On dependencies of the mechanical properties of bone cement on porosity
A significant part of hip and knee arthroplasty operations is carried out using cement technology. This determines the relevance of the biomechanical compatibility of bone cement, which is a porous material and is filled with biological fluid after surgery. A computer model of the mechanical behavior of porous bone cement has been developed with explicit and implicit consideration of pores of various scales, where "isolated" macropores are explicitly taken into account. The study was carried out on the basis of multiscale computer simulation using the method of movable cellular automata. The mechanical behavior of model samples, both dry and containing biological fluid, was studied under uniaxial compression and four-point bending. Nonlinear features have been revealed in dependence on the porosity of elastic and strength properties of bone cement during compression.
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Keywords
Bone cement, Porosity, Elastic modulus, Strength, Numerical simulationAuthors
| Name | Organization | |
| Smolin A.Yu. | Institute of Strength Physics and Materials Science of SB RAS | asmolin@ispms.ru |
| Eremina G.M. | Institute of Strength Physics and Materials Science of SB RAS | anikeeva@ispms.ru |
| Martyshina I.P. | Institute of Strength Physics and Materials Science of SB RAS | mira@ispms.ru |
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