nbse 2 Research method of tribological properties of single crystal as solid lubricant for electrical contact

An electrical contact solid, tribological technology, applied in lubricating compositions, additives, scientific instruments, etc., can solve problems such as high requirements and low output, and achieve the effects of no equipment requirements, quick results, and simple methods

Active Publication Date: 2021-08-03
NORTHWEST UNIV
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Problems solved by technology

NbSe 2 Nanomaterials have good tribological properties, but the preparation method has high requirements on equipment and low output (Li Changsheng et al.

Method used

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  • nbse <sub>2</sub> Research method of tribological properties of single crystal as solid lubricant for electrical contact
  • nbse <sub>2</sub> Research method of tribological properties of single crystal as solid lubricant for electrical contact
  • nbse <sub>2</sub> Research method of tribological properties of single crystal as solid lubricant for electrical contact

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Embodiment Construction

[0059] In order to enable those skilled in the art to better understand the technical solution of the present invention, the technical solution of the present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0060] NbSe 2 A method for researching tribological properties of a single crystal as an electrical contact solid lubricant, comprising the following steps,

[0061] S1: Using NbSe 2 Single crystal preparation of NbSe 2 layer;

[0062] Specifically, the top-down mechanical exfoliation method was used to prepare NbSe 2 layer, specifically: take NbSe 2 Single wafer, peel off repeatedly with mechanical peeling tape, stick it on the cleaned copper surface, let it stand for 24 hours, tear off the tape, and get NbSe 2 layer.

[0063] S2: Research on NbSe 2 Layer surface features;

[0064] Specifically, the NbSe prepared by the top-down mechanical exfoliation method 2 The SEM image of the layer is attached figure...

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Abstract

The invention discloses a NbSe 2 A method for studying the tribological properties of a single crystal as a solid lubricant for electrical contact, including the following steps, S1: using NbSe 2 Single crystal preparation of NbSe 2 Layer; S2: Research on NbSe 2 The surface characteristics of the layer; S3: the NbSe 2 layer as a lubricating layer for reciprocating friction and wear experiments to study the NbSe 2 Layer tribological properties; S4: using different preparation methods, repeat steps S1, S2 and S3; S5: NbSe prepared by different preparation methods 2 The tribological properties of the layers were compared and analyzed. The research method in the present invention will NbSe 2 Single crystal is prepared into NbSe by non-preparation method 2 layer, conduct friction and wear experiments, and study NbSe through the study of tribological properties 2 Optimal use of single crystals directly as solid lubricants for electrical contacts, NbSe 2 The preparation method of the layer is simple, the cycle is short, no equipment is required, and the cost can be saved.

Description

technical field [0001] The present invention relates to NbSe 2 In the field of single crystal technology, especially NbSe 2 Tribological properties of single crystals as solid lubricants for electrical contacts. Background technique [0002] In recent years, friction and wear under special working conditions such as high temperature, low temperature, high vacuum, high load, and strong radiation have caused huge energy waste in industrial production. The correct use of lubricating materials to reduce mechanical failures related to friction and wear in mechanical motion systems under special working conditions has attracted people's attention. Recently, graphene and its related two-dimensional nanomaterials (such as transition metal sulfides) have become one of the hotspots in the field of material research in recent years due to their unique properties, especially ultra-thin thickness and unique two-dimensional planar structure. And it is widely used in catalysis, energy s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10M125/22G01N3/56G01N19/02G01N23/041G01N23/2005G01N23/20091G01N23/2055G01N23/2202G01N23/2251G01N23/2273C10N50/08C10N30/06
CPCC10M125/22C10M2201/043C10M2207/021G01N3/56G01N19/02G01N23/2005G01N23/20091G01N23/2055G01N23/2202G01N23/2251G01N23/2273G01N23/041
Inventor 吕晋军闻小琴丁志琴乔亚楠姚瑞清
Owner NORTHWEST UNIV
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