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Meeting 2017 TMS Annual Meeting & Exhibition
Symposium Advanced Materials in Dental and Orthopedic Applications
Presentation Title A Novel Strengthening Strategy Using Stacking Faults for Biomedical Co–Cr–Mo Alloys
Author(s) Kenta Yamanaka, Manami Mori, Shigeo Sato, Akihiko Chiba
On-Site Speaker (Planned) Kenta Yamanaka
Abstract Scope We recently proposed a novel processing strategy for achieving high-strength biomedical Co–Cr–Mo alloys: multipass “low-strain-per-pass” thermomechanical processing. The objective of this study is to fully understand the relevant strengthening mechanisms. Co–28Cr–6Mo–0.13N (mass%) alloy specimens prepared by multipass hot rolling showed an increase in the dislocation density with an increase in hot-rolling reduction. Furthermore, an advanced X-ray diffraction line-profile analysis based on extended convolutional multiple whole profile fitting (eCMWP) quantitatively revealed for the first time that a dramatic increase in stacking faults occurs during the multipass hot-rolling process and that the contribution of accumulated stacking faults successfully explains the significant increase in the yield stress with greater height reduction of the hot-rolled alloy. These results indicate the possibility of “stacking fault strengthening” and will help in guiding the design/manufacturing strategy for high-strength Co–Cr–Mo alloys for highly durable medical devices.
Proceedings Inclusion? Planned: Supplemental Proceedings volume

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A New Ni-free Beta-Ti Alloy with Large and Stable Room Temperature Super-elasticity
A Novel Strengthening Strategy Using Stacking Faults for Biomedical Co–Cr–Mo Alloys
Biodegradable Boron Coating for Wound Healing and Bone Regeneration Implants Via; DIMOX, Rheocasting and Thixocasting
Biomimetic Tooth Repair: Amelogenin-derived Peptides Enable In Vitro and In Vivo Enamel Remineralization
Cellular Response of Escherichia Coli to Mg-2Zn-2Gd Alloy with Different Grain Structure: Mechanism of Disruption of Colonization
Characterization of Chitin Synthesized from Snail Shell
Examining the Long-Term Exposure Effects of Simulated Body Fluid on the Behavior of Chitosan Bonded to Titanium Using Three Biocompatible Solvents
Failure Analysis and Fatigue Properties of a New Generation -based Ti-Nb Alloy and Cp-4 Titanium Osteosynthesis Plates
Functionalization of Dental Titanium Implants for Improved Osteointegration
H-1: Changing in the Elastic Modulus of Ti-10Mo-Zr System Alloys by Specific Heat Treatments
H-2: Correlation between the Presence of Martensitic Phase and Mechanical Properties of Ti-15Mo-xZr Alloys with Potential Orthopedic Application. Alloys with Potential Orthopedic Application
H-4: Structure and Microstructure of Ti-25Ta-Zr Alloys
H-5: Titanium-magnesium Composite for Dental Implants (BIACOM)
Microstructures and Properties of Mg AZ Alloys Subject to High Shear Deformation
Preparation and Characterizations of Nano Composites Based on Biphasic Mixture of Bioactive Ceramics for Biomedical Applications
Rapid Mechanical Assessment of Dental Materials for the Mitigation of Cracks in Natural Teeth
Repelling Biofilm Formation on Dental Materials via Piezoelectric Fillers
Surface Modified Drug Releasing Total Hip Implant
Tailoring of the Mechanical Properties of Alloys of the Ti-Zr-Mo System through Alloying and Heat Treatments
The Effects of Inclusions on the Fatigue Performance of Superelastic Nitinol Fine Wires
Thermomechanical Processing of Beta-Ti Alloys for Load-bearing Implant Applications

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