Influence of ZrB2 additions on mechanical and chemical properties of biomedical magnesium alloys

IF 3.8 2区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Vacuum Pub Date : 2025-05-09 DOI:10.1016/j.vacuum.2025.114391

S. Teslia , M. Teslia , M. Vterkovkiy , M. Kovalenko , K. Shevchyck , A. Chernov , G. Vasyliev , I. Solodkyi , O. Stasiuk , T. Soloviova

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引用次数: 0

Abstract

This study shows for the first time the effect of adding ZrB₂ particles to magnesium alloys WE43 and ZK61 on sinterability, mechanical properties, and corrosion resistance. The powder mixtures of ZK61-10 wt%ZrB₂ and WE43-10 wt%ZrB₂ were sintered to a relative density of 95 % and 98 %, respectively. The dense composites were characterized using X-ray diffraction and electron microscopy. The mechanical properties under compression conditions, and corrosion resistance using “in-vitro” test in Hank solution were studied. A mechanism of ZrB₂ particle migration through Y metal “bridges” into the grain body of WE43 alloy was proposed, which leads to improved sinterability of the WE43-10 wt%ZrB₂ composite and improved its mechanical properties and corrosion resistance. In general, adding ZrB₂ significantly enhanced WE43 compressive strength by 18 % and ZK61 by 17 % and reduced the corrosion rate by 46 % and 32 %, respectively. Fracture surface analysis showed that WE43-10 wt%ZrB₂ composite has transcrystalline fracture behavior. In contrast, the ZK61-10 wt%ZrB₂ composite has intercrystallite fracture behavior. The fracture behavior and corrosion resistance are substantiated regarding the material nature and microstructure developed during the SPS.

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ZrB2添加量对医用镁合金力学和化学性能的影响

本研究首次揭示了在WE43和ZK61镁合金中添加ZrB2颗粒对其烧结性能、力学性能和耐腐蚀性的影响。将ZK61-10 wt%ZrB2和WE43-10 wt%ZrB2的粉末混合物烧结成相对密度分别为95%和98%的粉末。用x射线衍射和电子显微镜对复合材料进行了表征。通过汉克溶液的“体外”试验，研究了复合材料在压缩条件下的力学性能和耐腐蚀性能。提出了ZrB2粒子通过Y金属“桥”向WE43合金晶体迁移的机理，提高了WE43-10 wt%ZrB2复合材料的烧结性能，提高了其力学性能和耐腐蚀性。总的来说，加入ZrB2后，WE43的抗压强度提高了18%，ZK61的抗压强度提高了17%，腐蚀速率分别降低了46%和32%。断口形貌分析表明，WE43-10 wt%ZrB2复合材料具有跨晶断裂行为。相比之下，ZK61-10 wt%ZrB2复合材料具有晶间断裂行为。在SPS过程中形成的材料性质和组织证实了其断裂行为和耐蚀性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Vacuum 工程技术-材料科学：综合

CiteScore

6.80

自引率

17.50%

发文量

审稿时长

34 days

期刊介绍： Vacuum is an international rapid publications journal with a focus on short communication. All papers are peer-reviewed, with the review process for short communication geared towards very fast turnaround times. The journal also published full research papers, thematic issues and selected papers from leading conferences. A report in Vacuum should represent a major advance in an area that involves a controlled environment at pressures of one atmosphere or below. The scope of the journal includes: 1. Vacuum; original developments in vacuum pumping and instrumentation, vacuum measurement, vacuum gas dynamics, gas-surface interactions, surface treatment for UHV applications and low outgassing, vacuum melting, sintering, and vacuum metrology. Technology and solutions for large-scale facilities (e.g., particle accelerators and fusion devices). New instrumentation ( e.g., detectors and electron microscopes). 2. Plasma science; advances in PVD, CVD, plasma-assisted CVD, ion sources, deposition processes and analysis. 3. Surface science; surface engineering, surface chemistry, surface analysis, crystal growth, ion-surface interactions and etching, nanometer-scale processing, surface modification. 4. Materials science; novel functional or structural materials. Metals, ceramics, and polymers. Experiments, simulations, and modelling for understanding structure-property relationships. Thin films and coatings. Nanostructures and ion implantation.