氧化石墨烯改性碳纤维增强磷酸盐涂层的摩擦学性能研究

斯帅, 李佳红, 卞达, 赵永武, 钱善华

doi:10.16577/j.issn.1001-1560.2024.0001

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材料保护 >

2024 , Vol. 57 >Issue 1: 1 - 7

DOI: https://doi.org/10.16577/j.issn.1001-1560.2024.0001

研究篇

氧化石墨烯改性碳纤维增强磷酸盐涂层的摩擦学性能研究

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¹江南大学机械工程学院； ²江南大学江苏省先进食品制造装备技术重点实验室

钱善华(1980-)，教授，博士，研究方向为表面工程，E-mail: qianjnwx＠126.com；

卞达(1990-)，副教授，博士，研究方向为表面工程，E-mail: biand＠jiangnan.edu.cn

收稿日期: 2023-05-18

修回日期: 2023-07-07

录用日期: 2023-07-25

网络出版日期: 2024-01-30

基金资助

国家自然科学科学基金项目(项目编号51675232)

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Study on the Tribological Properties of Graphene Oxide Modified Carbon Fiber Reinforced Phosphate Coatings

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(1.School of Mechanical Engineering，Jiangnan University，Wuxi 214122，China；2.Jiangsu Key Laboratory of Advanced Food Manufacturing Equipment Technology，Jiangnan University，Wuxi 214100，China)

QIAN Shanhua (1980-)，Professor，Ph.D.，Research Focus: Interface Science and Engineering，E-mail: qianjnwx＠126.com；

BIAN Da (1990-)，Associate Professor，Ph.D.，Research Focus: Interface Science and Engineering，E-mail:biand＠jiangnan.edu.cn

Received date: 2023-05-18

Revised date: 2023-07-07

Accepted date: 2023-07-25

Online published: 2024-01-30

Supported by

National Natural Science Foundation of China (Grant No.: 51675232)

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摘要

着眼于改善磷酸盐粘结涂层的摩擦学性能，探究了改性碳纤维应用于涂层的可行性。通过电泳沉积法将氧化石墨烯(GO)接枝到碳纤维(CF)表面，并采用刮涂-热固法制备了磷酸盐陶瓷涂层；采用扫描电子显微镜和拉曼光谱仪分别表征了CF-GO 样品的表面形貌和分子结构，通过摩擦磨损试验机考察了CF-GO 含量对涂层摩擦学性能的影响。结果表明:含CF-GO 的涂层摩擦学性能显著优于含未处理CF 的涂层；随着CF-GO 含量的增加，磷酸盐粘结涂层的摩擦系数和磨损率均呈现出先降低后增加的变化；与未添加CF 的涂层相比，含10%(质量分数)CF-GO的涂层表现出优异的摩擦学性能，对应的平均摩擦系数和磨损率分别降低了50%和38%。这表明适量的CF-GO 能够改善其涂层的摩擦学性能，可为新型磷酸盐涂层研发和工程应用提供较好的参考。

关键词： 氧化石墨烯; 碳纤维; 电泳沉积法; 磷酸盐涂层; 摩擦学性能

本文引用格式

斯帅, 李佳红, 卞达, 赵永武, 钱善华 . 氧化石墨烯改性碳纤维增强磷酸盐涂层的摩擦学性能研究[J]. 材料保护, 2024 , 57(1) : 1 -7 . DOI: 10.16577/j.issn.1001-1560.2024.0001

Abstract

In order to improve the tribological properties of phosphate-bonded coatings，the feasibility of modified carbon fibers in coatings was explored.In this work，graphene oxide (GO) was grafted to carbon fibers (CF) by electrophoretic deposition，and the phosphate ceramic coating was prepared by scraping-thermosetting method.Scanning electron microscopy and Raman spectroscopy were used to determine the surface morphology and molecular structure of CF-GO samples，and the influence of CF-GO content on the tribological properties of coatings was studied by friction testing machine.Results showed that the tribological properties of coatings containing CF-GO were significantly better than those containing untreated CF.With the increase of CF-GO content，the friction coefficient and wear rate of phosphate bonded coatings showed changes that decreased first and then increased.Compared with coatings without CF，the coatings containing 10%(mass fraction) CF-GO exhibited excellent tribological properties，and the corresponding average coefficient of friction and wear rate were reduced by 50%and 38%，respectively.This above indicated that the appropriate amount of CF-GO could improve the tribological properties of its coating，which could provide a good reference for the development and engineering application of new phosphate coatings.

Key words： graphene oxide; carbon fibers; electrophoretic deposition method; phosphate coating; tribological properties

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ISSN 1001-1560　CN 42-1215/TB
主管部门：中国机械工业联合会
主办单位：武汉材料保护研究所有限公司
编辑出版：《材料保护》编辑部

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