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Ca–Mg–Zn bulk metallic glasses as bioresorbable metals

Paper ID Volume ID Publish Year Pages File Format Full-Text
726 60 2012 9 PDF Available
Title
Ca–Mg–Zn bulk metallic glasses as bioresorbable metals
Abstract

A series of six unique Ca-based bulk metallic glasses were synthesized and characterized. The glasses were designed to consist solely of the biocompatible elements Ca, Mg and Zn, with the view to their potential use as bioresorbable metals for orthopaedic applications. The alloys had a critical casting thickness of up to 4.5 mm. Mechanical and thermophysical testing revealed a Young’s modulus (stiffness) of ∼40 GPa. Glass transition temperatures ranged from 119 to 129 °C, above which the alloys can be formed like a thermoplastic polymer. In vitro biocorrosion testing using a combination of polarization and mass loss techniques revealed that the corrosion rate of these alloys is relatively rapid, although, in some cases, it may be tailored through alloy composition.

Keywords
CaMgZn; Bioresorbable metal; Bulk metallic glass; Corrosion; In vitro
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Publisher
Database: Elsevier - ScienceDirect
Journal: Acta Biomaterialia - Volume 8, Issue 6, July 2012, Pages 2375–2383
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us