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首页> 外文期刊>Journal of biomedical materials research. Part B, Applied biomaterials. >Microstructure, mechanical property, corrosion behavior, and in vitro biocompatibility of Zr-Mo alloys.
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Microstructure, mechanical property, corrosion behavior, and in vitro biocompatibility of Zr-Mo alloys.

机译：微观结构，机械性能，腐蚀行为和ZR-MO合金的体外生物相容性。

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摘要

In this study, the microstructure, mechanical properties, corrosion behaviors, and in vitro biocompatibility of Zr-Mo alloys as a function of Mo content after solution treatment were systemically investigated to assess their potential use in biomedical application. The experimental results indicated that Zr-1Mo alloy mainly consisted of an acicular structure of α' phase, while ω phase formed in Zr-3Mo alloy. In Zr-5Mo alloy, retained β phase and a small amount of precipitated α phase were observed. Only the retained β phase was obtained in Zr-10Mo alloy. Zr-1Mo alloy exhibited the greatest hardness, bending strength, and modulus among all experimental Zr-Mo alloys, while β phase Zr-10Mo alloy had a low modulus. The results of electrochemical corrosion indicated that adding Mo into Zr improved its corrosion resistance which resulted in increasing the thermodynamic stability and passivity of zirconium. The cytotoxicity test suggested that the extracts of the studied Zr-Mo alloys produced no significant deleterious effect to fibroblast cells (L-929) and osteoblast cells (MG 63), indicating an excellent in vitro biocompatibility. Based on these facts, certain Zr-Mo alloys potentially suitable for different biomedical applications were proposed.
机译：在本研究中，系统地研究了Zr-Mo合金作为Mo含量的函数的微观结构，机械性能，腐蚀行为和体外生物相容性，得到了溶液处理后的函数，以评估它们在生物医学应用中的潜在用途。实验结果表明，Zr-1Mo合金主要由α'相的针状结构组成，而在Zr-3Mo合金中形成的ω相。在Zr-5MO合金中，观察到保留的β相和少量沉淀的α相。在Zr-10MO合金中获得保留的β相。 ZR-1MO合金在所有实验性Zr-Mo合金中表现出最大的硬度，弯曲强度和模量，而β相ZR-10MO合金具有低模量。电化学腐蚀的结果表明，将Mo加入Zr改善其耐腐蚀性，导致锆的热力学稳定性和纵向的耐腐蚀性。细胞毒性测试表明，研究的Zr-Mo合金的提取物对成纤维细胞（L-929）和成骨细胞（Mg 63）没有显着的有害影响，表明优异的体外生物相容性。基于这些事实，提出了可能适用于不同生物医学应用的某些Zr-Mo合金。

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