The tribological properties of porous oil-impregnated PTFE composites prepared by CA pyrolysis synergizing with SBF/FeOCl reinforcements

IF 1.9 4区工程技术 Q3 ENGINEERING, MECHANICAL

Industrial Lubrication and Tribology Pub Date : 2025-10-31 DOI:10.1108/ilt-05-2025-0245

Jialin Yan, Liming Zhu, Bingli Pan, Longlong Zhang, Yihao Zhang, Huafeng Zhao, Yuzhen Li, Xinyu Yuan

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引用次数: 0

Abstract

Purpose This paper aims to enhance the oil retention and tribological properties of porous oil-impregnated polytetrafluoroethylene (PTFE) composites using short basalt fibers (SBF) loaded with two-dimensional layered nanoparticles iron oxychloride (FeOCl) as reinforcement. Design/methodology/approach The SBF/FeOCl reinforcement was prepared by loading nano-layered FeOCl particles onto SBF via a microwave method. Porous oil-impregnated PTFE composites (PTFE/SBF/FeOCl/G) were then fabricated using citric acid (CA) as a pore-forming agent through cold pressing and heat sintering, followed by computational simulation of the composites. Findings The oil storage and retention properties of the composites were significantly improved. Compared with pure PTFE, the hardness of PTFE/SBF/FeOCl/G increased by 11%, while the average friction coefficient and wear rate decreased by 52.3% and 73.9%, respectively. Computational simulations revealed that FeOCl loading improved the interfacial bonding between the matrix and PTFE. Originality/value This study is expected to promote the application of FeOCl in the field of tribology and the development of porous oil-impregnated polymers in industrial fields. Peer review The peer review history for this article is available at: Link to the cited website

查看原文本刊更多论文

CA热解与SBF/FeOCl增强剂协同制备多孔油浸PTFE复合材料的摩擦学性能

目的利用短玄武岩纤维（SBF）加载二维层状纳米氧化铁（FeOCl）作为增强剂，提高多孔油浸聚四氟乙烯（PTFE）复合材料的保油性能和摩擦学性能。设计/方法/方法通过微波法将纳米层状FeOCl颗粒加载到SBF上制备SBF/FeOCl增强材料。以柠檬酸（CA）为成孔剂，通过冷压和热烧结制备了多孔油浸PTFE复合材料（PTFE/SBF/FeOCl/G），并对复合材料进行了计算模拟。结果复合材料的储油和保油性能明显提高。与纯PTFE相比，PTFE/SBF/FeOCl/G的硬度提高了11%，平均摩擦系数和磨损率分别降低了52.3%和73.9%。计算模拟表明，FeOCl的加载改善了基体与PTFE之间的界面结合。本研究有望促进FeOCl在摩擦学领域的应用，以及多孔油浸聚合物在工业领域的发展。同行评议这篇文章的同行评议历史可以在：链接到被引用的网站

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来源期刊

Industrial Lubrication and Tribology 工程技术-工程：机械

CiteScore

3.00

自引率

18.80%

发文量

129

审稿时长

1.9 months

期刊介绍： Industrial Lubrication and Tribology provides a broad coverage of the materials and techniques employed in tribology. It contains a firm technical news element which brings together and promotes best practice in the three disciplines of tribology, which comprise lubrication, wear and friction. ILT also follows the progress of research into advanced lubricants, bearings, seals, gears and related machinery parts, as well as materials selection. A double-blind peer review process involving the editor and other subject experts ensures the content''s validity and relevance.