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Wear and corrosion behaviour of Ti-based coating on biomedical implants
Surface Engineering ( IF 2.4 ) Pub Date : 2020-02-25 , DOI: 10.1080/02670844.2020.1730058
G. Godwin 1 , S. Julyes Jaisingh 2 , M. Shunmuga Priyan 1 , S. Christopher Ezhil Singh 3
Affiliation  

ABSTRACT Biomedical implants are immensely manoeuvered devices that fix various deformities and injuries on medical grounds. With an emergent exploration in this field by researchers, countless combinations of materials have been discovered that perks global mankind. The ultimate goal of this experimentation is to appraise the characteristics of wear and corrosion resistance of Ti–Co–Cr-coated 316L grade austenitic stainless steel (SS) in contrast with TiN-coated and uncoated 316L SS. A micro-abrasion test was conducted on every single sample at 3N, 5N and 7N loads and were characterized in accordance with weight loss, coefficient of friction, surface roughness, Scanning Electron Microscope (SEM) analysis, X-ray Diffraction pattern (XRD), Energy Dispersive X-Ray Analysis (EDAX), Fourier-transform infrared spectroscopy (FTIR) and corrosion resistance. The findings showed that Ti–Co–Cr-coated substrate at 3N load have good mechanical tolerance and offers admirable performance. The corrosion resistance of the specimens divulges the biocompatibility of Ti–Co–Cr as being more distinct because of the existence of titanium metal.

中文翻译:

生物医用植入物钛基涂层的磨损腐蚀行为

摘要 生物医学植入物是一种机动性极强的装置,可在医学上修复各种畸形和损伤。随着研究人员在这一领域的不断探索,发现了无数让全球人类受益的材料组合。该实验的最终目标是评估 Ti-Co-Cr 涂层 316L 级奥氏体不锈钢 (SS) 与 TiN 涂层和未涂层​​ 316L SS 相比的磨损和耐腐蚀性特征。对每个样品在 3N、5N 和 7N 载荷下进行微磨损测试,并根据重量损失、摩擦系数、表面粗糙度、扫描电子显微镜 (SEM) 分析、X 射线衍射图 (XRD) 进行表征, 能量色散 X 射线分析 (EDAX), 傅里叶变换红外光谱 (FTIR) 和耐腐蚀性。研究结果表明,Ti-Co-Cr 涂层基材在 3N 载荷下具有良好的机械耐受性,并提供令人钦佩的性能。由于钛金属的存在,试样的耐腐蚀性能表明 Ti-Co-Cr 的生物相容性更加明显。
更新日期:2020-02-25
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