Enhanced wear resistance of Ti-5Al-2Nb-1Ta orthopaedic alloy by nitrogen ion implantation |
| |
Authors: | S Gokul Lakshmi D Arivuoli |
| |
Affiliation: | aCrystal Growth Centre, Anna University, Chennai 600 025, India;bDepartment of Physics, Anna University, Chennai 600 025, India |
| |
Abstract: | The tribological properties of nitrogen implanted Ti-5Al-2Nb-1Ta orthopaedic alloy was studied by performing lubricated pin on disc tests against ultra high molecular weight polyethylene pins. The results were interpreted on the basis of friction coefficient, wear volume loss and by characterising the wear debris to understand the wear mechanism. The results indicated a decrease in wear rate for implanted samples. Detailed investigations of the dose dependence on wear performance were carried out. The friction and wear data show a clear transition in wear modes between implanted and unimplanted alloys. The wear debris confirms the presence of titanium oxide and titanium oxynitride phases for untreated and nitrogen implanted alloy. |
| |
Keywords: | Hardness Ion implantation Lubrication Titanium Wear X-ray diffraction |
本文献已被 ScienceDirect 等数据库收录! |