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Meeting 2018 TMS Annual Meeting & Exhibition
Symposium Biodegradable Materials for Medical Applications
Presentation Title H-4: Microstructural Evolution and Mechanical Properties of Zn-Ti alloys for Biodegradable Stent Applications
Author(s) Zhiyong Yin, Jeremy Goldman, Jaroslaw Drelich
On-Site Speaker (Planned) Zhiyong Yin
Abstract Scope Zinc exhibits near-ideal biocorrosion behavior. However, pure zinc has poor mechanical properties. In this study, a series of Zn-Ti alloys with the Ti content of less than 3 wt% was developed, and their structure-property relationships were studied with the primary goal of finding suitable Zn-Ti alloy(s) that could be used for biodegradable endovascular stents. The average hardness of as-cast Zn-Ti alloys was increased with the Ti content increasing from 0.1 to 0.3 wt%. With increasing Ti content from 0.5 to 2.5 wt%, the average hardness of the Zn-Ti alloys increased from 51 to 99 HV. The UTS and yield strength for Zn-Ti alloys increased from 141 and 87 MPa to 177 and 122 MPa with the Ti content increasing from 0.3 to 1 wt%. The mechanical properties of as-cast Zn-Ti alloys still need to be improved by the use of extrusion/hot rolling to facilitate their application as endovascular stents.
Proceedings Inclusion? Planned: Supplemental Proceedings volume


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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