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Super-hydrophobic metal/ceramic composite coating with antibacterial property and preparation method thereof

A ceramic composite, super-hydrophobic technology, applied in the field of medical materials, can solve the problems of surgical failure, titanium alloy does not have antibacterial ability, wound infection and other problems, and achieves the effect of mechanical performance guarantee, tight bonding and uniform transition.

Active Publication Date: 2020-08-14
新疆一和生物有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, during the operation, since titanium alloy itself does not have antibacterial ability, wound infection caused by bacteria or fungi carried on the surface of such materials is one of the important reasons leading to operation failure

Method used

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  • Super-hydrophobic metal/ceramic composite coating with antibacterial property and preparation method thereof
  • Super-hydrophobic metal/ceramic composite coating with antibacterial property and preparation method thereof
  • Super-hydrophobic metal/ceramic composite coating with antibacterial property and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] The specific operation steps are as follows:

[0040] The metal / ceramic dual-phase composite coating preparation process uses the dual-cathode plasma sputtering deposition method to form a metal / ceramic composite coating with a micro-nano composite structure on the surface of the Ti-6Al-4V alloy workpiece, wherein:

[0041] a. Double cathode plasma sputtering process parameters:

[0042]

[0043] b. Sputtering target: mixed Fe 2 O 3 -Al-Cr-Co-Ni-Cu target, composition ratio (mass fraction,%): 23.49% Fe 2 O 3 , 7.93% Al, 15.27% Cr, 17.33% Co, 17.33% Ni, 18.65% Cu;

[0044] c. The type of workpiece material: Ti-6Al-4V alloy.

[0045] figure 1 It is a bright-field TEM image and a selected area diffraction ring of a metal / ceramic dual-phase composite coating. The transmission electron microscope observation shows that the coating is composed of a metal phase with a grain size of 100-500nm and a spinel ceramic phase, and the two phases are closely combined and the ...

Embodiment 2

[0052] The specific operation steps are as follows:

[0053] The metal / ceramic dual-phase composite coating preparation process uses the dual-cathode plasma sputtering deposition method to form a metal / ceramic composite coating with a micro-nano composite structure on the surface of the Ti-6Al-4V alloy workpiece, wherein:

[0054] a. Double cathode plasma sputtering process parameters:

[0055]

[0056] b. Sputtering target: mixed Fe 2 o 3 -Al-Cr-Co-Ni-Cu target, composition ratio (mass fraction,%): 23.49% Fe 2 o 3 , 7.93% Al, 15.27% Cr, 17.33% Co, 17.33% Ni, 18.65% Cu; c. The type of workpiece material: Ti-6Al-4V alloy. The comprehensive performance of the obtained coating is slightly lower than that of Example 1.

Embodiment 3

[0058] The specific operation steps are as follows:

[0059] The metal / ceramic dual-phase composite coating preparation process uses the dual-cathode plasma sputtering deposition method to form a metal / ceramic composite coating with a micro-nano composite structure on the surface of the Ti-6Al-4V alloy workpiece, wherein:

[0060] a. Double cathode plasma sputtering process parameters:

[0061]

[0062] b. Sputtering target: mixed Fe 2 o 3 -Al-Cr-Co-Ni-Cu target, composition ratio (mass fraction,%): 23.49% Fe 2 o 3 , 7.93% Al, 15.27% Cr, 17.33% Co, 17.33% Ni, 18.65% Cu; c. The type of workpiece material: Ti-6Al-4V alloy. The comprehensive performance of the obtained coating is slightly lower than that of Example 1.

[0063] The invention adopts double-cathode plasma sputtering deposition technology as a means to prepare superhydrophobic metal / ceramic dual-phase composite coating with antibacterial performance on the surface of medical titanium alloy material. The coat...

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Abstract

The invention provides a super-hydrophobic metal / ceramic composite coating with the antibacterial property and a preparation method thereof. The preparation method of the super-hydrophobic metal / ceramic composite coating with the antibacterial property comprises the step: the metal / ceramic composite coating of a micro-nano composite structure is formed on the surface of a Ti-6Al-4V alloy workpiecethrough a double-cathode plasma sputtering deposition technology, wherein process parameters of double-cathode plasma sputtering deposition include that the voltage of a target material is 900-950 V,the voltage of a workpiece is 300-350 V, the space between electrodes is 8-10 mm, the working air pressure is 30-35 Pa, the deposition temperature is 650-800 DEG C, the deposition time is 3.0-3.5 h,a mixed Fe2O3-Al-Cr-Co-Ni-Cu target is adopted as the target material, and the mixed Fe2O3-Al-Cr-Co-Ni-Cu target is prepared from the components: 23.49% of Fe2O3, 7.93% of Al, 15.27% of Cr, 17.33% ofCo, 17.33% of Ni and 18.65% of Cu. According to the super-hydrophobic metal / ceramic composite coating, the surface appearance of the micro-nano composite structure can be formed, and the efficient bactericidal ability is achieved while the super-hydrophobic characteristic is achieved.

Description

technical field [0001] The invention belongs to the technical field of medical materials, and in particular relates to a superhydrophobic metal / ceramic composite coating with antibacterial properties and a preparation method thereof. Background technique [0002] Titanium alloy has become one of the most widely used medical metal materials because of its high specific strength, good chemical stability and good biocompatibility. However, during the operation, since the titanium alloy itself does not have antibacterial ability, wound infection caused by bacteria or fungi carried on the surface of such materials is one of the important reasons for the failure of the operation. Therefore, improving the antibacterial ability of the surface of materials during surgery is an important direction for the development of medical materials in the future. Among them, the preparation of high-hardness, wear-resistant, hydrophobic, and antibacterial coatings on the surface of medical titan...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C14/06C23C14/34
CPCC23C14/0688C23C14/3442
Inventor 潘智健徐江周跃常占华
Owner 新疆一和生物有限责任公司
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