A comparative study on erosion wear behavior of bilayered high velocity oxy-fuel ceramic coatings on aluminum alloy substrate using granite and quartz erodent Vergleichsstudie zum Erosionsverschleißverhalten unter Verwendung von Granit und Quarz von zweischichtigen Hochgeschwindigkeitsflammspritz-Keramikbeschichtungen auf einer Aluminiumlegierung

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

Materialwissenschaft und Werkstofftechnik Pub Date : 2025-03-03 DOI:10.1002/mawe.202400100

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

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Abstract

High velocity oxy-fuel coatings have been sprayed on a novel aluminium (Al) alloy substrate with varying coating thickness and tested for their wear behavior. The air erosion wear test has been conducted on coating samples using Granite stone powder and quartz sand of size up to 75 μm as erodent. The steady state experiments indicate that the greatest specific erosion rate is at 90° for erosion by granite sand and at 60° for erosion by quartz sand. The specific erosion rate decreases with the increase in the thickness of the coatings. Surface topography of the eroded samples indicate an increase in surface roughness at 90° as compared to that at 60° impact angle. Thereafter, Taguchi (L₁₆) orthogonal array is utilized in order to optimize the input parameters. The input parameters are impact velocities, Coating thickness, Erodent feed rate and impact angle. The results from Taguchi experiments find the order of dominance of control factors as: velocity > angle > coating thickness > erodent feed rate for erosion by granite stone and velocity > coating thickness > angle > erodent feed rate for erosion by quartz sand. Coatings have exhibited a semi-ductile wear behavior.

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在新型铝（Al）合金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。在涂层样品上进行了空气侵蚀磨损试验，使用的侵蚀剂是花岗岩石粉和粒度最大为 75 μm 的石英砂。稳态实验表明，花岗岩砂在 90° 时的侵蚀比侵蚀率最大，石英砂在 60° 时的侵蚀比侵蚀率最大。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，与 60° 冲击角相比，90°冲击角下的表面粗糙度有所增加。随后，利用田口（L16）正交阵列对输入参数进行优化。输入参数包括冲击速度、涂层厚度、电极进给速度和冲击角。Taguchi 实验结果表明，控制因素的优势顺序为：花岗岩侵蚀时的速度> 角度> 涂层厚度> 蚀刻剂进给速度，石英砂侵蚀时的速度> 涂层厚度> 角度> 蚀刻剂进给速度。涂层表现出半韧性磨损行为。

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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.