Method for carrying out thermoelectric chemical oxidation on surface of titanium alloy and electrolyte

A thermoelectrochemical, titanium alloy technology, applied in surface reaction electrolytic coatings, electrolytic coatings, electrolytic processes, etc., can solve problems such as lack of biological activity

Pending Publication Date: 2021-05-18
SIBERIAN MOTOR TECH SUZHOU CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, titanium alloys still have limitations, namely the lack of good biological activity

Method used

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  • Method for carrying out thermoelectric chemical oxidation on surface of titanium alloy and electrolyte
  • Method for carrying out thermoelectric chemical oxidation on surface of titanium alloy and electrolyte
  • Method for carrying out thermoelectric chemical oxidation on surface of titanium alloy and electrolyte

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Embodiment 1

[0037]A method of thermoelectrochemically oxidation on the surface of a titanium alloy surface, and a biochemical oxidation of titanium alloys has a bio-coating having a selenium-containing bio-coating in situ, wherein the electrochemically oxidized electrolyte comprises: Na2SEO3, Glycerin, KOH, NA3PO4NA2SiO3, H2O2And deionized water, thermoelectric chemical oxidation of power supply is a DC pulse power supply, the voltage of the flow pulse power supply is 200V-350V, the frequency is 50 Hz, the current density is 0.1A / DM2-0.4a / dm2The duty cycle is 30%.

[0038]All components of the electrolyte, NA2SEO3The concentration of 1.6 mg / L, the concentration of glycerol was 2 g / L, and the concentration of KOH was 4g / L, NA3PO4The concentration is 4.5g / L, NA2SiO3The concentration is 9 g / l, h2O2The concentration is 6 g / l. The titanium alloy is a low modulus beta titanium alloy, and the osteogenic activity of low modulus β titanium alloy is good. The low modulus titanium alloy is Ti...

Embodiment 2

[0046]An electrolyte of thermoelectrochemically oxidation of titanium alloy surfaces, including: NA2SEO3, Glycerin, KOH, NA3PO4NA2SiO3, H2O2And deionized water, for the use of thermoelectric oxidation of titanium alloys to grown in the titanium alloy surface in situ having selenium-oriented biocarbon, using the electrolyte to thermoelectrochemically oxidize the titanium alloy, its power supply is 200V-350V, Frequency 50 Hz, current density is 0.1A / DM2-0.4a / dm2, Duty cycle is 30% DC pulse power supply.

[0047]All components of the electrolyte, NA2SEO3The concentration of 1.7 mg / L, the concentration of glycerol was 2.5 g / L, and the concentration of KOH was 4g / L, NA3PO4The concentration is 4.5g / L, NA2SiO3The concentration is 9.2g / L, h2O2The concentration was 6.5 g / L. The titanium alloy is a low modulus beta titanium alloy, and the osteogenic activity of low modulus β titanium alloy is good. The low modulus titanium alloy is Ti-35NB-7ZR-5TA.

[0048]When the thermoelectric ch...

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Abstract

The invention provides a method for carrying out thermoelectric chemical oxidation on surface of a titanium alloy and an electrolyte. The surface of the titanium alloy is provided with a selenium-containing biological coating, so that osteogenesis and oxidation resistance are improved, and the adhesiveness of bioactive elements is high. The method for carrying out thermoelectric chemical oxidation on the surface of the titanium alloy mainly comprises the steps that the selenium-containing biological coating grows on the surface of the titanium alloy in situ through thermoelectric chemical oxidation of the titanium alloy, wherein an electrolyte of the thermoelectric chemical oxidation comprises Na2SeO3, glycerin, KOH, Na3PO4, Na2SiO3, H2O2 and deionized water, a power source of the thermoelectric chemical oxidation is a direct-current pulse power supply, the voltage of the direct-current pulse power supply is 300V-500V, the frequency of the direct-current pulse power supply is 40Hz-60Hz, the current density of the direct-current pulse power supply is 0.08 A/dm<2>-0.6 A/dm<2>, and the duty ratio of the direct-current pulse power supply is 20%-40%.

Description

Technical field[0001]The present invention relates to the field of thermoelectrochemical oxidation, and in particular, the present invention relates to a method of thermoelectrochemically oxidation of a titanium alloy surface and an electrolyte.Background technique[0002]In recent years, the titanium and titanium alloy in the medical field have been widely used as the implant.[0003]However, titanium alloys still have limitations, that is, lack of good biological activity.[0004]In view of this, the present invention provides a method of thermoelectrochemically oxidation surface of a titanium alloy surface such that the titanium alloy surface has a bio-coating containing selenium, increases osteogenicity and oxidation resistance, and the adhesive of bioactive elements. high.Inventive content[0005]It is an object of the present invention to provide a method of thermoelectrochemically oxidation on the surface of a titanium alloy surface such that the titanium alloy surface has a bio-coat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25D11/26C22C14/00C25D21/18C25D21/02C25D21/12
CPCC25D11/26C22C14/00C25D21/18C25D21/02C25D21/12
Inventor 梅雁俊雷厉李文浩李昊旻
Owner SIBERIAN MOTOR TECH SUZHOU CO LTD
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