Effect of porosity and environment on the mechanical behavior of acrylic bone cement modified with acrylonitrile-butadiene-styrene particles: Part II. Fatigue crack propagation

✍ Scribed by Vila, M. M. ;Ginebra, M. P. ;Gil, F. J. ;Planell, J. A.

• Publisher: John Wiley and Sons
• Year: 1999
• Tongue: English
• Weight: 319 KB
• Volume: 48
• Category: Article
• ISSN: 0021-9304
• DOI: 10.1002/(sici)1097-4636(1999)48:2<128::aid-jbm6>3.0.co;2-1

✦ Synopsis

The aim of this study was to investigate the effect of adding an elastomeric second phase, acrylonitrile-butadiene-styrene, on the fatigue crack propagation behavior of poly(methyl methacrylate) bone cement. Moreover, the influence of porosity and environmental conditions was studied. When comparing the plain cement to the modified cement, a decrease in the crack propagation rate was observed at between 1 and 2 orders of magnitude. The storage in a physiological environment (saline solution at 37 degrees C) also caused a decrease in the crack propagation rate of about 2 orders of magnitude for the plain and modified cement prepared in air or under a vacuum. Porosity did not have any noticeable effect on the fatigue crack propagation behavior of the cement.