The stress-strain state of an implant of a porous titanium nickelide was studied in its placement instead of damaged bone tissue. A value of open porosity of a titanium nickelide sample was determined by the data obtained in processing of SEM images as well as by the liquid saturation method. The applicability of the technique for assessing the open porosity according to scanning electron microscopy was demonstrated. The physico-mechanical parameters of composites of titanium nickelide-connective bone tissue and titanium nickelide-spongy bone tissue were determined. In a SolidWorks software package a volume model of an implant-bone system was developed, and calculations of stresses and shears were carried out. It was found that upon bone tissue ingrowth into the porous structure of TiNi a stress distribution in the composite and bone tissue is leveled.
Russian Journal of Applied Chemistry – Springer Journals
Published: Oct 16, 2014
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