The influence of cold rolling and hydroxyapatite coating on the mechanostructure, corrosion resistance, cell viability, and antibacterial activity of ZnCu biodegradable implants

IF 2.7 4区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY Journal of Materials Research Pub Date : 2024-04-26 DOI:10.1557/s43578-024-01340-6

B. Aksakal, S. A. Karadogan, N. Aslan, F. Fidan, Y. Yilmazer, S. Sezek

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Abstract

Zinc (Zn) and its alloys exhibit great potential for utilization in biodegradable bone implants. Zn-1Cu biodegradable alloy was produced and were cold rolled at two different deformation rates of 47 and 61%. The samples have been bioceramic coated with the sol–gel method and microstructure-mechanical property changes, corrosion behavior and biocompatibility of the samples were investigated. They were characterized by Optical, SEM, XRD and wettability analysis. The rolled samples showed a significant increase in hardness when compared to the non-rolled samples. The unrolled and 47% rolled samples showed better corrosion resistance compared to 61% rolled samples. Antibacterial effects of the base and sol–gel-coated groups showed higher cell viability ratios than the uncoated groups. Cell viability increased significantly in 47% of the rolled samples after 24, 48, and 72 h, however decreased by up to 70% in 61% of the rolled samples.

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冷轧和羟基磷灰石涂层对锌铜生物可降解植入体的机械结构、耐腐蚀性、细胞活力和抗菌活性的影响

锌（Zn）及其合金在可生物降解骨植入物中具有巨大的应用潜力。Zn-1Cu 生物可降解合金在 47% 和 61% 两种不同的变形率下进行冷轧。采用溶胶-凝胶法对样品进行了生物陶瓷涂层，并研究了样品的微观结构-机械性能变化、腐蚀行为和生物相容性。样品的表征方法包括光学、扫描电镜、X射线衍射和润湿性分析。与未轧制样品相比，轧制样品的硬度明显提高。与 61% 的轧制样品相比，未轧制和 47% 的轧制样品显示出更好的耐腐蚀性。基底和溶胶-凝胶涂层组的抗菌效果比未涂层组显示出更高的细胞存活率。在 24、48 和 72 小时后，47% 的轧制样品的细胞存活率明显提高，而 61% 的轧制样品的细胞存活率则下降了 70%。

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来源期刊

Journal of Materials Research 工程技术-材料科学：综合

CiteScore

4.50

自引率

3.70%

发文量

362

审稿时长

2.8 months

期刊介绍： Journal of Materials Research (JMR) publishes the latest advances about the creation of new materials and materials with novel functionalities, fundamental understanding of processes that control the response of materials, and development of materials with significant performance improvements relative to state of the art materials. JMR welcomes papers that highlight novel processing techniques, the application and development of new analytical tools, and interpretation of fundamental materials science to achieve enhanced materials properties and uses. Materials research papers in the following topical areas are welcome. • Novel materials discovery • Electronic, photonic and magnetic materials • Energy Conversion and storage materials • New thermal and structural materials • Soft materials • Biomaterials and related topics • Nanoscale science and technology • Advances in materials characterization methods and techniques • Computational materials science, modeling and theory