Sr对Mg-Zn-Ca-Cu大块金属玻璃形成能力和腐蚀行为的影响

IF 1.5 4区材料科学 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY

Corrosion Engineering, Science and Technology Pub Date : 2022-08-11 DOI:10.1080/1478422X.2022.2111038

Saifei Xu, Yong Hu, Jinsong Tian, Kaijiang Xue

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引用次数: 0

摘要

摘要镁基大块金属玻璃（BMG）是一种可生物降解的金属，作为植入材料具有显著的潜在优势。为了研究Sr的添加对Mg–Zn–Ca–Cu BMG玻璃形成能力（GFA）的影响及其对其力学性能和腐蚀行为的影响，研究了一系列Mg66-x Zn29.5Ca4Cu0.5Sr x（x = 0、0.3、0.6和0.9at.-%），并在本研究中进行了研究。通过XRD、DSC、SEM、浸渍和电化学腐蚀试验对其进行了微观结构表征、GFA和耐腐蚀性测试。结果表明，Sr的加入改善了GFA和力学性能，增强了可调节的腐蚀性能。此外，力学性能和腐蚀性能分析表明，Mg65.7Zn29.5Ca4Cu0.5Sr0.3合金表现出最佳的力学性能和抗生物腐蚀性能。

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Effects of Sr on the glass-forming ability and corrosion behaviour of Mg–Zn–Ca–Cu bulk metallic glass

ABSTRACT Mg-based bulk metallic glass (BMG) is a biodegradable metal with significant potential advantages as an implant material. To investigate the effect of Sr addition on the glass-forming ability (GFA) and its effect on the mechanical properties and corrosion behaviours of Mg–Zn–Ca–Cu BMG, a series of Mg66-x Zn29.5Ca4Cu0.5Sr x (x = 0, 0.3, 0.6, and 0.9 at.-%) were synthesised and investigated in this study. Microstructural characterisation, GFA and corrosion resistance measurements were carried out by XRD, DSC, SEM, immersion and electrochemical corrosion tests. The results showed that the addition of Sr improved the GFA and mechanical properties and enhanced and adjustable corrosion performance. In addition, the mechanical and corrosion property analyses showed that the Mg65.7Zn29.5Ca4Cu0.5Sr0.3 alloy exhibited the best mechanical properties and bio-corrosion resistance.

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来源期刊

Corrosion Engineering, Science and Technology 工程技术-材料科学：综合

CiteScore

3.20

自引率

5.60%

发文量

审稿时长

3.4 months

期刊介绍： Corrosion Engineering, Science and Technology provides broad international coverage of research and practice in corrosion processes and corrosion control. Peer-reviewed contributions address all aspects of corrosion engineering and corrosion science; there is strong emphasis on effective design and materials selection to combat corrosion and the journal carries failure case studies to further knowledge in these areas.