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Research advances of magnesium and magnesium alloys globally in 2023
IF 17.6 1区 材料科学 Q1 METALLURGY & METALLURGICAL ENGINEERING Pub Date : 2024-10-23 DOI: 10.1016/j.jma.2024.10.001
Jia She, Jing Chen, Xiaoming Xiong, Yan Yang, Xiaodong Peng, Daolun Chen, Fusheng Pan
Magnesium materials have attracted the attention of many researchers, and the related research is expanding. This article summarizes the advance in the research and development of magnesium materials globally in 2023 from bibliometric and scientific perspectives. More than 4680 articles on Mg and its alloys were published and indexed in the Web of Science (WoS) Core Collection database last year. The bibliometric analyses show that the traditional structural Mg alloys, functional Mg materials, and corrosion and protection of Mg alloys are still the main research focus. Therefore, this review paper mainly focuses on the research progress of Mg cast alloys, Mg wrought alloys, bio-magnesium alloys, Mg-based energy storage materials, corrosion and protection of Mg alloys in 2023. In addition, future research directions are proposed based on the challenges and obstacles identified throughout this review.
镁材料吸引了众多研究人员的关注,相关研究也在不断扩展。本文从文献计量学和科学角度总结了 2023 年全球镁材料研究与发展的进展。去年,有 4680 多篇关于镁及其合金的文章在科学网(WoS)核心期刊数据库中发表并被收录。文献计量分析表明,传统的结构镁合金、功能镁材料以及镁合金的腐蚀与防护仍是研究重点。因此,本综述论文主要关注 2023 年镁铸造合金、镁锻造合金、生物镁合金、镁基储能材料、镁合金腐蚀与防护的研究进展。此外,还根据本综述中发现的挑战和障碍提出了未来的研究方向。
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引用次数: 0
Orchestrated degradation behavior of Mg mesh for calvarial bone defect reconstruction 用于腓骨缺损重建的镁网的协调降解行为
IF 17.6 1区 材料科学 Q1 METALLURGY & METALLURGICAL ENGINEERING Pub Date : 2024-10-19 DOI: 10.1016/j.jma.2024.09.014
Ume Farwa, Seongsu Park, Myeongki Park, Ihho Park, Byoung-Gi Moon, Byong-Taek Lee
The biodegradability and biocompatibility of Mg alloys have rendered them favorable for cranial reconstruction applications. However, their rapid degradation rate has limited widespread use. In this study, we developed a Mg alloy -based mesh designed for calvarial bone defect reconstruction. We modulated the bone formation through the controlled degradation rate of the Mg alloy mesh. To achieve this, the Mg alloy mesh was coated with 2 types of coatings: Zn-d/Ca-P and Zn-d/Ca-P/P. Our findings revealed that, in comparison to the uncoated Mg alloy, both Zn-d/Ca-P and Zn-d/Ca-P/P coatings significantly reduced the degradation rate. The biocompatibility of the coated meshes improved markedly. With the Zn-d/Ca-P coating, there was not only an augmentation in the osteogenic potential of the Mg mesh but also an enhancement in angiogenic capacity. These meshed Mg samples were subsequently implanted into calvarial defects in rats. Bone regeneration was accelerated in specimens treated with Zn-d/Ca-P and Zn-d/Ca-P/P coatings compared to those with the bare Mg mesh. Furthermore, the in vivo assessments indicated that the coated meshes promoted angiogenesis. Nonetheless, the degradation rate of the Zn-d/Ca-P/P coating was slower than that of Zn-B/Ca-P. For applications requiring prolonged mechanical support, the Zn-d/Ca-P/P coating on Mg alloy is recommended, whereas the Zn-d/Ca-P coating is advisable for rapid regeneration where extended mechanical support is not critical.
镁合金的生物可降解性和生物相容性使其成为颅骨重建的理想材料。然而,它们的快速降解率限制了其广泛应用。在这项研究中,我们开发了一种基于镁合金的网片,设计用于腓骨缺损重建。我们通过控制镁合金网的降解率来调节骨形成。为此,我们在镁合金网格上涂覆了两种涂层:Zn-d/Ca-P和Zn-d/Ca-P/P。我们的研究结果表明,与未涂层的镁合金相比,Zn-d/Ca-P 和 Zn-d/Ca-P/P 涂层都能显著降低降解率。涂层网格的生物相容性明显改善。Zn-d/Ca-P 涂层不仅增强了镁网的成骨潜力,还提高了血管生成能力。这些网格镁样品随后被植入大鼠的腓骨缺损处。与使用裸镁网格的样本相比,使用 Zn-d/Ca-P 和 Zn-d/Ca-P/P 涂层处理的样本的骨再生速度更快。此外,体内评估表明,涂层网格促进了血管生成。不过,Zn-d/Ca-P/P 涂层的降解速度比 Zn-B/Ca-P 慢。对于需要长时间机械支持的应用,建议在镁合金上使用 Zn-d/Ca-P/P 涂层,而对于不需要长时间机械支持的快速再生应用,则建议使用 Zn-d/Ca-P 涂层。
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引用次数: 0
Magnesium alloys as alternative anode materials for rechargeable magnesium-ion batteries: Review on the alloying phase and reaction mechanisms 镁合金作为可充电镁离子电池的替代阳极材料:合金相和反应机制综述
IF 17.6 1区 材料科学 Q1 METALLURGY & METALLURGICAL ENGINEERING Pub Date : 2024-10-15 DOI: 10.1016/j.jma.2024.09.018
Dedy Setiawan, Hyeonjun Lee, Jangwook Pyun, Amey Nimkar, Netanel Shpigel, Daniel Sharon, Seung-Tae Hong, Doron Aurbach, Munseok S. Chae
Magnesium-ion batteries (MIBs) are promising candidates for lithium-ion batteries because of their abundance, non-toxicity, and favorable electrochemical properties. This review explores the reaction mechanisms and electrochemical characteristics of Mg-alloy anode materials. While Mg metal anodes provide high volumetric capacity and dendrite-free electrodeposition, their practical application is hindered by challenges such as sluggish Mg²⁺ ion diffusion and electrolyte compatibility. Alloy-type anodes that incorporate groups XIII, XIV, and XV elements have the potential to overcome these limitations. We review various Mg alloys, emphasizing their alloying/dealloying reaction mechanisms, their theoretical capacities, and the practical aspects of MIBs. Furthermore, we discuss the influence of the electrolyte composition on the reversibility and efficiency of these alloy anodes. Emphasis is placed on overcoming current limitations through innovative materials and structural engineering. This review concludes with perspectives on future research directions aimed at enhancing the performance and commercial viability of Mg alloy anodes and contributing to the development of high-capacity, safe, and cost-effective energy storage systems.
镁离子电池(MIBs)具有丰富的资源、无毒性和良好的电化学特性,是锂离子电池的理想候选材料。本综述探讨了镁合金负极材料的反应机理和电化学特性。虽然镁金属阳极具有高容积容量和无枝晶的电沉积特性,但其实际应用却受到 Mg²⁺ 离子扩散缓慢和电解质兼容性等挑战的阻碍。含有 XIII、XIV 和 XV 族元素的合金型阳极有可能克服这些限制。我们回顾了各种镁合金,强调了它们的合金化/合金化反应机制、理论容量以及 MIB 的实用性。此外,我们还讨论了电解质成分对这些合金阳极的可逆性和效率的影响。重点是通过创新材料和结构工程克服当前的局限性。本综述最后展望了未来的研究方向,旨在提高镁合金阳极的性能和商业可行性,为开发高容量、安全、经济高效的储能系统做出贡献。
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引用次数: 0
Isothermal hydrogen absorption process of Pd-capped Mg films traced by ion beam techniques and optical methods 利用离子束技术和光学方法追踪钯封镁薄膜的等温氢吸收过程
IF 17.6 1区 材料科学 Q1 METALLURGY & METALLURGICAL ENGINEERING Pub Date : 2024-10-15 DOI: 10.1016/j.jma.2024.09.019
D. Abejón, P. Prieto, J.K. Kim, A. Redondo-Cubero, M.L. Crespillo, F. Leardini, I.J. Ferrer, G. García, J.R. Ares
Pd-capped nanocrystalline Mg films were prepared by electron beam evaporation and hydrogenated under isothermal conditions to investigate the hydrogen absorption process via ion beam techniques and in situ optical methods. Films were characterized by different techniques such as X-ray diffraction (XRD) and scanning electron microscopy (SEM). Rutherford backscattering spectrometry (RBS) and elastic recoil detection analysis (ERDA) provided a detailed compositional depth profile of the films during hydrogenation. Gas-solid reaction kinetics theory applied to ERDA data revealed a H absorption mechanism controlled by H diffusion. This rate-limiting step was also confirmed by XRD measurements. The diffusion coefficient (D) was also determined via RBS and ERDA, with a value of <span><span style=""></span><span data-mathml='<math xmlns="http://www.w3.org/1998/Math/MathML"><mrow is="true"><mrow is="true"><mo is="true">(</mo><mn is="true">1.1</mn><mo is="true">&#xB1;</mo><mn is="true">0.1</mn><mo is="true">)</mo></mrow><mo is="true">&#xB7;</mo><msup is="true"><mn is="true">10</mn><mrow is="true"><mo is="true">&#x2212;</mo><mn is="true">13</mn></mrow></msup></mrow></math>' role="presentation" style="font-size: 90%; display: inline-block; position: relative;" tabindex="0"><svg aria-hidden="true" focusable="false" height="3.009ex" role="img" style="vertical-align: -0.812ex;" viewbox="0 -945.9 7643.2 1295.7" width="17.752ex" xmlns:xlink="http://www.w3.org/1999/xlink"><g fill="currentColor" stroke="currentColor" stroke-width="0" transform="matrix(1 0 0 -1 0 0)"><g is="true"><g is="true"><g is="true"><use xlink:href="#MJMAIN-28"></use></g><g is="true" transform="translate(389,0)"><use xlink:href="#MJMAIN-31"></use><use x="500" xlink:href="#MJMAIN-2E" y="0"></use><use x="779" xlink:href="#MJMAIN-31" y="0"></use></g><g is="true" transform="translate(1891,0)"><use xlink:href="#MJMAIN-B1"></use></g><g is="true" transform="translate(2891,0)"><use xlink:href="#MJMAIN-30"></use><use x="500" xlink:href="#MJMAIN-2E" y="0"></use><use x="779" xlink:href="#MJMAIN-31" y="0"></use></g><g is="true" transform="translate(4171,0)"><use xlink:href="#MJMAIN-29"></use></g></g><g is="true" transform="translate(4783,0)"><use xlink:href="#MJMAIN-22C5"></use></g><g is="true" transform="translate(5283,0)"><g is="true"><use xlink:href="#MJMAIN-31"></use><use x="500" xlink:href="#MJMAIN-30" y="0"></use></g><g is="true" transform="translate(1001,393)"><g is="true"><use transform="scale(0.707)" xlink:href="#MJMAIN-2212"></use></g><g is="true" transform="translate(550,0)"><use transform="scale(0.707)" xlink:href="#MJMAIN-31"></use><use transform="scale(0.707)" x="500" xlink:href="#MJMAIN-33" y="0"></use></g></g></g></g></g></svg><span role="presentation"><math xmlns="http://www.w3.org/1998/Math/MathML"><mrow is="tr
利用电子束蒸发法制备了钯封层纳米晶镁薄膜,并在等温条件下进行氢化,通过离子束技术和原位光学方法研究了氢吸收过程。通过 X 射线衍射(XRD)和扫描电子显微镜(SEM)等不同技术对薄膜进行了表征。卢瑟福背散射光谱法(RBS)和弹性反冲检测分析法(ERDA)提供了氢化过程中薄膜的详细成分深度剖面图。应用于 ERDA 数据的气固反应动力学理论揭示了由 H 扩散控制的 H 吸收机制。XRD 测量也证实了这一限速步骤。扩散系数 (D) 也是通过 RBS 和 ERDA 测定的,在 140 ∘∘C 时的值为 (1.1±0.1)-10-13(1.1±0.1)-10-13 cm22/s。结果证实了 IBA 监测氢化过程和提取过程控制机制的有效性。光学方法提供的氢动力学信息受到镁层光学吸收的强烈影响,这表明需要更薄的薄膜才能从该技术中提取更多可靠的信息。
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引用次数: 0
Twinning mediated anisotropic fracture behavior in bioimplant grade hot-rolled pure magnesium 生物植入级热轧纯镁中由孪晶介导的各向异性断裂行为
IF 17.6 1区 材料科学 Q1 METALLURGY & METALLURGICAL ENGINEERING Pub Date : 2024-10-15 DOI: 10.1016/j.jma.2024.09.013
Prakash C. Gautam, Somjeet Biswas
Bioimplant grade hot-rolled magnesium with equiaxed microstructure and basal texture was examined for fracture toughness (FT) anisotropy using fatigue pre-cracked single-edge notch bending specimens with the notch, <em>a<sub>n</sub></em> ∥, ⊥ and 45° to rolling direction (RD). Due to adequate crack-tip plasticity, the size-independent elastic-plastic fracture toughness (<em>J<sub>IC</sub></em>) were determined. Anisotropic <em>J<sub>IC</sub></em> was observed due to different twin lamellae formation w.r.t. notch owing to the initial basal texture with <span><span style=""></span><span data-mathml='<math xmlns="http://www.w3.org/1998/Math/MathML"><mrow is="true"><mo is="true">{</mo><mrow is="true"><mn is="true">10</mn><mover accent="true" is="true"><mn is="true">1</mn><mo is="true">&#xAF;</mo></mover><mn is="true">0</mn></mrow><mo is="true">}</mo></mrow></math>' role="presentation" style="font-size: 90%; display: inline-block; position: relative;" tabindex="0"><svg aria-hidden="true" focusable="false" height="2.779ex" role="img" style="vertical-align: -0.812ex;" viewbox="0 -846.5 3073 1196.3" width="7.137ex" xmlns:xlink="http://www.w3.org/1999/xlink"><g fill="currentColor" stroke="currentColor" stroke-width="0" transform="matrix(1 0 0 -1 0 0)"><g is="true"><use is="true" xlink:href="#MJMAIN-7B"></use><g is="true" transform="translate(500,0)"><g is="true"><use xlink:href="#MJMAIN-31"></use><use x="500" xlink:href="#MJMAIN-30" y="0"></use></g><g is="true" transform="translate(1001,0)"><g is="true" transform="translate(35,0)"><use xlink:href="#MJMAIN-31"></use></g><g is="true" transform="translate(0,198)"><use x="-70" xlink:href="#MJMAIN-AF" y="0"></use><use x="70" xlink:href="#MJMAIN-AF" y="0"></use></g></g><g is="true" transform="translate(1571,0)"><use xlink:href="#MJMAIN-30"></use></g></g><use is="true" x="2572" xlink:href="#MJMAIN-7D" y="0"></use></g></g></svg><span role="presentation"><math xmlns="http://www.w3.org/1998/Math/MathML"><mrow is="true"><mo is="true">{</mo><mrow is="true"><mn is="true">10</mn><mover accent="true" is="true"><mn is="true">1</mn><mo is="true">¯</mo></mover><mn is="true">0</mn></mrow><mo is="true">}</mo></mrow></math></span></span><script type="math/mml"><math><mrow is="true"><mo is="true">{</mo><mrow is="true"><mn is="true">10</mn><mover accent="true" is="true"><mn is="true">1</mn><mo is="true">¯</mo></mover><mn is="true">0</mn></mrow><mo is="true">}</mo></mrow></math></script></span> and <span><span style=""></span><span data-mathml='<math xmlns="http://www.w3.org/1998/Math/MathML"><mrow is="true"><mo is="true">{</mo><mrow is="true"><mn is="true">11</mn><mover accent="true" is="true"><mn is="true">2</mn><mo is="true">&#xAF;</mo></mover><mn is="true">0</mn></mrow><mo is="true">}</mo><
使用疲劳预裂纹单边缺口弯曲试样(缺口与轧制方向(RD)成 ∥、⊥和 45°),对具有等轴微组织和基底纹理的生物植入级热轧镁进行了断裂韧性(FT)各向异性检验。由于裂纹尖端具有足够的塑性,因此测定了与尺寸无关的弹塑性断裂韧性(JIC)。由于初始基底纹理为{101'0}{101'0}和{112'0}{112'0}极,且大部分∥和⊥RD,在缺口处形成了不同的孪生薄片,因此观察到了各向异性的 JIC。面外拉应力激活了{101¯2}〈101¯1〉{101¯2}〈101¯1〉延伸孪晶(ET),就像基体-ET Σ15b 重合位点晶格边界(CSLB)界面一样。而⊥于裂纹尖端的面内拉应力激活了{101¯1}〈101¯2〉{101¯1}〈101¯2〉收缩孪晶(CT),并转化为{101¯1}{101¯1}-{101¯2}{101¯2}双孪晶(DT),基质-DT Σ23b 和 Σ15a CSLB。对于∥RD,在与缺口成 30°的位置形成了大量的 DT 片层,在与缺口成 30°和 90°的位置形成了少量的 ET,在 FT 过程中,裂纹主要通过 Σ23b/Σ15a CSLB 接口生长。而在⊥RD时,在∼0°和∼60°处出现了明显的DT和ET薄片,并通过基体-DT Σ23b/Σ15a和基体-ET Σ15b CSLB产生裂纹。DT 和 ET 片层在 ∼15° 处激活,裂纹通过 Σ15b 扩展至 RD 的 an∼45∘an∼45∘。从 an∥、⊥到 ∼45∘∼45∘ 再到 RD,JIC 和裂纹尖端塑性区减小,而 J 积分(Jel)的弹性分量和 ET 形成增加。与 DT 相比,几何硬度较高的 ET 的基质应变不相容性更高。因此,脆性层间裂纹是通过Σ15b界面产生的。与此相反,在通过Σ23b/Σ15a CSLB 的裂纹扩展过程中,基体和 DT 域中出现了几乎相似且更高的裂纹尖端塑性。通过Σ23b/Σ15a的裂纹生长会导致高JIC,Σ15b和Σ23b/Σ15a都会导致中等JIC,而Σ15b在与RD成∥、⊥和45°时的JIC最小。
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引用次数: 0
Ti3C2Tx MXene-functionalized Hydroxyapatite/Halloysite nanotube filled poly– (lactic acid) coatings on magnesium: In vitro and antibacterial applications 镁上的 Ti3C2Tx MXene 功能化羟基磷灰石/海泡石纳米管填充聚(乳酸)涂层:体外和抗菌应用
IF 17.6 1区 材料科学 Q1 METALLURGY & METALLURGICAL ENGINEERING Pub Date : 2024-10-15 DOI: 10.1016/j.jma.2024.09.017
Mehmet Topuz, Yuksel Akinay, Erkan Karatas, Tayfun Cetin
Magnesium (Mg) stands out in temporary biomaterial applications due to its biocompatibility, biodegradability, and low Young's modulus. However, controlling its corrosion through next-generation polymer-based functional coatings is crucial due to the rapid degradation behavior of Mg. In this study, the function of 2D lamellar Ti3C2Tx (MXene) in Hydroxyapatite (HA) and Halloysite nanotube (HNT) hybrid coatings in biodegradable poly– (lactic acid) (PLA) was investigated. The morphological and structural characterizations of the coatings on Mg were revealed through HRTEM, XPS, SEM-EDX, XRD, FTIR, and contact angle analyses/tests. Electrochemical in vitro corrosion tests (OCP, PDS, and EIS-Nyquist) were conducted for evaluate corrosion resistance under simulated body fluid (SBF) conditions. The bioactivity of the coatings in SBF have been revealed in accordance with the ISO 23,317 standard. Finally, antibacterial disk diffusion tests were conducted to investigate the functional effect of MXene in coatings. It has been determined that the presence of MXene in the coating increased not only surface wettability (131°, 85°, 77°, and 74° for uncoated, pH, PHH, and PHH/MXene coatings, respectively) but also increased corrosion resistance (1857.850, 42.357, 1.593, and 0.085 × 10–6, A/cm2 for uncoated, pH, PHH, and PHH/MXene coatings, respectively). It has been proven that the in vitro bioactivity of PLA-HA coatings is further enhanced by adding HNT and MXene, along with SEM morphologies after SBF. Finally, 2D lamellar MXene-filled coating exhibits antibacterial behavior against both E. coli and S. aureus bacteria.
镁(Mg)因其生物相容性、生物可降解性和低杨氏模量而在临时生物材料应用中脱颖而出。然而,由于镁的快速降解行为,通过下一代聚合物功能涂层控制其腐蚀至关重要。在本研究中,研究了可生物降解聚乳酸(PLA)中羟基磷灰石(HA)和霍洛石纳米管(HNT)杂交涂层中二维层状 Ti3C2Tx(MXene)的功能。通过 HRTEM、XPS、SEM-EDX、XRD、FTIR 和接触角分析/测试,揭示了镁涂层的形态和结构特征。还进行了电化学体外腐蚀试验(OCP、PDS 和 EIS-Nyquist),以评估在模拟体液 (SBF) 条件下的耐腐蚀性。根据 ISO 23,317 标准,揭示了涂层在 SBF 中的生物活性。最后,还进行了抗菌盘扩散试验,以研究涂层中 MXene 的功能效果。结果表明,涂层中的 MXene 不仅提高了表面润湿性(未涂层、pH 值、PHH 和 PHH/MXene 涂层的润湿性分别为 131°、85°、77° 和 74°),还提高了耐腐蚀性(未涂层、pH 值、PHH 和 PHH/MXene 涂层的耐腐蚀性分别为 1857.850、42.357、1.593 和 0.085 × 10-6 A/cm2)。事实证明,加入 HNT 和 MXene 后,PLA-HA 涂层的体外生物活性会进一步提高,SBF 后的扫描电镜形态也会进一步增强。最后,二维片状 MXene 填充涂层对大肠杆菌和金黄色葡萄球菌都有抗菌作用。
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引用次数: 0
Effect of corrosion behavior of cast and extruded ZK60 magnesium alloys processed via friction extrusion 通过摩擦挤压加工的铸造和挤压 ZK60 镁合金的腐蚀行为的影响
IF 17.6 1区 材料科学 Q1 METALLURGY & METALLURGICAL ENGINEERING Pub Date : 2024-10-15 DOI: 10.1016/j.jma.2024.09.015
A. Sharma, V. Beura, D. Zhang, J. Darsell, S. Niverty, V. Prabhakaran, N. Overman, D.R. Herling, V. Joshi, K. Solanki
The increasing demand for high-strength, corrosion-resistant magnesium alloys in transportation has led to the development of new processing techniques. In this work, cast and extruded ZK60 magnesium alloys were processed using the innovative solid-phase process, Friction Extrusion (FE). The microstructure was analyzed using Scanning Electron Microscopy (SEM), and Energy Dispersive Spectroscopy (EDS), showing a marked reduction in grain size, uniform solute distribution (Zn and Zr), and second phases after FE processing. Moreover, optical micrographs and Electron Backscatter Diffraction (EBSD) were employed to further evaluate the alloy microstructure. The corrosion resistance and electrochemical behavior were analyzed using potentiodynamic polarization, Scanning Electrochemical Cell Impedance Microscopy (SECCIM), and atomic emission spectroelectrochemistry analysis (AESEC). Time evolution surface imaging and post-corrosion microstructures were also analyzed to support the understanding of underlying corrosion mechanisms. Corrosion initiation and propagation in FE-processed samples followed grain boundary patterns, differing from cast and extruded ZK60 behaviors. Electrochemical measurements and in-situ time-dependent optical imaging demonstrated that FE processing enhanced corrosion potential, reduced corrosion current, and increased cathodic activity. Additionally, FE processing reduced the disparity in pitting potential between cast and extruded samples, resulting in intermediate pitting potentials. Higher Mg and lower Zn dissolution was observed in the lower anodic currents for FE-processed samples. During aggravated anodic current cycles, Mg dissolution equalized, but the Zn/Mg dissolution ratio increased for FE-processed extruded samples, suggesting less cathodic activation and better resistance to further pitting.
运输业对高强度、耐腐蚀镁合金的需求日益增长,促使人们开发新的加工技术。在这项工作中,使用创新的固相工艺--摩擦挤压(FE)对铸造和挤压 ZK60 镁合金进行了加工。使用扫描电子显微镜(SEM)和能量色散光谱(EDS)对微观结构进行了分析,结果表明 FE 加工后晶粒尺寸明显缩小,溶质分布(锌和锆)均匀,并出现了第二相。此外,还采用了光学显微照片和电子背散射衍射(EBSD)技术来进一步评估合金的微观结构。利用电位极化、扫描电化学池阻抗显微镜(SECCIM)和原子发射光谱电化学分析(AESEC)分析了合金的耐腐蚀性和电化学行为。此外,还对时间演化表面成像和腐蚀后微观结构进行了分析,以帮助了解潜在的腐蚀机制。FE 加工样品中的腐蚀起始和扩展遵循晶界模式,与铸造和挤压 ZK60 行为不同。电化学测量和原位随时间变化的光学成像表明,FE 处理增强了腐蚀电位、降低了腐蚀电流并提高了阴极活性。此外,FE 处理还缩小了浇铸样品和挤压样品之间点蚀电位的差距,从而产生了中间点蚀电位。在经过 FE 处理的样品的较低阳极电流中,可以观察到较高的镁溶解度和较低的锌溶解度。在加重的阳极电流循环中,镁的溶解趋于平衡,但经过 FE 处理的挤压样品的锌/镁溶解比增加了,这表明阴极活化程度降低,抗点蚀能力增强。
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引用次数: 0
Effective multifunctional coatings with polyvinylpyrrolidone-enhanced ZIF-67 and zinc iron layered double hydroxide on microarc oxidation treated AZ31 magnesium alloy 微弧氧化处理 AZ31 镁合金上的聚乙烯吡咯烷酮增强型 ZIF-67 和锌铁层双氢氧化物有效多功能涂层
IF 17.6 1区 材料科学 Q1 METALLURGY & METALLURGICAL ENGINEERING Pub Date : 2024-10-15 DOI: 10.1016/j.jma.2024.09.016
Mohammad Aadil, Ananda Repycha Safira, Arash Fattah-alhosseini, Mohammad Alkaseem, Mosab Kaseem
Modulating metal-organic framework's (MOF) crystallinity and size using a polymer, in conjunction with a high surface area of layered double hydroxide, yields an effective strategy for concurrently enhancing the electrochemical and photocatalytic performance. In this study, we present the development of an optimized nanocomposite, denoted as 0.5PVP/ZIF-67, developed on AZ31 magnesium alloy, serving as an efficient and durable multifunctional coating. This novel strategy aims to enhance the overall performance of the porous coating through the integration of microarc oxidation (MAO), ZnFe LDH backbone, and ZIF-67 formation facilitated by the addition of polyvinylpyrrolidone (PVP), resulting in a three-dimensional, highly efficient, and multifunctional material. The incorporation of 0.5 g of PVP proved to be effective in the size modulation of ZIF-67, which formed a corrosion-resistant top layer, improving the total polarization resistance (Rp = 8.20 × 108). The dual functionality exhibited by this hybrid architecture positions it as a promising candidate for mitigating environmental pollution, degrading 97.93 % of Rhodamine B dye in 45 min. Moreover, the sample displayed exceptional degradation efficiency (96.17 %) after 5 cycles. This study illuminates the potential of nanocomposites as electrochemically stable and photocatalytically active materials, laying the foundation for the advancements of next-generation multifunctional frameworks.
利用聚合物调节金属有机框架(MOF)的结晶度和尺寸,并结合高比表面积的层状双氢氧化物,可产生一种同时提高电化学和光催化性能的有效策略。在本研究中,我们在 AZ31 镁合金上开发了一种优化的纳米复合材料,命名为 0.5PVP/ZIF-67,作为一种高效耐用的多功能涂层。这种新颖的策略旨在通过微弧氧化(MAO)、ZnFe LDH 骨架和聚乙烯吡咯烷酮(PVP)的加入促进 ZIF-67 的形成,从而提高多孔涂层的整体性能,形成一种三维、高效和多功能的材料。事实证明,加入 0.5 克 PVP 能有效调节 ZIF-67 的尺寸,使其形成抗腐蚀表层,提高总极化电阻(Rp = 8.20 × 108)。这种混合结构所表现出的双重功能使其有望成为减轻环境污染的候选材料,它能在 45 分钟内降解 97.93% 的罗丹明 B 染料。此外,该样品在 5 个周期后显示出卓越的降解效率(96.17%)。这项研究揭示了纳米复合材料作为电化学稳定和光催化活性材料的潜力,为下一代多功能框架的发展奠定了基础。
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引用次数: 0
Balancing strength and ductility of LA141 alloy with a micro-nano laminated structure 利用微纳米层状结构平衡 LA141 合金的强度和延展性
IF 17.6 1区 材料科学 Q1 METALLURGY & METALLURGICAL ENGINEERING Pub Date : 2024-10-15 DOI: 10.1016/j.jma.2024.09.012
Xiaoyan Feng, Huize Deng, Xiaochun Ma, Zhenzhao Yang, Hui Zhang, Zhe Yu, Wenbin Liu, Jun Wang, Legan Hou, Bingyu Qian, Jianfeng Sun, Ruizhi Wu
The laminated LA141 sheets were processed by the accumulative roll bonding (ARB). The interaction between dislocations and laminated interfaces, and the effect of bond interface spacing on the dynamic recrystallisation (DRX) behavior and mechanical properties were investigated. The results show that, with the increase of ARB cycles, physical metallurgical bonding is enhanced. MgLi2Al nanophases and fragmented MgO particles are formed at the bond interface during ARB process, which has a significant positive effect on the interface bonding. With the increase of ARB cycles, the bond interface spacing decreases, DRX mode changes from continuous dynamic recrystallization (CDRX) to geometrical dynamic recrystallization (GDRX), and the Zener-pinning effect is enhanced, which facilitates the grain refinement strengthening. The bond interface can not only effectively hinder the movement of dislocations causing strengthening, but also absorb, reflect and transmission the dislocations causing the improvement of the ductility. The final LA141 alloy possesses a tensile strength of 247 MPa and an elongation of 16.6 %, of which is 93.0 % and 70.3 % higher than the as-cast alloy, respectively.
层压 LA141 板材是通过累积辊粘合 (ARB) 工艺加工而成的。研究了位错与层压界面之间的相互作用,以及结合界面间距对动态再结晶(DRX)行为和机械性能的影响。结果表明,随着 ARB 周期的增加,物理冶金结合得到了增强。在 ARB 过程中,结合界面上形成了 MgLi2Al 纳米相和破碎的氧化镁颗粒,这对界面结合有显著的积极影响。随着 ARB 周期的增加,结合界面间距减小,DRX 模式从连续动态再结晶(CDRX)转变为几何动态再结晶(GDRX),齐纳引线效应增强,有利于晶粒细化强化。结合界面不仅能有效阻碍位错的运动,导致强化,还能吸收、反射和传输位错,从而提高延展性。最终的 LA141 合金的抗拉强度为 247 兆帕,伸长率为 16.6%,分别比铸造时的合金高出 93.0% 和 70.3%。
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引用次数: 0
Mg anode interface engineering in KNO3 electrolyte with sodium 5-sulfosalicylate as an additive for enhanced performance of Mg-air batteries 以 5-磺酸钠作为添加剂在 KNO3 电解质中进行镁阳极界面工程,以提高镁-空气电池的性能
IF 17.6 1区 材料科学 Q1 METALLURGY & METALLURGICAL ENGINEERING Pub Date : 2024-10-10 DOI: 10.1016/j.jma.2024.09.007
Guanhua Lin, Yaqing Zhou, Sandrine Zanna, Antoine Seyeux, Philippe Marcus, Jolanta Światowska
The Mg-air batteries face limitations with pronounced hydrogen evolution and low anodic utilization efficiency from Mg anodes in conventional NaCl electrolytes. The corrosion performance, surface composition, and discharge properties of commercial purity Mg anodes were thoroughly investigated in KNO3 electrolytes with and without sodium 5-sulfosalicylate and compared to NaCl electrolyte. The addition of sodium 5-sulfosalicylate to KNO3-based electrolyte results in efficient inhibition of H2 evolution, consequently enhancing anodic utilization efficiency to 84 % and specific capacity to 1844 mAh/g, compared to NaCl (24 % and 534 mAh/g, respectively) under discharge condition of 10 mA/cm2 in half cell. Furthermore, the chelating ability of sodium 5-sulfosalicylate can significantly improve the Mg surface dissolution kinetics and discharge product deposition rate at the Mg anode / electrolyte interface, yielding formation of a thinner discharge layer as confirmed by time-of-flight secondary ion mass spectrometry. The discharge voltage is increased to 1.60 V, compared to 1.35 V in KNO3 at 0.5 mA/cm2 in full cell. However, higher concentration of sodium 5-sulfosalicylate can accelerate Mg anode dissolution, impeding the improvement of anodic utilization efficiency, specific capacity, and energy density. Hence, determining optimal additive concentration and current density is crucial for enhancing the discharge properties of Mg-air batteries and mitigating excessive Mg dissolution in chloride-free electrolytes.
在传统的氯化钠电解质中,镁空气电池面临着镁阳极氢进化明显和阳极利用效率低的限制。我们深入研究了商业纯度镁阳极在含有或不含有 5-磺酸钠的 KNO3 电解质中的腐蚀性能、表面成分和放电特性,并与 NaCl 电解质进行了比较。在半电池 10 mA/cm2 的放电条件下,在 KNO3 电解质中添加 5-磺基水杨酸钠可有效抑制 H2 的演化,从而将阳极利用率提高到 84%,比容量提高到 1844 mAh/g,而 NaCl 电解质的阳极利用率和比容量分别为 24% 和 534 mAh/g。此外,5-磺基水杨酸钠的螯合能力可显著改善镁表面溶解动力学和镁阳极/电解质界面的放电产物沉积速率,从而形成更薄的放电层,这一点已通过飞行时间二次离子质谱法得到证实。在 0.5 mA/cm2 的全电池条件下,放电电压增至 1.60 V,而在 KNO3 中则为 1.35 V。然而,较高浓度的 5-磺基水杨酸钠会加速阳极镁的溶解,阻碍阳极利用效率、比容量和能量密度的提高。因此,确定最佳添加剂浓度和电流密度对于提高镁空气电池的放电性能和减少无氯化物电解质中镁的过度溶解至关重要。
{"title":"Mg anode interface engineering in KNO3 electrolyte with sodium 5-sulfosalicylate as an additive for enhanced performance of Mg-air batteries","authors":"Guanhua Lin, Yaqing Zhou, Sandrine Zanna, Antoine Seyeux, Philippe Marcus, Jolanta Światowska","doi":"10.1016/j.jma.2024.09.007","DOIUrl":"https://doi.org/10.1016/j.jma.2024.09.007","url":null,"abstract":"The Mg-air batteries face limitations with pronounced hydrogen evolution and low anodic utilization efficiency from Mg anodes in conventional NaCl electrolytes. The corrosion performance, surface composition, and discharge properties of commercial purity Mg anodes were thoroughly investigated in KNO<sub>3</sub> electrolytes with and without sodium 5-sulfosalicylate and compared to NaCl electrolyte. The addition of sodium 5-sulfosalicylate to KNO<sub>3</sub>-based electrolyte results in efficient inhibition of H<sub>2</sub> evolution, consequently enhancing anodic utilization efficiency to 84 % and specific capacity to 1844 mAh/g, compared to NaCl (24 % and 534 mAh/g, respectively) under discharge condition of 10 mA/cm<sup>2</sup> in half cell. Furthermore, the chelating ability of sodium 5-sulfosalicylate can significantly improve the Mg surface dissolution kinetics and discharge product deposition rate at the Mg anode / electrolyte interface, yielding formation of a thinner discharge layer as confirmed by time-of-flight secondary ion mass spectrometry. The discharge voltage is increased to 1.60 V, compared to 1.35 V in KNO<sub>3</sub> at 0.5 mA/cm<sup>2</sup> in full cell. However, higher concentration of sodium 5-sulfosalicylate can accelerate Mg anode dissolution, impeding the improvement of anodic utilization efficiency, specific capacity, and energy density. Hence, determining optimal additive concentration and current density is crucial for enhancing the discharge properties of Mg-air batteries and mitigating excessive Mg dissolution in chloride-free electrolytes.","PeriodicalId":16214,"journal":{"name":"Journal of Magnesium and Alloys","volume":null,"pages":null},"PeriodicalIF":17.6,"publicationDate":"2024-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142398061","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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Journal of Magnesium and Alloys
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