Effect of sodium pentaborate (B5H10NaO13) nanoparticle addition to oxide coatings grown on AZ31 magnesium alloy by micro arc oxidation method on mechanical, corrosion and adhesion properties of coatings

IF 2.7 4区材料科学 Q1 MATERIALS SCIENCE, CERAMICS

Boletin de la Sociedad Espanola de Ceramica y Vidrio Pub Date : 2025-06-05 DOI:10.1016/j.bsecv.2025.100446

Suleyman Sukuroglu

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引用次数: 0

Abstract

AZ31 magnesium alloy is one of the lightweight metallic engineering materials that are widely used in many industrial areas such as aviation, space, automobile and electronics industries, biomedical applications, where structural weight reduction is at the forefront of design principles. This study focuses on the growth of MgO and MgO:B₅H₁₀NaO₁₃ doped oxide coatings on the surface of AZ31 magnesium alloy by micro arc oxidation (MAO) method in order to improve its usage areas and lifetime in industrial applications, and to investigate the structural, morphological, adhesion and corrosion properties of the grown coatings. In the study, MgO coatings were grown by MAO method and MgO:B₅H₁₀NaO₁₃ doped composite oxide coatings were grown by adding sodium pentaborate (B₅H₁₀NaO₁₃) nanoparticles into the electrolytic solution in MAO method. The phase structure of the grown coatings was determined by X-ray Diffraction (XRD), microstructure by Scanning Electron Microscopy (SEM) and chemical composition by Energy Dispersive X-ray Spectroscopy (EDS). The hardness of MgO and MgO:B₅H₁₀NaO₁₃ doped composite oxide coatings were determined by microhardness tester, the adhesion resistance with the base material was determined by Scratch Tester and the corrosion resistance was determined by potentiodynamic polarization tester. As a result, it was observed that dense and homogeneous coatings were grown on the surfaces of particle-added (MgO:B₅H₁₀NaO₁₃) coatings, that porosity and pore sizes on the surfaces of the coatings were reduced, that microcracks were reduced, and that coatings with high bond strength with the base material were grown. It was also determined that the corrosion resistance of the coatings with particle addition (MgO:B₅H₁₀NaO₁₃) was higher than the corrosion resistance of the coatings without particle addition (MgO).

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五硼酸钠（B5H10NaO13）纳米颗粒对AZ31镁合金微弧氧化膜力学性能、腐蚀性能和附着力的影响

AZ31镁合金是一种轻量化金属工程材料，广泛应用于航空、航天、汽车、电子、生物医学等诸多工业领域，结构减重是设计原则的前沿。为了提高AZ31镁合金的使用面积和寿命，本研究采用微弧氧化（MAO）方法在AZ31镁合金表面生长MgO和MgO:B5H10NaO13掺杂氧化物涂层，并研究其结构、形貌、附着力和腐蚀性能。本研究采用MAO法生长MgO涂层，采用MAO法在电解溶液中加入五硼酸钠（B5H10NaO13）纳米颗粒生长MgO:B5H10NaO13掺杂复合氧化物涂层。用x射线衍射仪（XRD）、扫描电镜（SEM）和能谱仪（EDS）分别测定了涂层的物相结构、微观结构和化学成分。采用显微硬度计测定了MgO和MgO:B5H10NaO13掺杂复合氧化物涂层的硬度，用划痕仪测定了涂层与基材的粘附性能，用动电位极化仪测定了涂层的耐腐蚀性能。结果表明，添加颗粒（MgO:B5H10NaO13）的涂层表面生长致密均匀，涂层表面孔隙率和孔径减小，微裂纹减少，涂层与基材结合强度高。结果表明，添加颗粒（MgO:B5H10NaO13）的涂层的耐蚀性高于未添加颗粒（MgO）的涂层。

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来源期刊

Boletin de la Sociedad Espanola de Ceramica y Vidrio 工程技术-材料科学：硅酸盐

CiteScore

5.50

自引率

2.90%

发文量

审稿时长

103 days

期刊介绍： The Journal of the Spanish Ceramic and Glass Society publishes scientific articles and communications describing original research and reviews relating to ceramic materials and glasses. The main interests are on novel generic science and technology establishing the relationships between synthesis, processing microstructure and properties of materials. Papers may deal with ceramics and glasses included in any of the conventional categories: structural, functional, traditional, composites and cultural heritage. The main objective of the Journal of the Spanish Ceramic and Glass Society is to sustain a high standard research quality by means of appropriate reviewing procedures.