利用新型等离子加工技术提高镍基合金的耐腐蚀性和细胞毒性

IF 2.9 3区 物理与天体物理 Q2 PHYSICS, APPLIED Plasma Processes and Polymers Pub Date : 2024-02-16 DOI:10.1002/ppap.202300151
Muhammad Yousaf, Tahir Iqbal, Muhammad Salim Mansha, Adnan Saeed, Muhammad Abrar, Sumera Afsheen, Irfan Ahmed, Abeer A. AlObaid, Basheer M. Al-Maswari, Muhammad Yasir
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引用次数: 0

摘要

在本研究中,我们探讨了牙科行业中普遍使用的镍铬合金在生物相容性方面所面临的挑战,因为有毒金属离子的释放会影响其耐腐蚀性和细胞毒性。采用磁控溅射和阴极笼等离子氮化(CCPN)技术,对镍铬合金进行双相等离子处理(DPT)。与未经处理的样品相比,这种新方法增强了表面形态,显著减少了离子泄漏。具体来说,经 CCPN-TiN 处理的样品可显著提高耐腐蚀性,并最大限度地减少金属离子泄漏。这种变革性的 DPT 是一种很有前途的表面改性解决方案,尤其能减轻侵蚀性电解质中有毒离子的沥滤。这项研究在提高镍铬合金生物相容性方面取得了重大进展,强调了创新表面改性技术在生物医学应用和挑战中的重要作用。
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Improved corrosion resistance and cytotoxicity of nickel-based alloy using novel plasma processing technique
In this study, we address challenges in the biocompatibility of nickel-based (NiCr) alloys, prevalent in the dental industry, due to toxic metal ion release impacting corrosion resistance and cytotoxicity. Employing magnetron sputtering and cathodic cage plasma nitriding (CCPN), a duplex plasma treatment (DPT) is introduced to the NiCr alloy. The novel approach enhances surface morphology, notably reducing ion leakage compared with untreated samples. Specifically, the CCPN-TiN-treated sample significantly improves corrosion resistance and minimizes metal ion leakage. This transformative DPT emerges as a promising solution for surface modification, particularly mitigating toxic ion leaching in aggressive electrolytes. This research demonstrates a major stride in enhancing NiCr alloy biocompatibility, emphasizing the vital role of innovative surface modification techniques for biomedical applications and challenges.
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来源期刊
Plasma Processes and Polymers
Plasma Processes and Polymers 物理-高分子科学
CiteScore
6.60
自引率
11.40%
发文量
150
审稿时长
3 months
期刊介绍: Plasma Processes & Polymers focuses on the interdisciplinary field of low temperature plasma science, covering both experimental and theoretical aspects of fundamental and applied research in materials science, physics, chemistry and engineering in the area of plasma sources and plasma-based treatments.
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