2013•Chinese Journal of Geriatric DentistryRequires access

Casting performance of Ti-Zr-Nb-Sn alloy for dental restoration

Li Chang

Abstract

Objective: A new titanium alloy(Ti-12.5Zr-3Nb-2.5Sn) was developed to meet the needs of clinical requirements for medical titanium alloys and casting performance of Ti-12.5Zr-3Nb-2.5Sn alloy.Methods: Samples of a newly developed Ti-Zr-Nb-Sn alloy were prepared.Samples were casted by LZ5-centrifugal casting machine.Casting temperature of the titanium alloy and the casting flow rate were detected.Casting reaction layer and linear shrinkage were evaluated.Results: The casting flow rate was 100% when the alloy were casted at 400℃.Linear shrinkage and the surface reaction layer met the demands.Conclusions: Ti-12.5Zr-3Nb-2.5Sn alloy,as a dental restoration material,was proved to possess favorable mechanical and casting performance properties.

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Key concepts: Materials science, Casting, Alloy, Shrinkage, Metallurgy, Titanium, Titanium alloy, Centrifugal casting (silversmithing)