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Device and method for preparing texture-controllable gradient nanometer structure

A technology of nanostructure and ladder structure, applied in the field of gradient nanostructure materials, can solve the problems of complex equipment, complex process, cumbersome pretreatment, etc., and achieve the effect of simple equipment, low processing temperature and low cost

Active Publication Date: 2018-06-22
SHENYANG AEROSPACE UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this method has complex equipment, too cumbersome pretreatment, and cannot prepare gradient nanostructures with large depths.
[0007] From the above preparation methods of gradient nanomaterials, it can be seen that all kinds of methods have their own limitations, such as complex equipment, complex process, or only can process a single metal, etc. Among them, the depth and gradient controllability of gradient nanostructures are not good. particularly prominent

Method used

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  • Device and method for preparing texture-controllable gradient nanometer structure
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  • Device and method for preparing texture-controllable gradient nanometer structure

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] A device for preparing tissue-controllable gradient nanostructures, see the front plan view figure 1 , See the 3D view figure 2 ,among them, figure 2 The left view (a) is an exploded view, and the right view (b) is a three-dimensional view. The device is an assemblable variable cross-section stirring tool. The tool includes a blessing area, a shoulder 3 and two stirring needles with different diameters under the shoulder. The two stirring needles form a stepped structure. According to the diameter of the stirring needle, the smallest diameter The largest diameter is the first stirring needle and the second stirring needle. The diameter of the second stirring needle is twice the diameter of the first stirring needle. The sum of the length of the first stirring needle and the length of the second stirring needle is 2.7mm.

[0047] In the device for preparing tissue-controllable gradient nanostructures, the connection mode of the first stirring needle and the second stirrin...

Embodiment 2

[0060] A device for preparing tissue-controllable gradient nanostructures is the same as in Example 1.

[0061] A method for preparing a tissue-controllable gradient nanostructure, same as Example 1, except that in step 2, the assemblable variable cross-section stirring tool is inserted into the aluminum plate to be processed at a speed of 2500rad / min 4.

Embodiment 3

[0063] A device for preparing tissue-controllable gradient nanostructures is the same as in Example 1.

[0064] A method for preparing tissue-controllable gradient nanostructures is the same as Example 1, except that in step 2, the ultrasonic tool head 5 performs continuous ultrasound, and the parameters of the ultrasound are as follows: the frequency is 10 kHz.

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Abstract

The invention discloses a device and method for preparing a texture-controllable gradient nanometer structure, and belongs to the technical field of gradient nanometer structure materials. The devicecomprises a holding area, a shaft shoulder and a plurality of stirring needles with different diameters below the shaft shoulder. The multiple stirring needles form a gradient structure. The gradientnumber of the stirring needles is selected according to the machining need and is particularly 1 to 50. The method includes the steps that a to-be-machined plate, an ultrasonic tool bit and relevant devices for the device for preparing the texture-controllable gradient nanometer structure are arranged, ultrasound is started, and the device is punched into the to-be-machined plate at the rotary speed of 1500-4000 rad / min; the downward punching speed is 3-30 mm / min; when a spliced type variable-section stirring tool shaft shoulder touches the to-be-machined plate, downward punching is carried out by 0.1-15 mm; downward punching is stopped, and the device carries out horizontal repeated multi-pass machining. The device is simple and low in cost, and the prepared gradient nanometer structure is controllable and wide in application.

Description

Technical field [0001] The invention relates to the technical field of gradient nanostructure materials, in particular to a device and method for preparing a tissue-controllable gradient nanostructure. Background technique [0002] The properties of materials (such as strength, hardness, friction coefficient and fatigue life, etc.) affect the application range of the material, and the structure of the material directly affects the various properties of the material. In order to improve the performance of materials, various methods of surface modification of materials have been proposed worldwide, such as shot peening, ultrasonic shot peening, carburizing, laser shock, etc. The application of these technologies has greatly improved the application performance of materials and expanded the wide range of materials used. With the advancement and in-depth research of nanotechnology, the application of nanotechnology to surface modification of materials has become a new development di...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K20/12
CPCB23K20/1255B23K20/1275
Inventor 马琳姬书得温琦岳玉梅高双胜张占伟徐荣正
Owner SHENYANG AEROSPACE UNIVERSITY
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