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. 1995 Feb;29(2):233-7.
doi: 10.1002/jbm.820290214.

Micromechanisms of fatigue crack initiation and propagation in bone cements

S K Bhambri  1 , L N Gilbertson
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Micromechanisms of fatigue crack initiation and propagation in bone cements

S K Bhambri et al. J Biomed Mater Res. 1995 Feb.

Abstract

The micromechanisms of fatigue fracture in bone cements were explored and characterized in this investigation. Fatigue crack initiation sites were identified and the microscopic features responsible for crack initiation are illustrated. Differences in the fracture morphology of PMMA beads, in early crack growth and rapid crack growth stages, are brought out. Based on the fractographic features, a micromechanism of PMMA bead fracture is proposed.

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