Abstract
Synthesis and sputtering of the Zr-2.5Nb alloys were performed for the dental implant material candidate. The alloy was synthesized by casting process in an arc melting furnace with an argon atmosphere in the composition of Zr-2.5 Nb (wt %). Surface treatment was carried out by Ti-N sputtering process with the current of 20 Ampere for 45 minutes. Characterization of the microstructure was performed by the SEM-EDX test followed by the phase identification using the XRD analysis. The hardness was measured in the Vickers Hardness Number method to evaluate the relation of the microstructure to the mechanical property before and after the sputtering process. A homogeneous structure with relatively fine grain was found in the synthesis of Zr-2.5Nb alloy. The layer thickness of Ti-N was formed with the mean thickness of 0.5 micrometers. Increasing of hardness was observed in the surface of the alloy that predicted improving the compatibility for dental implant material.
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