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镍基表面石墨烯自修复生长及摩擦性能研究

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  • 1. 国网内蒙古东部电力有限公司兴安供电公司, 内蒙古 乌兰浩特 137400;2. 国网内蒙古东部电力有限公司, 内蒙古 呼和浩特 010000;3. 陕西科技大学材料科学与工程学院, 陕西 西安 710021
叶晓慧(1987-),副教授,博士研究生,研究方向为石墨烯触头材料,E-mail:yexiaohui@sust.edu.cn

收稿日期: 2022-07-13

  修回日期: 2022-08-16

  录用日期: 2022-09-07

  网络出版日期: 2023-07-25

基金资助

国家自然科学基金(61705125)资助;

Study on Self-Healing Growth and Friction Properties of Graphene on Nickel-Based Surface

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  • 1. Xing’an Power Supply Company, State Grid Inner Mongolia Eastern Power Co., Ltd., Ulanhot 137400, China;2. State Grid Inner Mongolia Eastern Power Co., Ltd., Hohhot 010000, China;3. School of Materials Science and Engineering, Shaanxi University of Science and Technology, Xi’an 710021, China

Received date: 2022-07-13

  Revised date: 2022-08-16

  Accepted date: 2022-09-07

  Online published: 2023-07-25

摘要

针对石墨烯纳米级厚度对基底保护耐久性不足的问题,通过热处理方法研究了镍基表面石墨烯膜破损后再次生长的自修复工艺。通过结构与形貌的表征表明,在热处理温度为700℃、保温时间5 min条件下,石墨烯可以再次生长,修复破损表面。摩擦实验测试结果显示,再生长的石墨烯薄膜其摩擦系数为0.05,较原始镍表面的降低了50%。同时探索了其再生长的机理,清晰阐述了石墨烯再生长的驱动力。研究成果可为石墨烯自修复领域提供实验基础和理论解释。

本文引用格式

吕通发, 曹 阳, 何永春, 吕 超, 鲁继超, 于世奇, 吴 涛, 牟 鑫, 强 豪, 叶晓慧 . 镍基表面石墨烯自修复生长及摩擦性能研究[J]. 材料保护, 2023 , 56(1) : 88 -93 . DOI: 10.16577/j.issn.1001-1560.2023.0014

Abstract

To solve the problem of insufficient durability of graphene film with nano-scale thickness in substrate protection, the self-healing process referring to the re-growth of graphene film after damage on a nickel-based surface was studied by heat treatment method. The characterization of microstructure and morphology showed that the graphene could grow again and repair the damaged surface under the conditions of a heat treatment temperature of 700 ℃and a holding time of 5 min. The results of friction test showed that the friction coefficient of the regrown graphene film was 0.05, which was 50%lower than that of the original nickel surface. Meantime, the mechanism of graphene regrowth was explored, and the driving force of graphene regrowth was described clearly. Generally, this research achievements provided experimental basis and theoretical explanation for graphene self-healing field.

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