Performance of electrochemically deposited hydroxyapatite on textured 316L SS for applications in biomedicine

IF 2.4 4区材料科学 Q3 MATERIALS SCIENCE, COATINGS & FILMS Surface Engineering Pub Date : 2023-10-13 DOI:10.1080/02670844.2023.2265616

R. Health Royal Hermonson, R. Thanigaivelan, Vinod Kavya, K. Rathinasamy, T. Jagadeesha

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Abstract

ABSTRACTThis study investigates the biocompatibility of laser-textured 316L stainless steel (SS) coated with hydroxyapatite (HA) for orthopaedic implants. Powdered HA was electrochemically deposited on the laser-textured surface of 316L SS, and various tests were conducted on its surface to assess its biocompatibility. A particle size analyser was used to determine the average HA particle size, and a 3D optical profilometer was employed to characterise the surface roughness of the laser-textured samples. Contact angle measurement results provide insights into the wettability of the substrate. Microscopy tests revealed that, compared to those without HA coating, HA coatings on spherical dimpled textures exhibited better cell adherence. Among the tested samples, a sample with 98% laser energy input, 40.45° contact angle, and 75.976 µm HA coating thickness was found to be the most suitable for bone implantation.KEYWORDS: Laser surface texturinghydroxyapatite coating316L SScontact angledimple distancebiocompatibilityelectrochemical depositionvitro diagnostics

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电化学沉积羟基磷灰石在316L不锈钢表面的性能及其在生物医学上的应用

摘要研究了羟基磷灰石(HA)涂层316L不锈钢激光织构的生物相容性。将HA粉末电化学沉积在316L SS的激光织构表面，并对其表面进行各种测试，以评估其生物相容性。粒径分析仪用于测定HA的平均粒径，3D光学轮廓仪用于表征激光织构样品的表面粗糙度。接触角测量结果提供了对基材润湿性的见解。显微镜测试显示，与那些没有透明质酸涂层的相比，透明质酸涂层在球形酒窝纹理上表现出更好的细胞粘附性。在测试样品中，激光能量输入98%，接触角40.45°，HA涂层厚度75.976µm的样品最适合骨种植。关键词:激光表面织构，羟基磷灰石涂层，316l接触角，凹陷距离，生物相容性，电化学沉积，体外诊断

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来源期刊

Surface Engineering 工程技术-材料科学：膜

CiteScore

5.60

自引率

14.30%

发文量

审稿时长

2.3 months

期刊介绍： Surface Engineering provides a forum for the publication of refereed material on both the theory and practice of this important enabling technology, embracing science, technology and engineering. Coverage includes design, surface modification technologies and process control, and the characterisation and properties of the final system or component, including quality control and non-destructive examination.