Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Electroplating solution for directly electrodepositing iron on surface of magnesium alloy and electroplating process thereof

A magnesium alloy and electrodeposition technology, which is applied in the field of surface engineering and surface treatment, can solve the problems of depositing pure iron coating, etc., and achieve the effect of promoting deposition reaction, realizing coating morphology and good bonding force

Active Publication Date: 2020-10-30
JINAN UNIVERSITY
View PDF18 Cites 6 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The electroplating solution of the present invention can be directly electrodeposited on the surface of the magnesium alloy to obtain a pure iron coating, and realizes the controllable preparation of the coating morphology, grain size and thickness, etc., and the prepared pure iron coating is dense and uniform, and the iron coating Excellent bonding force with magnesium alloy; it solves the problem in the prior art that the pure iron coating cannot be directly deposited on the surface of magnesium alloy due to the chemical activity of magnesium alloy is very easy to dissolve in the electroplating solution, and can be used for industrial grade magnesium alloy Pre-plating treatment can also be used for surface protection of biomedical magnesium alloys

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Electroplating solution for directly electrodepositing iron on surface of magnesium alloy and electroplating process thereof
  • Electroplating solution for directly electrodepositing iron on surface of magnesium alloy and electroplating process thereof
  • Electroplating solution for directly electrodepositing iron on surface of magnesium alloy and electroplating process thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] The electroplating solution that can be used for direct electrodepositing iron on the surface of magnesium alloy of the present invention and electroplating process concrete operating steps thereof are as follows:

[0046] (1) ultrasonically clean the magnesium alloy to be plated in acetone solution for 8 minutes, and then rinse with deionized water;

[0047] (2) Use 25 at.% phosphoric acid aqueous solution to derust the substrate for 10 seconds, and then rinse with deionized water;

[0048] (3) Preparation of electroplating solution: mix ferrous sulfate 56g / L, sodium citrate 294g / L, sodium fluoride 10g / L, sodium lauryl sulfate 0.01g / L, and sodium pyrophosphate 0.1g / L. It can be prepared as a plating solution, the solvent is deionized water, and the pH is adjusted to 6-8 by ammonia water 20mL / L;

[0049] (4) Put the magnesium alloy of step (2) into the electroplating solution obtained in step (3) for electrodeposition (the anode is ruthenium titanium iridium), then cle...

Embodiment 2

[0051] The electroplating solution that can be used for direct electrodepositing iron on the surface of magnesium alloy of the present invention and electroplating process concrete operating steps thereof are as follows:

[0052] (1) ultrasonically clean the magnesium alloy to be plated in acetone solution for 8 minutes, and then rinse with deionized water;

[0053] (2) Use 25 at.% phosphoric acid aqueous solution to derust the substrate for 10 seconds, and then rinse with deionized water;

[0054] (3) Preparation of electroplating solution: mix ferrous sulfate 56g / L, sodium citrate 294g / L, sodium fluoride 10g / L, sodium lauryl sulfate 0.1g / L, and sodium pyrophosphate 30g / L Prepare a plating solution, the solvent is deionized water, adjust the pH to 6-8 with 20mL / L of ammonia water;

[0055] (4) Put the magnesium alloy of step (2) into the electroplating solution obtained in step (3) for electrodeposition (the anode is ruthenium titanium iridium), then clean and dry with deion...

Embodiment 3

[0060] The electroplating solution that can be used for direct electrodepositing iron on the surface of magnesium alloy of the present invention and electroplating process concrete operating steps thereof are as follows:

[0061] (1) ultrasonically clean the magnesium alloy to be plated in acetone solution for 8 minutes, and then rinse with deionized water;

[0062] (2) Use 25 at.% phosphoric acid aqueous solution to derust the substrate for 10 seconds, and then rinse with deionized water;

[0063] (3) Preparation of electroplating solution: mix ferrous sulfate 56g / L, sodium citrate 147g / L, sodium fluoride 10g / L, sodium lauryl sulfate 0.1g / L, and sodium pyrophosphate 20g / L Prepare a plating solution, the solvent is deionized water, adjust the pH to 6-8 with 20mL / L of ammonia water;

[0064] (4) Put the magnesium alloy of step (2) into the electroplating solution obtained in step (3) for electrodeposition (the anode is ruthenium titanium iridium), then clean and dry with deion...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
Average sizeaaaaaaaaaa
Average grain sizeaaaaaaaaaa
Average grain sizeaaaaaaaaaa
Login to View More

Abstract

The invention belongs to the technical field of surface engineering and surface treatment, and discloses an electroplating solution for directly electrodepositing iron on the surface of a magnesium alloy and an electroplating process thereof. The electroplating solution comprises the following components in concentration of 1-300 g / L of water soluble iron / ferrous salt, 1-1000 g / L of citric acid and / or citrate, 1-50 g / L of sodium fluoride, 0.01-200 g / L of a surfactant, 0.1-500 g / L of a co-complexing agent and 1-1000 mL / L of ammonia, and water is used as a solvent. The electroplating solution can be used for electrodepositing the iron on the surface of the magnesium alloy in a one-step method, and a prepared pure iron coating is compact, uniform, good in binding force, good in biocompatibility, degradable and stable in effect, can provide effective corrosion protection for a magnesium alloy matrix, and can also realize controllable preparation of coating morphology, grain size and thickness and the like. The electroplating solution and the electroplating process thereof have the advantages of low cost, simple operation and easiness in large-scale production.

Description

technical field [0001] The invention belongs to the technical field of surface engineering and surface treatment, in particular to an electroplating solution for direct electrodepositing iron on the surface of magnesium alloys and an electroplating process thereof. Background technique [0002] The density and mechanical properties of magnesium and magnesium alloys are close to those of human bones, and they have good biocompatibility and degradability. They have broad application prospects as human implant materials. However, the chemical properties of magnesium are extremely active, which determines that magnesium alloys are extremely prone to corrosion in complex physiological environments rich in chloride ions, so that they lose their integrity before the tissue is fully healed, thus limiting its application. Surface protection treatment can significantly improve the surface corrosion resistance while retaining the inherent properties of magnesium alloys, which has becom...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): C25D3/20
CPCC25D3/20
Inventor 李庆阳涂小慧李卫
Owner JINAN UNIVERSITY
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com