Abstract
Titanium alloy is a kind of typical medical implant material because of its excellent mechanical properties, corrosion resistance and good biocompatibility. The most important facts to the success of implanting operation are the combination reactions between the implant and living cells as well as tissues which include cell growth, adhesion, proliferation and differentiation. The combination ability of implant and living body depends on the surface microstructure and morphology of the implant to a certain extent. The bionics research results show that the surface microstructure of biological bone is of the micro-pit geometric characteristics with 10-100μm depth. The residual stress of plastic forming micro-pit were analyzed with finite element simulation software ABAQUS. The correctness of the simulation results has been verified by experiments.
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