For the purpose of developing biodegradable magnesium alloys with suitable properties for biomedical applications, Mg–Zn–Ca–Cu metallic glasses were prepared by copper mold injection methods. In the present work, the effect of Cu doping on mechanical properties, corrosion behavior, and glass-forming ability of Mg₆₆Zn₃₀Ca₄ alloy was studied. The experimental findings demonstrated that the incorporation of Cu decreases the corrosion resistance of alloys, but increases the microhardness and degradation rate slightly. However, the addition of a trace amount of Cu can make the samples have antibacterial properties. Therefore, Mg–Zn–Ca–Cu has great advantages in clinical implantation and is the potential implant material.

中文翻译：

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Cu对Mg-Zn-Ca块状金属玻璃腐蚀行为和微观结构的影响

为了开发具有适合生物医学应用性能的可生物降解镁合金，通过铜模注射方法制备了 Mg-Zn-Ca-Cu 金属玻璃。在目前的工作中，研究了 Cu 掺杂对 Mg ₆₆ Zn ₃₀ Ca ₄合金力学性能、腐蚀行为和玻璃形成能力的影响。实验结果表明，Cu的掺入降低了合金的耐蚀性，但略微增加了显微硬度和降解速率。然而，微量Cu的加入可以使样品具有抗菌性能。因此，Mg-Zn-Ca-Cu在临床植入方面具有很大优势，是潜在的植入材料。