Magnesium based alloys for reinforcing biopolymer composites and coatings: A critical overview on biomedical materials

Magnesium (Mg) & its alloys are favourable for orthopaedic & cardiovascular medical device fabrication applications, but holds a natural ability to degrade biologically when put with aqueous solution of the substances and/or water-saturated tissue in the context of a living organism. Mg allo...

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Bibliographic Details
Published in:Advanced industrial and engineering polymer research 2023-10, Vol.6 (4), p.341-355
Main Authors: Verma, Akarsh, Ogata, Shigenobu
Format: Article
Language:English
Subjects:
Alloys
Biodegradable
Coatings
Composites
Magnesium
Polymers
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Summary:Magnesium (Mg) & its alloys are favourable for orthopaedic & cardiovascular medical device fabrication applications, but holds a natural ability to degrade biologically when put with aqueous solution of the substances and/or water-saturated tissue in the context of a living organism. Mg alloys nature to corrode inside the living organism body is mainly attributed to the excessive rates of corrosion of Mg. Poor corrosion resistance possessed by Mg decreases the mechanical properties of the implants, and adds toxic effects on the bone metabolism. A potential method for increasing Mg alloy resistance to corrosion without changing its properties is by the protective polymeric deposit coatings. Moreover, to impart better mechanical and biocompatible aspects to Mg based materials biopolymers have been used as a composite constituent. This review is based on such composite materials constituting Mg and biopolymers. Their resulting favourable mechanical and osteopromotive properties in conjunction with biocompatibility may help the clinicians to fix the existing orthopaedic related issues.
ISSN:2542-5048
2542-5048
DOI:10.1016/j.aiepr.2023.01.002