钛合金界面上 PNIPAM-氧化石墨烯纳米复合材料的可控摩擦学行为

IF 5.3 1区工程技术 Q1 ENGINEERING, MECHANICAL

Wear Pub Date : 2024-07-27 DOI:10.1016/j.wear.2024.205521

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引用次数: 0

摘要

为了提高钛合金切削工具的抗磨损性能，本研究开发了对温度敏感的聚（N-异丙基丙烯酰胺）（PNIPAM）-氧化石墨烯（GO）纳米复合材料。研究了使用 PNIPAM-GO 纳米复合材料润滑的钛合金/硬质合金接触的摩擦学特性。结果表明，PNIPAM-GO 纳米复合材料具有稳定的分散性和可控的润滑性能。随着纳米复合材料中 GO 含量的增加，钛合金的磨损降低，粘附性能得到改善。摩擦学性能的提高归功于纳米复合材料中可控的 GO 片释放和三层保护膜的形成。在纳米复合材料的润滑下，钛合金/硬质合金接触摩擦和磨损的减少主要归功于机械混合子机制。

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Controllable tribological behavior of PNIPAM-graphene oxide nanocomposites at titanium alloy interface

In order to improve antiwear properties of the cutting tool for titanium alloy, the temperature-sensitive poly(N-isopropylacrylamide) (PNIPAM)-graphene oxide (GO) nanocomposites were developed in this work. The tribological properties of the titanium alloy/cemented carbide contact lubricated with the PNIPAM-GO nanocomposites were investigated. The results show that the PNIPAM-GO nanocomposites have stable dispersive and controllable lubricating performance. The wear of the titanium alloy decreased and the adhesive behavior was improved with the increase of GO in the nanocomposites. The tribological performances are attributed to both the controllable release of GO sheets from the nanocomposites and the formation of a protective tribofilm. A mechanical mixing submechanism counts for the decrease of friction and wear of titanium alloy/cemented carbide contact lubricated by the nanocomposites.

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来源期刊

Wear 工程技术-材料科学：综合

CiteScore

8.80

自引率

8.00%

发文量

280

审稿时长

47 days

期刊介绍： Wear journal is dedicated to the advancement of basic and applied knowledge concerning the nature of wear of materials. Broadly, topics of interest range from development of fundamental understanding of the mechanisms of wear to innovative solutions to practical engineering problems. Authors of experimental studies are expected to comment on the repeatability of the data, and whenever possible, conduct multiple measurements under similar testing conditions. Further, Wear embraces the highest standards of professional ethics, and the detection of matching content, either in written or graphical form, from other publications by the current authors or by others, may result in rejection.