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Abstract
Among many precious metals, titanium has been the first priority in various applications such as aerospace, automotive, marine and medical sectors due its superior mechanical, electrochemical, and biocompatible properties. In this study, a new melting method with vacuum induction system for Ti-6Al-4V alloy was developed to recover titanium scraps that were collected from medical implant machining industry. Prior to melting processing the recovered material was cleaned with ethyl alcohol and acetone (96% purity) to remove the coolant oil in the metal scraps. After the melting process, the microstructure, phase and hardness properties of melted bulk specimen were investigated by SEM, EDS, optical microscopy, XRD analysis and Rockwell hardness test. The results reveal that despite the high oxygen content, these molten bulk materials can be used in engineering applications other than biomaterials.