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Micro-arc oxidation electrolyte, micro-arc oxidation film layer as well as preparation method and application of micro-arc oxidation film layer

A technology of micro-arc oxidation and electrolyte, which is used in surface reaction electrolytic coating, electrolytic coating, anodizing and other directions

Pending Publication Date: 2019-11-08
SHANDONG AGRI & ENG UNIV +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The inventors have found through research that it is difficult for the micro-arc oxidation film prepared by the micro-arc oxidation process in the prior art to have good bonding force with the substrate, good corrosion resistance, good biocompatibility, and good surface roughness at the same time.

Method used

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  • Micro-arc oxidation electrolyte, micro-arc oxidation film layer as well as preparation method and application of micro-arc oxidation film layer
  • Micro-arc oxidation electrolyte, micro-arc oxidation film layer as well as preparation method and application of micro-arc oxidation film layer
  • Micro-arc oxidation electrolyte, micro-arc oxidation film layer as well as preparation method and application of micro-arc oxidation film layer

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Embodiment Construction

[0058] It should be pointed out that the following detailed description is exemplary and intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0059] It should be noted that the terms used here are only used to describe specific implementations, and are not intended to limit exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combinations thereof.

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Abstract

The invention discloses a micro-arc oxidation electrolyte, a micro-arc oxidation film layer as well as a preparation method and application of the micro-arc oxidation film layer. The micro-arc oxidation electrolyte is composed of the following components of 5-15 g / L of NA5P3O10, 1-3 g / L of NaOH, 5-15 ml / L of C3H8O3 and an additive, wherein the additive is a mixture of at least two kinds of n-Hap,Na2WO4, NaF and a fluorotitanate, the fluorotitanate is potassium fluotitanate or ammonium hexafluorotitanate, and n-HAp is hydroxyapatite. The additive n-HAp participates in the micro-arc oxidation reaction and can obviously improve the performance of a coating, and the addition of n-HAp improves the bonding strength of the micro-arc oxidation coating and a base body, helps the self-healing of micropores in the coating and enhances the corrosion resistance of a sample.

Description

technical field [0001] The invention belongs to the technical field of magnesium alloy surface treatment, and in particular relates to a micro-arc oxidation electrolyte, a micro-arc oxidation film layer and a preparation method and application thereof. Background technique [0002] The information disclosed in this background section is only intended to increase the understanding of the general background of the present invention, and is not necessarily to be regarded as an acknowledgment or any form of suggestion that the information constitutes the prior art already known to those skilled in the art. [0003] In recent years, magnesium alloys have received extensive attention as biomedical degradable implant materials. Magnesium alloy density and Young's modulus (1.74-1.84g / cm 3 ,41-45GPa) are closer to natural bone tissue (1.8-2.1g / cm 3 ,15-25GPa), which can effectively alleviate the stress shielding effect. Magnesium is involved in almost all metabolic processes of th...

Claims

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Application Information

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IPC IPC(8): C25D11/30C22C23/04A61L27/04A61L27/32A61L31/02A61L31/08
CPCC25D11/026C25D11/30C22C23/04A61L27/047A61L27/32A61L31/022A61L31/086A61L2420/06A61L2420/02
Inventor 陈传忠陈阳于慧君
Owner SHANDONG AGRI & ENG UNIV
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