Wear performance of Ti-based alloy coatings on 316L SS fabricated with the sputtering method: Relevance to biomedical implants.

IF 1 4区医学 Q4 ENGINEERING, BIOMEDICAL Bio-medical materials and engineering Pub Date : 2024-01-01 DOI:10.3233/BME-230127

Shunmuga Priyan Murugan, Godwin George, Julyes Jaisingh

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Abstract

Background: This investigation was conducted to encapsulate 316L SS with a Ti-based alloy coating.

Objective: The aim was to fabricate a coating using TiN, TiO2, and TiCoCr powders on 316L SS through the physical vapor deposition (PVD) sputtering process.

Methods: The powders were consecutively coated on 316L SS through the PVD sputtering process with coating durations of 30, 60, and 90 min. Further microhardness, surface roughness, microabrasion, and adhesion strength tests were also carried out.

Results: A 60% improvement in abrasion resistance was observed in TiCoCr-coated samples compared to the uncoated substrate. The X-ray diffraction results confirmed the optimal formation of Ti alloy coatings with corresponding orientation over the SS substrates. Moreover, TiCoCr with a 90 min coating duration had much better surface characteristics than TiO2 and TiN.

Conclusion: The 90 min coating duration should be optimal for coating in steel for bio-implants.

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用溅射法在 316L SS 上制造的钛基合金涂层的磨损性能：与生物医学植入物的相关性。

背景：本研究旨在用 Ti 基合金涂层封装 316L SS：目的是通过物理气相沉积（PVD）溅射工艺在 316L SS 上使用 TiN、TiO2 和 TiCoCr 粉末制造涂层：方法：通过 PVD 溅射工艺在 316L SS 上连续涂覆 TiN、TiO2 和 TiCoCr 粉末，涂覆时间分别为 30、60 和 90 分钟。此外，还进行了微硬度、表面粗糙度、微磨损和附着强度测试：结果：与未涂层的基底相比，TiCoCr 涂层样品的耐磨性提高了 60%。X 射线衍射结果证实，在 SS 基材上形成了具有相应取向的最佳 Ti 合金涂层。此外，涂层持续时间为 90 分钟的 TiCoCr 比 TiO2 和 TiN 具有更好的表面特性：结论：90 分钟的涂层持续时间应该是生物植入物钢涂层的最佳时间。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Bio-medical materials and engineering 工程技术-材料科学：生物材料

CiteScore

1.80

自引率

0.00%

发文量

审稿时长

6 months

期刊介绍： The aim of Bio-Medical Materials and Engineering is to promote the welfare of humans and to help them keep healthy. This international journal is an interdisciplinary journal that publishes original research papers, review articles and brief notes on materials and engineering for biological and medical systems. Articles in this peer-reviewed journal cover a wide range of topics, including, but not limited to: Engineering as applied to improving diagnosis, therapy, and prevention of disease and injury, and better substitutes for damaged or disabled human organs; Studies of biomaterial interactions with the human body, bio-compatibility, interfacial and interaction problems; Biomechanical behavior under biological and/or medical conditions; Mechanical and biological properties of membrane biomaterials; Cellular and tissue engineering, physiological, biophysical, biochemical bioengineering aspects; Implant failure fields and degradation of implants. Biomimetics engineering and materials including system analysis as supporter for aged people and as rehabilitation; Bioengineering and materials technology as applied to the decontamination against environmental problems; Biosensors, bioreactors, bioprocess instrumentation and control system; Application to food engineering; Standardization problems on biomaterials and related products; Assessment of reliability and safety of biomedical materials and man-machine systems; and Product liability of biomaterials and related products.