Microstructural Characterization, Cytotoxicity and Antibacterial Evaluation of Multicomponent MoNbNiTiZr Alloy

Microstructural Characterization, Cytotoxicity and Antibacterial Evaluation of Multicomponent MoNbNiTiZr Alloy

Traditional biomaterials like CoCrMo, Ti, and stainless-steel face challenges due to their instability in biological settings. As an alternative, exploring multicomponent alloys is viewed as a viable path for bettering both mechanical performance and biocompatibility. Our research explores the poten...

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Main Authors: Thiago Gonçalves de Oliveira, Sebastião Bruno Vilas Boas, Leandro Bernardes Serrano, Daniel Bragança Viana, Daniel Crístian Ferreira Soares, Grazielle Aparecida dos Santos, Daniela Sachs, Antonio Augusto Araujo Pinto da Silva
Format: Article
Language:English
Published: Associação Brasileira de Metalurgia e Materiais (ABM); Associação Brasileira de Cerâmica (ABC); Associação Brasileira de Polímeros (ABPol) 2025-03-01
Series:Materials Research
Subjects:
Multicomponent alloy
Biomaterial
Antibacterial activity
Biocompatibility
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392025000100221&tlng=en
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Summary:Traditional biomaterials like CoCrMo, Ti, and stainless-steel face challenges due to their instability in biological settings. As an alternative, exploring multicomponent alloys is viewed as a viable path for bettering both mechanical performance and biocompatibility. Our research explores the potentiality of the MoNbNiTiZr based alloy for biomedical applications. The microstructural characterization was realized using X-Ray Diffractometry (XRD) and Scanning Electron Microscopy (SEM/EDS). We also conducted Vickers microhardness tests and assessed it’s in vitro biocompatibility and antibacterial action against S. aureus and S. aureus HU25 strains relative to cp-Ti. Our observations denote that this alloy showcases a triphasic structure, consisting of dendritic and interdendritic zones with BCC, HCP, and Laves formations. A microhardness of is approximately 576.5 HV align with values for comparable multicomponent alloys in the biomedical field. Pertaining to its antibacterial efficiency and in vitro compatibility, this alloy manifests commendable antibacterial performance and relevant compatibility in comparison with cp-Ti.
ISSN:1516-1439

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