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Meeting 2017 TMS Annual Meeting & Exhibition
Symposium Pan American Materials Congress: Advanced Biomaterials
Presentation Title The design and development of low modulus Ti-Nb-Zr based alloy system for biomedical application
Author(s) Afrin Mehjabeen, Ma Qian, Dong Qiu, Wei Xu
On-Site Speaker (Planned) Afrin Mehjabeen
Abstract Scope Titanium (Ti) and Zirconium (Zr) are the prime candidates among all the metallic materials being used in biomedical implant fabrication because of their excellent biocompatibility, favorable mechanical properties, and high corrosion resistance. In the design of new biomedical alloys, stress shielding plays a vital role and should be considered carefully. Stress shielding occurs due to the mismatch of Young’s modulus between bone and implant which may result in refracture of the bone. The d-electron theory is developed based on the DV-Xα molecular orbital calculation of electronic structures of atoms. It explains some potential relationships between phase stability and elastic modulus through two electronic parameters: bond order, and d orbital energy level. In particular, a Bo -Md map is introduced to design new Ti-based alloys by d-electron theory where Bo and Md are the compositional average of Bo and Md respectively. Another useful parameter in alloy design is the electron to atom ratio, e/a, although there is controversy about the effect of e/a on elastic properties. In this research, these two tools are used together to design promising Ti-Nb-Zr alloys in conjunction with the use of the basic principles of physical metallurgy.
Proceedings Inclusion? Planned: Stand-alone book in which only your symposium’s papers would appear (indicate title in comments section below)


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Optical Properties of CeO2@ZnO Core@shell Nanostructures Synthesized by Solvothermal Method
PAN-10: Surface Characterisation of Anodised Zirconium with Proved Bioactivity
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PAN-1: Control of Shell Thickness on CeO2-ZnO Core-shell by Surfactant Assisted Co-precipitation Methods
PAN-2: Elastic Modulus of Ternary Titanium Alloys for Biomedical Applications
PAN-5: Injectable Bone Substitute of Fibroin and Nanohydroxyapatite
PAN-6: Metal-vitreous Biocide Coating
PAN-7: Nature's Technical Ceramic: The Avian Eggshell
PAN-8: Preparation and Characterization of Biodegradable Polymer Blend Reinforced with Bio-hydroxyapatite Nanoparticle
PAN-9: Selective Laser Sintering of Co-Cr-Mo Alloy for Dental Applications
Pangolin Armor: Overlapping, Structure, and Mechanical Properties of the Keratinous Scales
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Synthesis and Characterization of Bioinspired Freeze-Cast Alumina With A Zr-Based Bulk Metallic Glass Matrix
Synthesis and Characterization of Ni0.5Zn0.5Fe2O4@mSiO2 Core Shell Nanocarrier for Drug Delivery Applications
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The design and development of low modulus Ti-Nb-Zr based alloy system for biomedical application

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