Enhancing biomedical applications of Ti–6Al–4V alloys: The role of boron nitride and titanium diboride coatings in mechanical and radiation shielding performance

IF 2.8 3区物理与天体物理 Q3 CHEMISTRY, PHYSICAL

Radiation Physics and Chemistry Pub Date : 2025-02-07 DOI:10.1016/j.radphyschem.2025.112597

Murat Bilen

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引用次数: 0

Abstract

This study investigates the enhancement of mechanical and radiation attenuation properties of Ti–6Al–4V alloy through surface modification using Boron Nitride (BN) and Titanium Diboride (TiB₂) coatings. The samples were produced using Selective Laser Melting (SLM) and coated via cathodic arc physical vapor deposition (PVD). SEM analyses confirmed the uniform distribution of coatings and their compatibility with theoretical thickness calculations. Mechanical tests revealed that the coatings improved hardness and wear resistance, with BN providing a lower friction coefficient and TiB₂ exhibiting superior wear resistance. Radiation attenuation tests showed that TiB₂ coatings significantly enhanced the linear attenuation coefficient (LAC) at 1.173 MeV, while BN coatings demonstrated superiority in mass attenuation coefficient (MAC). Improvements were also observed in HVL, TVL, and MFP parameters. These findings suggest that BN and TiB₂ coatings can optimize the mechanical durability and radiation resistance of Ti–6Al–4V alloy for biomedical applications.

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来源期刊

Radiation Physics and Chemistry 化学-核科学技术

CiteScore

5.60

自引率

17.20%

发文量

574

审稿时长

12 weeks

期刊介绍： Radiation Physics and Chemistry is a multidisciplinary journal that provides a medium for publication of substantial and original papers, reviews, and short communications which focus on research and developments involving ionizing radiation in radiation physics, radiation chemistry and radiation processing. The journal aims to publish papers with significance to an international audience, containing substantial novelty and scientific impact. The Editors reserve the rights to reject, with or without external review, papers that do not meet these criteria. This could include papers that are very similar to previous publications, only with changed target substrates, employed materials, analyzed sites and experimental methods, report results without presenting new insights and/or hypothesis testing, or do not focus on the radiation effects.