关于控制β-(Ni,Pt)Al 结合层上悬浮等离子喷涂钇稳定氧化锆面层的微观结构

IF 5.3 2区材料科学 Q1 MATERIALS SCIENCE, COATINGS & FILMS

Surface & Coatings Technology Pub Date : 2024-11-17 DOI:10.1016/j.surfcoat.2024.131572

D. Huang , Y.S. Niu , S. Li , Y.M. Jiang , C.Y. Zhang , Z.B. Bao , S.L. Zhu , F.H. Wang

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引用次数: 0

摘要

采用悬浮等离子喷涂技术成功地在β-(Ni,Pt)Al结合层上沉积了四方钇稳定氧化锆，形成了柱状和垂直裂纹等多种结构。本研究旨在通过调整悬浮液特性和喷涂距离，研究悬浮等离子喷涂面漆在β-(Ni,Pt)铝键合层上的沉积机理。结果表明，乙醇含量的增加会使结构从垂直裂纹逐渐过渡到柱状。此外，喷涂距离能有效控制沉积面漆的沉积速率、表面粗糙度和孔隙率。此外，柱状和等轴状晶体在沉积表层涂料中均匀分布，并对其形成机制进行了全面讨论。

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On controlling microstructure of suspension plasma sprayed yttria-stabilized zirconia topcoat on β-(Ni,Pt)Al bondcoat

The deposition of tetragonal yttria-stabilized zirconia on β-(Ni,Pt)Al bondcoat was successfully achieved using suspension plasma spraying, resulting in various structures including columnar and vertical-cracked formations. This study aims to investigate the deposition mechanism of suspension plasma sprayed topcoats on β-(Ni,Pt)Al bondcoat by adjusting suspension characteristics and spraying distances. The results demonstrated that increasing ethanol contents gradually transitioned the structure from vertical-cracked to columnar. Moreover, the spraying distance effectively controlled the deposition rates, surface roughness, and porosity of the deposited topcoats. Additionally, both columnar and equiaxed crystals were uniformly distributed within the deposited topcoats, with a comprehensive discussion on their formation mechanisms.

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来源期刊

Surface & Coatings Technology 工程技术-材料科学：膜

CiteScore

10.00

自引率

11.10%

发文量

921

审稿时长

19 days

期刊介绍： Surface and Coatings Technology is an international archival journal publishing scientific papers on significant developments in surface and interface engineering to modify and improve the surface properties of materials for protection in demanding contact conditions or aggressive environments, or for enhanced functional performance. Contributions range from original scientific articles concerned with fundamental and applied aspects of research or direct applications of metallic, inorganic, organic and composite coatings, to invited reviews of current technology in specific areas. Papers submitted to this journal are expected to be in line with the following aspects in processes, and properties/performance: A. Processes: Physical and chemical vapour deposition techniques, thermal and plasma spraying, surface modification by directed energy techniques such as ion, electron and laser beams, thermo-chemical treatment, wet chemical and electrochemical processes such as plating, sol-gel coating, anodization, plasma electrolytic oxidation, etc., but excluding painting. B. Properties/performance: friction performance, wear resistance (e.g., abrasion, erosion, fretting, etc), corrosion and oxidation resistance, thermal protection, diffusion resistance, hydrophilicity/hydrophobicity, and properties relevant to smart materials behaviour and enhanced multifunctional performance for environmental, energy and medical applications, but excluding device aspects.