Home HOME Kovove Materialy-Metallic Materials 2016 Metallic Materials Vol. 54 (2016), no. 1, pp.37-43

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Metallic Materials Vol. 54 (2016), no. 1, pp.37-43

Title: Investigation of structural and tribological properties of duplex surface treated pure titanium
Author: I. Çelik, M. Karakan
Abstract: Commercial pure titanium (CP-Ti) is used in many engineering fields because of its superior properties such as excellent corrosion resistance, high strength/weight ratio, and biocompatibility. However, it is not available at the desired rate, since the CP-Ti has poor wear resistance. For this reason, many surface treatments have been applied to improve the poor tribological properties of the CP-Ti. In this study, duplex surface treatments, which are the combination treatments of electroless Ni-B coating and plasma nitriding, were applied on the surfaces of the CP-Ti. Structural properties of the different surface treated materials were investigated using scanning electron microscopy (SEM) and X-ray diffraction (XRD). Microhardness measurements were made for the determination of mechanical properties and the pin on disc wear tests were made to determine the tribological properties. It was observed that poor wear resistance of the CP-Ti was improved with duplex surface treatments. The results showed that surface hardness, friction coefficient, and surface roughness of coated samples were better than of uncoated CP-Ti.
Keywords: titanium, wear, electroless Ni-B, plasma nitriding, duplex
Published online: 15-Feb-2016
Year: 2016, Volume: 54, Issue: 1 Page From: 37, Page To: 43
doi:10.4149/km_2016_1_37


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