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Corrosion and Surface Modification on Biocompatible Metals: A Review

Rahil Izzati, Mohd Asri and W. S., Wan Harun and Mahendran, Samykano and Nurul Akmal, Che Lah and S. A., Che Ghani and F., Tarlochan and M. R., Raza (2017) Corrosion and Surface Modification on Biocompatible Metals: A Review. Materials Science and Engineering: C, 77. pp. 1261-1274. ISSN 0928-4931

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Abstract

Corrosion prevention in biomaterials has become crucial particularly to overcome inflammation and allergic reactions caused by the biomaterials' implants towards the human body. When these metal implants contacted with fluidic environments such as bloodstream and tissue of the body, most of them became mutually highly antagonistic and subsequently promotes corrosion. Biocompatible implants are typically made up of metallic, ceramic, composite and polymers. The present paper specifically focuses on biocompatible metals which favorably used as implants such as 316L stainless steel, cobalt-chromium-molybdenum, pure titanium and titanium-based alloys. This article also takes a close look at the effect of corrosion towards the implant and human body and the mechanism to improve it. Due to this corrosion delinquent, several surface modification techniques have been used to improve the corrosion behavior of biocompatible metals such as deposition of the coating, development of passivation oxide layer and ion beam surface modification. Apart from that, surface texturing methods such as plasma spraying, chemical etching, blasting, electropolishing, and laser treatment which used to improve corrosion behavior are also discussed in detail. Introduction of surface modifications to biocompatible metals is considered as a “best solution” so far to enhanced corrosion resistance performance; besides achieving superior biocompatibility and promoting osseointegration of biocompatible metals and alloys.

Item Type: Article
Additional Information: Indexes in Scopus.
Uncontrolled Keywords: Biocompatible metal; Medical implants; Corrosion; Metallic-ion release; Surface modification
Subjects: T Technology > TJ Mechanical engineering and machinery
Faculty/Division: Faculty of Mechanical Engineering
Depositing User: Mrs. Neng Sury Sulaiman
Date Deposited: 18 Jul 2017 08:37
Last Modified: 14 Nov 2018 02:10
URI: http://umpir.ump.edu.my/id/eprint/18173
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