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Meeting 2018 TMS Annual Meeting & Exhibition
Symposium Cast Shop Technology: Recycling and Sustainability Joint Session
Presentation Title C-46: Precious Technology; Recycling of Titanium from Medical Implant Industry, Challenges and Opportunities
Author(s) Erdoğan Teke, M. Özgür Seydibeyoğlu
On-Site Speaker (Planned) Erdoğan Teke
Abstract Scope Among many precious metals, titanium has been the first priority in vaious applications such as aerospace, automotive, marine and medical sectors due its superior mechanical, electrochemical, and biocompatible properties. In this study, a new melting system with vacuum induction system for Ti6Al4V alloy was developed to recover titanium sawdust that was 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 sawdust. After the melting and casting process, the mechanical and chemical properties of recycled titanium bars were investigated. Tensile strength, surface roughness and oxygen ratio results of Ti6Al4V bars were compared with the original material. SEM, XRD analyzes were also performed. The results reveal that due to insufficient vacuum, significant oxygen content was observed. However, despite high oxygen content, these recycled materials can be used in other applications.
Proceedings Inclusion? Planned: Light Metals


Behavior of Mg-Si-rich Phases in Aluminum Can Sheets and Their Impact on Metal Oxidation during Industrial Thermal Pre-treatment
C-47: Promotion of Separation of Two Phase Liquid Metals by Applying Mechanical Vibration
Dissipative Use of Critical Metals in the Aluminum Industry
Environmental Impacts of Aluminum Dross after Metal Extraction
In-situ Observation of Dross Formation during Melting of Al-Mg Alloy
Potential for Handheld Analyzer to Address Emerging Positive Material Identification (PMI) Challenges
Recycling of Oxide from Dross into Aluminum Electrolysis Cells
The Implementation of a Comprehensive Dross Management Program at Constellium Ravenswood

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