Al2O3掺入玻璃/环氧复合材料的浆液侵蚀研究

IF 1 4区工程技术 Q4 ENGINEERING, MECHANICAL

International Journal of Surface Science and Engineering Pub Date : 2020-12-23 DOI:10.1504/ijsurfse.2020.10034486

A. G. Joshi, M. P. Kumar, S. Basavarajappa

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引用次数: 0

摘要

已有许多文献报道了纤维增强塑料（FRPs）的射流侵蚀，但很少有文献报道其浆料侵蚀行为。此外，有限的研究关注掺入填料的FRP的浆料侵蚀特性。因此，本研究的重点是氧化铝填料掺入玻璃/环氧树脂复合材料的浆料侵蚀行为。所考虑的参数包括浆料浓度、接触角和冲击速度。实验结果表明，填料比例的增加提高了玻璃/环氧树脂复合材料的耐侵蚀性。浆料浓度和冲击速度的增加导致所研究的复合材料的侵蚀量更高。由于侵蚀导致的材料损失随着冲击角的增加而增加，直到45°，而冲击角的进一步增加导致磨损减少。通过侵蚀样品的扫描电镜图像研究了侵蚀机理。磨损表面分析表明，在45°至60°的冲击角下，塑性变形、基体微切削脱粘、微剥落和粉碎是主要的侵蚀机制。

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Investigation on slurry erosion of Al2O3 incorporated glass/epoxy composites

The jet erosion of fibre reinforced plastics (FRPs) has been reported in many literatures available, but very few have reported on their slurry erosion behaviour of FRPs. Furthermore, limited studies have paid attention on slurry erosion characterisation of filler incorporated FRPs. Hence, present study was focused on slurry erosion behaviour of alumina fillers incorporated glass/epoxy composites. The parameters considered were slurry concentration, contact angle and impact velocity. The experimental results reveal that increase in filler percentage increased the erosion resistance of glass/epoxy composites. The increase in slurry concentration and impact velocity has resulted in higher amount of erosion of studied composites. The material loss due to erosion increased with increase of impact angle till 45°, whereas further increase in impact angle caused reduction in wear. Erosion mechanisms were studied through SEM image of eroded samples. Worn surface analysis revealed that plastic deformation, matrix debonding with microcutting, microploughing, and pulverisation were dominant erosion mechanisms at 45° to 60° impact angle.

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来源期刊

International Journal of Surface Science and Engineering 工程技术-材料科学：膜

CiteScore

1.60

自引率

25.00%

发文量

审稿时长

>12 weeks

期刊介绍： IJSurfSE publishes refereed quality papers in the broad field of surface science and engineering including tribology, but with a special emphasis on the research and development in friction, wear, coatings and surface modification processes such as surface treatment, cladding, machining, polishing and grinding, across multiple scales from nanoscopic to macroscopic dimensions. High-integrity and high-performance surfaces of components have become a central research area in the professional community whose aim is to develop highly reliable ultra-precision devices.