A multi-probe friction and wear test and in-situ shape detection system under vacuum

A friction and wear, detection system technology, applied in the direction of testing wear resistance, etc., can solve the problems of sample leakage, deviation of test results, unfavorable scientific analysis of experimental results, etc., to increase internal space, save adjustment and calibration time, The effect of convenient optical path adjustment

Active Publication Date: 2018-01-16
SOUTHWEST JIAOTONG UNIV
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Problems solved by technology

In the process of changing the needle tip, it is inevitable that the sample will be exposed to the air, and the uncertain factors brought about by the complex surrounding environment (including oxidation, electrochemical action, surface pollution, etc.) will make the test result deviate from the real one, which is not conducive to the experiment. Scientific Analysis of Results

Method used

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  • A multi-probe friction and wear test and in-situ shape detection system under vacuum
  • A multi-probe friction and wear test and in-situ shape detection system under vacuum
  • A multi-probe friction and wear test and in-situ shape detection system under vacuum

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specific Embodiment approach

[0030] Such as Figure 1-8 Shown, a kind of specific embodiment of the present invention is:

[0031] A multi-probe in-situ friction and wear test and in-situ shape detection system under vacuum, including a main body and an external manual drive device 9; the main body includes a cavity upper cover 1, and a light window top cover installed on the cavity upper cover 1 2 and the multi-probe assembly inside the upper cover 1 of the installation cavity; a vacuum flange 10 for ensuring dynamic connection sealing is provided between the main body and the external manual drive device 9 .

[0032] The multi-probe assembly includes a plurality of probes 12, preferably the number of probes 12 is 2-3, a moving plate 4 for carrying the probes 12 and carrying them to switch positions in situ, and a transition point connected to one side of the moving plate 4. Plate 5, a guide rail 6 used to ensure the stability of the in-situ switching positioning movement of the needle point, and a conn...

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Abstract

The invention discloses a multi-probe friction and wear test and in-situ shape detection system under vacuum, which includes a main body and an external manual drive device; The multi-probe assembly inside the top cover of the light window and the top cover of the installation cavity; it can realize the switching of SPM needle tips with different functions under high vacuum, so that tribological testing and in-situ morphology detection can be carried out successively under high vacuum environment Complete, and the in-situ positioning accuracy is high. Since there is no need to open the cavity when changing the needle tip, it ensures that the experimental sample is not disturbed by external factors, making the experimental results more authentic; not only that, but also saves the time for equipment adjustment and calibration in the early stage of the experiment, and improves the experimental efficiency.

Description

technical field [0001] The invention relates to a multi-probe tribology test and in-situ shape detection system under vacuum. Background technique [0002] Friction is a common physical phenomenon in the material world, and it is closely related to human life and production. Friction, wear and lubrication are the sciences and techniques that study the behavior of two surfaces in contact with each other and in relative motion. All equipment moving parts involve friction, wear and lubrication. The research on friction and wear phenomena has a long history and is still in the ascendant. With the development of science and technology, the study of tribology has penetrated into the microscopic world; and the friction and wear in the microscopic field is more conducive to revealing the origin of friction from the molecular and atomic levels. Most of these studies rely on the corresponding experimental equipment or instruments. [0003] With the development of science and techn...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N3/56
Inventor 余丙军张超杰钱林茂陈磊高健金晨宁
Owner SOUTHWEST JIAOTONG UNIV
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