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Meeting 2018 TMS Annual Meeting & Exhibition
Symposium Biodegradable Materials for Medical Applications
Presentation Title Microstructure Properties and In-vitro Degradation Behavior of the Bioresorbable Magnesium Alloy ZNdK100
Author(s) Christian Klose, Rainer Eifler, Hans Jürgen Maier
On-Site Speaker (Planned) Christian Klose
Abstract Scope The low-alloyed magnesium-zinc-neodymium-zirconium alloy ZNdK100 offers two opposing mechanical strength characteristics depending on the parameters during extrusion for extrusion ratios above 25:1. As already shown by the authors, extrusion at a temperature of 350°C leads to a bimodal microstructure which exhibits high tensile yield strength (~370 MPa), whereas processing at 450°C causes the formation of a uniform, recrystallized microstructure allowing for high elongation of up to 25% at medium strength. This could enable implementation of several applications in the field of both soft and hard tissue temporary implants by using a single magnesium alloy. In this study, results of the most recent corrosion investigations are presented with respect to the different microstructures of ZNdK100. In-vitro degradation was examined by means of immersion tests, volumetric measurements and detailed microstructure analyses. Moreover, a comparison is drawn with the binary alloy MgNd2, whose in-vitro and in-vivo degradation properties are known from previous investigations.
Proceedings Inclusion? Planned: Supplemental Proceedings volume

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Biocompatibility of Biodegradable Mg-Zn-Ca Metallic Glass
Biodegradable Borate Glass for Wound Healing and Bone Regeneration Implants via Boronizing
Biodegradable Mg-implants – Current Market Experiences
Biological Response of Surface Modified Mg-Sr Alloy for Orthopedic Applications
Comparative Study on Corrosion Behavior WE33 in Immersion and Polarization Influenced by Heat Treatment
Corrosion Properties of Mg-Ca-Gd Alloy Applied to Biodegradable Implants
Development of a Bioresorbable Vascular Scaffold for Treating Coronary Artery Disease: A Case Study
Development of a New Biodegradable Surgical Clip Made of a Magnesium Alloy: Evaluation of its Safety and Tolerability for Canine Cholecystectomy
Development of Porous and Biodegradable Hydroxyapatite/Mg Alloy Composite as Biodegradable Implants for Orthopaedic Applications
Effect of Additive Zinc on Mechanical Properties and Degradation Behavior of Magnesium
Fe-based Alloys: A New Class of High Strength Low-degradation Biodegradable Metals for Health Applications
Fundamentals of the Theory of Biodegradable Metals—Definition, Biodegradability and Biosafety Criteria and its Guidance on Material Design
H-1: Designing Polymeric Membranes for Medical Applications
H-2: Development of Biodegradable Operative Zinc Clips for Ligation
H-3: Long Term Biocompatibility of Zinc and its Alloys for Absorbable Vascular Scaffolds
H-4: Microstructural Evolution and Mechanical Properties of Zn-Ti alloys for Biodegradable Stent Applications
Influence of Casting on Microstructure and Corrosion of Mg-Ca-Zn Alloys for Biomedical Application
Is Corrosion Fatique Relevant for Biodegradable Magnesium Implants?
Mechanical and Corrosion Property Profile of Biodegradable, Open-porous Scaffolds Made of Sintered Magnesium Short Fibers
Mechanical Properties of Nanocrystalline Bioresorbable Fe-Mn Alloy
Metal Injection Molding (MIM) of Mg-alloys for Biomedical Applications
Microstructure and Mechanical Properties of Mg-Gd Alloys as Biodegradable Implant Materials
Microstructure Properties and In-vitro Degradation Behavior of the Bioresorbable Magnesium Alloy ZNdK100
Opportunities Offered by Zinc Alloys for Degradable Implants: Recent Trends and Developments
Osteosynthesis in a Growing Ovine Model using Bioresorbable Rare-earth-free Magnesium Screws
Osteosynthesis in an Osteoporotic Rat Model Using Magnesium-based Pins
Progress in Absorbable Wire Technology for Next Generation Devices
Resoloy – the Resorbable Mg Alloy for Stents
Study on Polylactide-coconut Fibre for Biomedical Applications
Surface Modification of Biomaterials by Plasma-based Technology
The Preparation of a Mg-Zn-Nd Alloy Wire and its Potential Application in Medicine
Visualisation of Implant Failure by Synchrotron Tomography
Where Do We Stand on Development of Ideal Biodegradable Zinc Material for Vascular Stenting?

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