纳米颗粒增强环氧复合材料表面磨损性能的研究

IF 2 3区材料科学 Q2 ENGINEERING, MECHANICAL

Surface Topography: Metrology and Properties Pub Date : 2023-05-12 DOI:10.1088/2051-672X/acd4d4

Serkan Apay, M. Kılınçel

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引用次数: 0

摘要

本研究分别以0.5%和1%的比例向环氧聚合物中添加纳米Al2O3、硼和TiO2粉末。研究了纳米颗粒增强环氧聚合物的耐磨性。首先制备了添加和不添加添加剂的圆柱形试样进行实验研究。采用针盘对环氧树脂试样进行磨损试验。质量损失是通过精密秤测量的。结果表明，硼纳米颗粒提高了环氧树脂试件的耐蚀性。通过实验研究发现，每添加一种纳米粉末，环氧复合材料的耐磨性都有所提高。SEM和光学轮廓术研究了复合材料的摩擦系数和表面形貌。摩擦系数和磨损失重试验表明，1%硼粉纳米增强环氧复合材料的耐磨性最高。结果表明，环氧树脂的摩擦系数在0.4 ~ 0.6之间，纳米硼的加入使环氧树脂的摩擦系数减小到0.2 ~ 0.4。环氧磨损后的表面粗糙度值为1.4 μm。添加纳米硼后，该值为0.32 μm。光学轮廓术和扫描电镜成像结果也支持这些值。

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The investigation of wear properties of nanoparticle-reinforced epoxy composite material surfaces

This study added nano-sized Al2O3, Boron, and TiO2 powders to the epoxy polymer at 0.5% and 1% ratios. Abrasive wear resistance properties of nanoparticle-reinforced epoxy polymers were investigated. First cylindrical specimens with and without additives were prepared for realizing the experimental research. Pin-on discs were used for the wear test of epoxy samples. The mass losses were measured via a precision scale. According to the results, the boron nanoparticles have increased the epoxy specimens’ resistance. As a result of the experimental studies, it was observed that the wear resistance of the epoxy composite increased with each nano-sized powder added to the epoxy. SEM and optical profilometry investigated the composites’ friction coefficient and surface morphology. As a result of friction coefficient and wear weight loss tests, the highest wear resistance was obtained in 1% boron powder nano-reinforced epoxy composites. It was observed that the epoxy friction coefficient was in the range of 0.4–0.6, which decreased to the range of 0.2–0.4 with the addition of nano boron. The surface roughness value after epoxy wear was measured as 1.4 μm. With the addition of nano boron, this value was measured as 0.32 μm. Optical profilometry and SEM imaging results also support these values.

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来源期刊

Surface Topography: Metrology and Properties Materials Science-Materials Chemistry

CiteScore

4.10

自引率

22.20%

发文量

183

期刊介绍： An international forum for academics, industrialists and engineers to publish the latest research in surface topography measurement and characterisation, instrumentation development and the properties of surfaces.