Friction control method of magnetic micro-nano texture surface and device

A technology of micro-nano texture and control method, which is applied in the direction of measuring device, mechanical device, test sample preparation, etc., can solve problems such as friction and wear, friction adhesion, microstructure adhesion, etc., to reduce internal stress, Controllable composition, inhibiting the effect of expansion and spread

Inactive Publication Date: 2012-08-15
CHINA UNIV OF MINING & TECH
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  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a friction control method and device for a magnetic micro-nano textured surface to solve the problems of friction and wear under magnetic field conditions, microstructure adhesion and friction adhesion under external field control

Method used

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  • Friction control method of magnetic micro-nano texture surface and device
  • Friction control method of magnetic micro-nano texture surface and device
  • Friction control method of magnetic micro-nano texture surface and device

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Embodiment 1

[0024] Embodiment 1: the concrete steps of friction control method are:

[0025] 1. Preparation of a surface with micro-nano texture: combined use of laser lithography and electrochemical deposition. First, implement laser lithography on the sample, spin-coat the photoresist on the surface of the substrate material, spin-coat with a homogenizer, and then dry it at 70-110°C for 20 minutes; adjust the average power of the laser within the setting range At 5~100mW, make the laser form interference fringes on the surface of the sample; turn off the pulse laser system, take out the sample, and dry it at 80~100°C for 20min; finally put the sample into the developer, when the exposed part on the photoresist is exposed After the developer solution is dissolved, take out the sample, rinse the developer solution with deionized water, and dry it naturally; after the completion, electrochemical deposition is performed on the sample; electrochemical deposition parameters: forward and rever...

Embodiment 2

[0034] Embodiment 2: or the magnetization treatment is real-time regulation and control of the magnetic field strength method: the DC power supply, the coil and the friction and wear testing machine are connected sequentially, the coil is wound on the friction and wear testing machine, the sample is placed in the coil, and an adjustable voltage is applied to make the The magnetic field strength generated by the coil is controlled at 2.25×10 4 ~4.5×10 4 A / m; adopt the working mode of pin-disk wear, set the speed at 50~300r / min, time 10~30min, and apply a load of 0.1~50N. When the pin-disc is working, keep the coil energized to control the magnetic field strength generated by the coil at 2.25 ×10 4 ~4.5×10 4 A / m; The experimental test of friction and wear is carried out on the sample, and the experimental results are obtained after the experiment is completed.

[0035] The control device includes: sample, pin 3, load 4, friction and wear testing machine 5 and coil 8; the samp...

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Abstract

The invention relates to a friction control method of magnetic micro-nano texture surface and a device, and belongs to the field of surface texture frictional wear control. The friction control method comprises the following steps of: firstly, preparing a surface with the micro-nano texture: implementing laser photoetching on a sample and carrying out electrochemical deposition on the sample after finishing the laser photoetching so as to prepare a regular plating layer with the micro-nano texture, wherein the laser power parameter is arranged in the range of 5-100 mW, the electrochemical deposition parameter is that the forward and reverse impulse working time is 5 ms-1 s, the frequency is 0-200 Hz, the current density is 10-50 mA/cm<2>, the keeping plating solution temperature is 30 DEG C-60 DEG C, the ph value is 3-5, and the stirring rate is 30-90r/min; secondly, carrying out magnetization treatment: carrying out magnetization treatment on the sample, wherein the magnetic field intensity is 2.25*104-4.5*104A/m; and thirdly, carrying out a frictional wear test: fixing the sample on a friction wear testing machine so as to applying a magnetic field to the sample for magnetization, and meanwhile, starting the friction wear testing machine for the frictional wear test, thus obtaining a friction factor. The friction control method and the device provided by the invention have the advantages that the structure and constituent of the composite plating layer are controllable, the device can carry out real-time regulation and control on the magnetic field intensity, and the application range is wide.

Description

technical field [0001] The invention relates to a surface structure friction and wear control method and device thereof, in particular to a friction control method and device for a magnetic micro-nano textured surface. Background technique [0002] With the development of science and technology and human society, the service conditions of tribological materials are becoming more and more extreme and complex, which puts forward higher and higher requirements for the wear resistance and friction reduction of materials; similarly, in some cases Even increased friction is required. On the basis of traditional tribological materials, through the research and development of surface engineering technology, surface friction control provides an effective and vital solution and way to optimize the tribological performance of mechanical systems and solve material wear. [0003] In the field of microcosm, the rapid development of microsystems has also resulted in a large number of micr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N19/02G01N1/28
Inventor 杨海峰刘磊郝敬斌朱华
Owner CHINA UNIV OF MINING & TECH
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