Effect of chitosan–tungsten composite coating obtained by electrophoretic deposition on the corrosion resistance of Ni–Ti alloy in physiological medium

Ni–Ti shape memory alloys (Nitinol) are suitable for biomedical applications such as orthodontic, orthopedic, and cardiovascular implants. However, to avoid local inflammatory processes, efforts are being made to functionalize the surface of the Ni–Ti alloy with bioactive materials. Chitosan-based...

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Main Authors: José Anderson Machado Oliveira, Thales Gomes Araujo, Josiane Dantas Costa, Arthur Filgueira de Almeida, Ana Regina Nascimento Campos, Renato Alexandre Costa de Santana
Format: Article
Language:English
Published: Universidade Federal de Viçosa (UFV) 2023-08-01
Series:The Journal of Engineering and Exact Sciences
Subjects:
Online Access:https://periodicos.ufv.br/jcec/article/view/16237
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author José Anderson Machado Oliveira
Thales Gomes Araujo
Josiane Dantas Costa
Arthur Filgueira de Almeida
Ana Regina Nascimento Campos
Renato Alexandre Costa de Santana
author_facet José Anderson Machado Oliveira
Thales Gomes Araujo
Josiane Dantas Costa
Arthur Filgueira de Almeida
Ana Regina Nascimento Campos
Renato Alexandre Costa de Santana
author_sort José Anderson Machado Oliveira
collection DOAJ
description Ni–Ti shape memory alloys (Nitinol) are suitable for biomedical applications such as orthodontic, orthopedic, and cardiovascular implants. However, to avoid local inflammatory processes, efforts are being made to functionalize the surface of the Ni–Ti alloy with bioactive materials. Chitosan-based composite coatings can be applied to improve the properties of Ni–Ti alloys due to their excellent properties, such as low toxicity, biocompatibility, biodegradability, and good film-forming ability. In this work, the chitosan–tungsten composite (Chit–W) was evaluated as a protective coating for Ni–Ti alloy in a physiological medium (Ringer's solution). The results of surface morphology and chemical composition (SEM and EDX) confirmed the formation of the composite coating formed by a chitosan matrix impregnated with tungsten oxide nanoparticles. Corrosion resistance results proved the efficiency of the composite coating, acting as a protective barrier between the surface of the substrate (Ni–Ti) and the corrosive environment. Therefore, the results point to a possible system candidate (Ni–Ti alloy coated with Chit–W composite) suitable for applications in orthopedic implants.
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publisher Universidade Federal de Viçosa (UFV)
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series The Journal of Engineering and Exact Sciences
spelling doaj-art-bd12ebbdc7a54f558af464e2f050e51a2025-02-02T19:54:53ZengUniversidade Federal de Viçosa (UFV)The Journal of Engineering and Exact Sciences2527-10752023-08-019610.18540/jcecvl9iss6pp16237-01eEffect of chitosan–tungsten composite coating obtained by electrophoretic deposition on the corrosion resistance of Ni–Ti alloy in physiological mediumJosé Anderson Machado Oliveira0Thales Gomes Araujo1Josiane Dantas Costa2Arthur Filgueira de Almeida3Ana Regina Nascimento Campos4Renato Alexandre Costa de Santana5Department of Mechanical Engineering, Federal University of Campina Grande – UFCG, Campina Grande-PB, BrazilDepartment of Mechanical Engineering, Federal University of Campina Grande – UFCG, Campina Grande-PB, BrazilDepartment of Mechanical Engineering, Federal University of Campina Grande – UFCG, Campina Grande-PB, BrazilDepartment of Mechanical Engineering, Federal University of Campina Grande – UFCG, Campina Grande-PB, BrazilDepartment of Mechanical Engineering, Federal University of Campina Grande – UFCG, Campina Grande-PB, BrazilDepartment of Mechanical Engineering, Federal University of Campina Grande – UFCG, Campina Grande-PB, Brazil Ni–Ti shape memory alloys (Nitinol) are suitable for biomedical applications such as orthodontic, orthopedic, and cardiovascular implants. However, to avoid local inflammatory processes, efforts are being made to functionalize the surface of the Ni–Ti alloy with bioactive materials. Chitosan-based composite coatings can be applied to improve the properties of Ni–Ti alloys due to their excellent properties, such as low toxicity, biocompatibility, biodegradability, and good film-forming ability. In this work, the chitosan–tungsten composite (Chit–W) was evaluated as a protective coating for Ni–Ti alloy in a physiological medium (Ringer's solution). The results of surface morphology and chemical composition (SEM and EDX) confirmed the formation of the composite coating formed by a chitosan matrix impregnated with tungsten oxide nanoparticles. Corrosion resistance results proved the efficiency of the composite coating, acting as a protective barrier between the surface of the substrate (Ni–Ti) and the corrosive environment. Therefore, the results point to a possible system candidate (Ni–Ti alloy coated with Chit–W composite) suitable for applications in orthopedic implants. https://periodicos.ufv.br/jcec/article/view/16237NitinolBiomaterialComposite Coating
spellingShingle José Anderson Machado Oliveira
Thales Gomes Araujo
Josiane Dantas Costa
Arthur Filgueira de Almeida
Ana Regina Nascimento Campos
Renato Alexandre Costa de Santana
Effect of chitosan–tungsten composite coating obtained by electrophoretic deposition on the corrosion resistance of Ni–Ti alloy in physiological medium
The Journal of Engineering and Exact Sciences
Nitinol
Biomaterial
Composite Coating
title Effect of chitosan–tungsten composite coating obtained by electrophoretic deposition on the corrosion resistance of Ni–Ti alloy in physiological medium
title_full Effect of chitosan–tungsten composite coating obtained by electrophoretic deposition on the corrosion resistance of Ni–Ti alloy in physiological medium
title_fullStr Effect of chitosan–tungsten composite coating obtained by electrophoretic deposition on the corrosion resistance of Ni–Ti alloy in physiological medium
title_full_unstemmed Effect of chitosan–tungsten composite coating obtained by electrophoretic deposition on the corrosion resistance of Ni–Ti alloy in physiological medium
title_short Effect of chitosan–tungsten composite coating obtained by electrophoretic deposition on the corrosion resistance of Ni–Ti alloy in physiological medium
title_sort effect of chitosan tungsten composite coating obtained by electrophoretic deposition on the corrosion resistance of ni ti alloy in physiological medium
topic Nitinol
Biomaterial
Composite Coating
url https://periodicos.ufv.br/jcec/article/view/16237
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