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Device for forming nanocrystal-amorphous composite layer on pure titanium surface and preparation method of nanocrystal-amorphous composite layer on pure titanium surface

A nanocrystalline and composite layer technology, which is applied in the field of devices and preparations for obtaining nanocrystalline-amorphous composite layers on the surface of pure titanium, can solve the problems of high experimental conditions and high energy consumption, and achieve controllable process parameters Strong performance, low energy consumption and easy operation

Active Publication Date: 2018-08-17
SHANDONG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] Aiming at the problems in the prior art that there are many working steps, high requirements on experimental conditions, and high energy consumption, the present invention aims to provide a device for obtaining a nanocrystalline-amorphous composite strengthening layer on the surface of pure titanium and its preparation method , the preparation method of the present invention has the advantages of simple operation, short processing time, strong controllability of process parameters, less energy consumption, no pollution, etc., and has important practical value and broad application prospects

Method used

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  • Device for forming nanocrystal-amorphous composite layer on pure titanium surface and preparation method of nanocrystal-amorphous composite layer on pure titanium surface
  • Device for forming nanocrystal-amorphous composite layer on pure titanium surface and preparation method of nanocrystal-amorphous composite layer on pure titanium surface
  • Device for forming nanocrystal-amorphous composite layer on pure titanium surface and preparation method of nanocrystal-amorphous composite layer on pure titanium surface

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Comparison scheme
Effect test

Embodiment 1

[0055] 1. A device for obtaining a nanocrystalline-amorphous composite layer on the surface of pure titanium, such as figure 1 As shown, the device includes: an ultrasonic vibrating module and a shot peening working module.

[0056] The ultrasonic vibration application module mainly includes: an ultrasonic generator 1 , an ultrasonic transducer 2 , and an ultrasonic horn 3 .

[0057] The shot peening working module mainly includes: ultrasonic tool head 4 , shot peening 5 , shot peening chamber 6 , workpiece table 11 , and workpiece fixing device (a) 8 .

[0058] The ultrasonic generator 1, ultrasonic transducer 2, and ultrasonic horn 3 are connected in sequence. The ultrasonic generator 1 transmits the current signal and transmits the signal to the ultrasonic transducer 2, and the ultrasonic transducer 2 converts the signal into mechanical vibration with the same frequency, and the ultrasonic horn 3 converts the mechanical vibration generated by the ultrasonic transducer 2 T...

Embodiment 2

[0069] 1. A device for obtaining a nanocrystalline-amorphous composite layer on the surface of pure titanium, as in Example 1.

[0070] 2, utilize the above-mentioned device of the present embodiment to obtain the method for nanocrystalline-amorphous composite layer on the pure titanium surface; Described method comprises the following steps:

[0071] 1) Preparation: Put the ceramic shot with a diameter of 2mm and a hardness of about 120-135HRC into the shot blasting chamber. Cold-rolled pure titanium (TA2, Fe 0.03 C 0.08 N 0.03 h 0.014 o 0.015 Ti bal )) is fixed on the upper surface of the workpiece fixture (a) 8, and the distance between the ultrasonic tool head 4 and the sample is adjusted to 7.5 mm; finally, the operating frequency and power of the ultrasonic generator 1 are adjusted so that the amplitude of the ultrasonic tool head 4 The adjustment is 32um, and the working time is set to 800s.

[0072] 2) After the preparatory work is completed, the ultrasonic gene...

Embodiment 3

[0076] 1. A device for obtaining a nanocrystalline-amorphous composite layer on the surface of pure titanium, as in Example 1.

[0077] 2, utilize the above-mentioned device of the present embodiment to obtain the method for nanocrystalline-amorphous composite layer on the pure titanium surface; Described method comprises the following steps:

[0078] 1) Preparation: Put stainless steel shot with a diameter of 3mm and a hardness of about 45-55HRC into the shot blasting chamber. The amount of stainless steel shot just covers the bottom of the shot blasting chamber, and then place a 7-large workpiece (size: 30mm×30mm×3mm) Cold-rolled pure titanium (TA2, Fe 0.03 C 0.08 N 0.03 h 0.014 o 0.015 Ti bal )) is fixed on the upper surface of the workpiece fixture (a) 8, and the distance between the ultrasonic tool head 4 and the sample is adjusted to 7.5 mm; finally, the operating frequency and power of the ultrasonic generator 1 are adjusted so that the amplitude of the ultrasonic ...

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Abstract

The invention relates to a device for forming a nanocrystal-amorphous composite layer on a pure titanium surface and a preparation method of the nanocrystal-amorphous composite layer on the pure titanium surface. The device comprises an ultrasonic vibration module and a shot blasting operation module. The ultrasonic vibration module mainly comprises an ultrasonic generator, an ultrasonic transducer and an ultrasonic amplitude transformer. The ultrasonic vibration module is mainly used for generating vibration with ultrasonic frequency. The shot blasting module mainly comprises an ultrasonic tool head, a shot blaster, a shot blasting chamber, a workpiece platform and workpiece fixing devices. The shot blaster is driven by the ultrasonic tool head to continuously hit against a workpiece to complete shot blasting treatment. The preparation method has the advantages of being easy and convenient to operate, short in treatment time, high in technological parameter controllability, little inenergy consumption, free of pollution and the like, and has crucial practical value and broad application prospects.

Description

technical field [0001] The invention relates to the technical field of surface modification of metal materials, in particular to a device for obtaining a nanocrystalline-amorphous composite layer on the surface of pure titanium and a preparation method thereof. Background technique [0002] In recent years, nanocrystalline materials and amorphous materials have attracted the research interest of scholars from various countries because of their unique and excellent properties compared with traditional materials, and are considered to be promising new materials. However, in actual production, the preparation process of bulk nanocrystalline or amorphous materials is complicated and difficult to control, so the application of nanocrystalline or amorphous materials is mostly limited to materials with low latitude shapes such as thin strips, filaments and powders. As we all know, the failure of materials generally starts from its surface, so the overall performance of materials ca...

Claims

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Application Information

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IPC IPC(8): C21D7/06C22F1/18
CPCC21D7/06C21D2201/03C22F1/183
Inventor 管延锦朱立华翟继强解振东林军
Owner SHANDONG UNIV
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