Erosion wear of the multilayered high velocity oxy-fuel ceramic coatings on aluminum alloy composite substrate Erosionsverschleiß der mehrschichtigen Hochgeschwindigkeits-Oxybrennstoff-Keramikbeschichtungen auf einem Aluminiumlegierungs-Verbundwerkstoffsubstrat

IF 1.2 4区材料科学 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materialwissenschaft und Werkstofftechnik Pub Date : 2024-08-21 DOI:10.1002/mawe.202400027

A. Vats, A. Patnaik, M. L. Meena, V. Kukshal, T. K. Patnaik

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Abstract

High velocity oxyfuel coatings have been sprayed on aluminium (Al) alloy composites substrate with varying coating thickness and tested for their wear behavior. The density and micro- hardness of the coatings found to increase with increase in coating thickness. The air erosion wear test has been conducted using quartz sand of size up to 75 μm as erodent. The steady state experiments indicate that the greatest specific erosion rate is at 60° and minimum at 30°. Due to the presence of interlayer, specific erosion rate decreases with the increase in the thickness of the coatings. Surface topography of the eroded samples indicate a decrease in surface roughness with increase in impact velocity. Thereafter, Taguchi (L₁₆) orthogonal array has been utilized in order to optimize the input parameters. Analysis of variance has been applied to determine the contribution of individual control factors. The results from Taguchi experiments and analysis of variance find the order of dominance of control factors and their individual contribution as: velocity (47.31 %) > coating thickness (29.94 %) > angle (13.26 %) > erodent feed rate (7.65 %). Coatings have exhibited a semiductile wear behavior.

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铝合金复合基材上的多层高速纯氧陶瓷涂层的侵蚀磨损铝合金复合基材上的多层高速纯氧陶瓷涂层的侵蚀磨损

在铝（Al）合金复合材料基材上喷涂了不同厚度的高速纯氧涂层，并对其磨损行为进行了测试。发现涂层的密度和微硬度随着涂层厚度的增加而增加。使用最大尺寸为 75 μm 的石英砂作为侵蚀剂进行了气蚀磨损试验。稳态实验表明，60°时比侵蚀率最大，30°时最小。由于存在夹层，比侵蚀率随着涂层厚度的增加而降低。被侵蚀样品的表面形貌表明，表面粗糙度随着冲击速度的增加而降低。随后，利用田口（L16）正交阵列对输入参数进行优化。方差分析用于确定各个控制因素的贡献。田口实验和方差分析的结果表明，控制因素的主导顺序及其各自的贡献率为：速度（47.31%）；涂层厚度（29.94%）；角度（13.26%）；侵蚀进给率（7.65%）。涂层表现出半延展性磨损行为。

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来源期刊

Materialwissenschaft und Werkstofftechnik 工程技术-材料科学：综合

CiteScore

2.10

自引率

9.10%

发文量

154

审稿时长

4-8 weeks

期刊介绍： Materialwissenschaft und Werkstofftechnik provides fundamental and practical information for those concerned with materials development, manufacture, and testing. Both technical and economic aspects are taken into consideration in order to facilitate choice of the material that best suits the purpose at hand. Review articles summarize new developments and offer fresh insight into the various aspects of the discipline. Recent results regarding material selection, use and testing are described in original articles, which also deal with failure treatment and investigation. Abstracts of new publications from other journals as well as lectures presented at meetings and reports about forthcoming events round off the journal.