Surface modification techniques of magnesium-based alloys for implant applications / Vinod Kumar Mahto in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 20, N° 2 (03/2023)  

[article]  inJOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 20, N° 2 (03/2023) . - p. 433-455 Titre : Surface modification techniques of magnesium-based alloys for implant applications Type de document : texte imprimé Auteurs : Vinod Kumar Mahto, Auteur ; Arvind Kumar Singh, Auteur ; Anup Malik, Auteur Année de publication : 2023 Article en page(s) : p. 433-455 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Biomatériaux Implants médicaux Magnésium -- Alliages Matériaux -- Propriétés mécaniques Traîtements de surface Index. décimale : 667.9 Revêtements et enduits Résumé : Biodegradable materials like magnesium-based alloys are widely employed for making implants. Mg-based alloys show good biocompatibility, biodegradability, and mechanical properties similar to bone material unlike other commonly used implant materials, i.e., stainless steel, titanium, and Co–Cr alloy, which have negligible degradation rates and require revision surgery for the removal of the implant. Magnesium alloy-based implant has high degradation rates and avoids the need for a second surgery. But high degradation rates and poor mechanical properties in magnesium alloys also pose a challenge to their use as implant material. In the absence of controlled degradation, they can degrade completely before serving their intended purpose in the human body. Several surface modification techniques are used to control the degradation rates. Surface coating is one of the methods of surface modification. This paper discusses various types of surface coating techniques for magnesium-based alloys. This paper also discusses the future scope of surface technology of magnesium-based implant materials. Note de contenu : - TYPES OF MEDICAL IMPLANTS - BASIC REQUIREMENTS OF A SUITABLE IMPLANT MATERIAL - COMMONLY USED MATERIALS FOR IMPLANT APPLICATIONS - IMPORTANCE OF MAGNESIUM ALLOY FOR IMPLANT APPLICATIONS : Designation of magnesium alloys - Mechanical properties analysis of Mg with other metallic implants - Advantages and disadvantages of Mg alloys - Need of surface modification in magnesium-based implant materials - VARIOUS SURFACE MODIFICATION TECHNIQUES OF MAGNESIUM-BASED ALLOYS : Conversion coatings - Non-conversion coatings - CONCLUSIONS AND FUTURE SCOPE : Surface morphology - Corrosion rate - Materials used for coating - Mechanical behavior - Type of method used for coating - Table 1 : Important properties of implant material - Table 2 : Commonly used materials for implant applications - Table 3 : Abbreviation used for alphanumeric designation of various alloys of magnesium - Table 4 : Alphanumeric designation of magnesium alloys (example of AZ31B in parentheses) - Table 5 : Mechanical properties of implant materials - Table 6 : Advantages of Mg-based alloys - Table 7 : Disadvantages of Mg-based alloys - Table 8 : Various coating materials reviewed in this paper - Table 9 : Different coating processes, substrate materials, coating materials, related advantages, and disadvantages DOI : https://doi.org/10.1007/s11998-022-00716-9 En ligne : https://link.springer.com/content/pdf/10.1007/s11998-022-00716-9.pdf?pdf=button% [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=39290 [article]

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