Preparation and frictional characteristics of solid lubrication coating on CFRP surface

IF 2.4 4区材料科学 Q3 MATERIALS SCIENCE, COATINGS & FILMS Surface Engineering Pub Date : 2023-10-07 DOI:10.1080/02670844.2023.2265609

Xianglong Wen, Zhengyang Zhou, Pengfei Wang, Jinguang Zhang

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Abstract

ABSTRACTSolid lubricating coatings were applied onto Carbon Fibre Reinforced Polymer (CFRP) substrates, using epoxy resin as the adhesive agent, graphite (C) and molybdenum disulphide (MoS2) as lubricating components, and alumina (Al2O3) as the functional filler. The test parts were prepared by spraying technology and co-curing process. The mechanical properties of the coating were evaluated using Bar hardness and wear rate tests, while the microstructure of the coating was analysed using EDS elemental analysis technology. The test results revealed that the filler content had a significant impact on the mechanical properties. The performance of the coating was determined by the formation of a lubricating film, which resulted from the accumulation of lubricant and reinforcing material during external friction. Scheme T7 yielded the best coating performance with a ratio of epoxy resin to molybdenum disulphide to graphite to alumina of 20:8:3:2.KEYWORDS: Orthogonal experimentfrictional characteristicslubrication coatingco-curing technologyspraing technologymechanical propertieslubricating filmreinforcing material Data availability statementAll relevant data are within the paper.Disclosure statementNo potential conflict of interest was reported by the author(s).Additional informationFundingThis work was supported by National Natural Science Foundation of China [grant number 51975435].

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CFRP表面固体润滑涂层的制备及其摩擦特性

摘要以环氧树脂为粘合剂，石墨(C)和二硫化钼(MoS2)为润滑成分，氧化铝(Al2O3)为功能填料，在碳纤维增强聚合物(CFRP)基材上涂覆固体润滑涂料。采用喷涂工艺和共固化工艺制备了试验件。采用Bar硬度试验和磨损率试验对涂层的力学性能进行了评价，采用EDS元素分析技术对涂层的微观组织进行了分析。试验结果表明，填料含量对其力学性能有显著影响。涂层的性能是由润滑膜的形成决定的，这是由于润滑剂和增强材料在外摩擦过程中积累而形成的。方案T7中环氧树脂与二硫化钼、石墨与氧化铝的配比为20:8:3:2时，涂层性能最佳。关键词:正交试验;摩擦特性;润滑涂层;共固化技术;;披露声明作者未报告潜在的利益冲突。本研究受国家自然科学基金资助[批准号:51975435]。

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来源期刊

Surface Engineering 工程技术-材料科学：膜

CiteScore

5.60

自引率

14.30%

发文量

审稿时长

2.3 months

期刊介绍： Surface Engineering provides a forum for the publication of refereed material on both the theory and practice of this important enabling technology, embracing science, technology and engineering. Coverage includes design, surface modification technologies and process control, and the characterisation and properties of the final system or component, including quality control and non-destructive examination.