERING (ISME) (IRANIAN JOURNAL OF MECHANICAL ENGINEERING-ENGLISH), 7(1), 17-30. SID. https://sid.ir/paper/534636/en

Vancouver: Copy

RAEISI NAJAFI A., ARSHI A., ESLAMI M.R., FARIBORZ S., MOEINZADEH M.. MICROMECHANICS FRACTURE OF HAV- ERSIAIL CORTICAL BONE: AN ANALYTICAL APPROACH. JOURNAL OF MECHANICAL ENGINEERING (ISME) (IRANIAN JOURNAL OF MECHANICAL ENGINEERING-ENGLISH)[Internet]. 2006;7(1):17-30. Available from: https://sid.ir/paper/534636/en

IEEE: Copy

A. RAEISI NAJAFI, A. ARSHI, M.R. ESLAMI, S. FARIBORZ, and M. MOEINZADEH, “MICROMECHANICS FRACTURE OF HAV- ERSIAIL CORTICAL BONE: AN ANALYTICAL APPROACH,” JOURNAL OF MECHANICAL ENGINEERING (ISME) (IRANIAN JOURNAL OF MECHANICAL ENGINEERING-ENGLISH), vol. 7, no. 1, pp. 17–30, 2006, [Online]. Available: https://sid.ir/paper/534636/en

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