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RESEARCH PAPERS

Transient and Residual Stresses and Displacements in Self-Curing Bone Cement—Part I: Characterization of Relevant Volumetric Behavior of Bone Cement

[+] Author and Article Information
A. M. Ahmed, W. Pak

Department of Mechanical Engineering, McGill University, Montreal, Canada

D. L. Burke, J. Miller

Department of Orthopaedic Surgery, McGill University and Montreal General Hospital, Montreal, Canada

J Biomech Eng 104(1), 21-27 (Feb 01, 1982) (7 pages) doi:10.1115/1.3138299 History: Received February 10, 1981; Revised July 17, 1981; Online June 15, 2009

Abstract

In this first part of a two-part report, some aspects of the volumetric behavior of bone cement during its curing process are examined as a prelude to an analysis for the transient and residual stresses and displacements in stem fixation systems. Experiments show that stress generation in the cement is associated with its temperature while curing and that during the cooling phase, the stresses are mainly due to thermal as opposed to bulk shrinkage. The appropriate coefficient of thermal expansion of bone cement has been evaluated from measurements in a simulated fixation system in conjunction with a thermoelastic analysis.

Copyright © 1982 by ASME
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