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

A kind of magnesium alloy hub surface treatment process

A treatment process and technology for the surface of the wheel hub, applied in the direction of surface reaction electrolytic coating, coating, electrolytic coating, etc., can solve the problems of poor stability of electroless nickel plating solution, difficult maintenance and adjustment, unfavorable mass production, etc., and achieve excellent electrical conductivity. , light weight, increased density and wear resistance

Active Publication Date: 2020-12-11
山西银光华盛镁业股份有限公司
View PDF4 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the stability of the electroless nickel plating solution is poor, the maintenance and adjustment are difficult, the cost is high, and it is not conducive to mass production, and the coating is brittle and easy to break, which cannot meet the stringent requirements of the wheel hub.

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

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] The micro-arc oxidation electrolyte includes potassium hydroxide, sodium aluminate, sodium phosphate, potassium fluoride, and ammonium adipate additive, wherein the potassium hydroxide concentration is 10 g / L, the sodium aluminate concentration is 5 g / L, The concentration of sodium phosphate is 10g / L, the concentration of potassium fluoride is 12g / L, and the concentration of ammonium adipate additive is 2ml / L;

[0037] Micro-arc layer conductivity treatment liquid, including: phytic acid, sodium tartrate, YG-10 additive, triethylamine, wherein, the concentration of phytic acid is 5g / L, the concentration of sodium tartrate is 7.5g / L, and the concentration of YG-10 additive is 15g / L, using triethylamine to adjust the pH value to 6.

[0038] The YG-10 additive includes: aniline, 2,2-bipyridine, and cerium oxide, wherein the concentration of aniline is 0.1 g / L, the concentration of 2,2-bipyridine is 0.1 g / L, and the concentration of cerium oxide is 0.01 g / L.

Embodiment 2

[0040] The micro-arc oxidation electrolyte includes potassium hydroxide, sodium aluminate, sodium phosphate, potassium fluoride, and ammonium adipate additives, wherein the concentration of potassium hydroxide is 5g / L, and the concentration of sodium aluminate is 3g / L, The concentration of sodium phosphate is 5g / L, the concentration of potassium fluoride is 10g / L, and the concentration of ammonium adipate additive is 1ml / L;

[0041] Micro-arc layer conductivity treatment solution, including: phytic acid, sodium tartrate, YG-10 additive, triethylamine, wherein the concentration of phytic acid is 3g / L, the concentration of sodium tartrate is 5g / L, and the concentration of YG-10 additive is 10g / L, using triethylamine to adjust the pH value to 6.

[0042] The YG-10 additive includes: aniline, 2,2-bipyridine, and cerium oxide, wherein the concentration of aniline is 0.1 g / L, the concentration of 2,2-bipyridine is 0.1 g / L, and the concentration of cerium oxide is 0.01 g / L.

Embodiment 3

[0044]The micro-arc oxidation electrolyte includes potassium hydroxide, sodium aluminate, sodium phosphate, potassium fluoride, and ammonium adipate additive, wherein the potassium hydroxide concentration is 15g / L, the sodium aluminate concentration is 8g / L, The concentration of sodium phosphate is 15g / L, the concentration of potassium fluoride is 15g / L, and the concentration of ammonium adipate additive is 1.5ml / L;

[0045] Micro-arc layer conductivity treatment solution, including: phytic acid, sodium tartrate, YG-10 additive, triethylamine, wherein the concentration of phytic acid is 8g / L, the concentration of sodium tartrate is 10g / L, and the concentration of YG-10 additive is 20g / L, using triethylamine to adjust the pH value to 6.

[0046] The YG-10 additive includes: aniline, 2,2-bipyridine, and cerium oxide, wherein the concentration of aniline is 0.1 g / L, the concentration of 2,2-bipyridine is 0.1 g / L, and the concentration of cerium oxide is 0.01 g / L.

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
concentrationaaaaaaaaaa
electrical resistanceaaaaaaaaaa
Login to View More

Abstract

The invention relates to a surface treatment process of a magnesium alloy hub. The surface treatment process comprises the following operation steps of degreasing, acid pickling, neutralizing, micro-arc oxidization, micro-arc layer electric conduction treatment and drying. After treatment of the process, a uniform electric conduction film layer can be generated on the surface of the micro-arc layer of the magnesium alloy hub, the electric conduction film layer is low in mass and good in flexibility, large-area film forming can be achieved, electric conductivity is excellent, the resistance ofthe magnesium alloy hub is reduced to 10 K ohm from 70 M ohm, and chemical corrosion resistance and wear resistance are achieved. A micro-arc oxidation electrolyte comprises potassium hydroxide, sodium aluminate, sodium phosphate, potassium fluoride and an additive. A micro-arc layer electric conduction treatment solution comprises phytic acid, sodium tartrate, a YG-10 additive and triethylamine.After treatment of the process, the requirements for high corrosion resistance and impact resistance of the hub can be met, meanwhile, good support is achieved for coating, electrophoresis, vacuum plating and other subsequent surface treatment processes, and the defects of the existing magnesium alloy forged hub surface treatment process are remedied.

Description

technical field [0001] The invention relates to a magnesium alloy wheel hub surface treatment process, which belongs to the technical field of metal material surface treatment. Background technique [0002] Magnesium alloy is an alloy composed of magnesium and other elements. Its characteristics are: low density, high specific strength, large specific elastic modulus, good heat dissipation, good shock absorption, greater impact load capacity than aluminum alloy, and good corrosion resistance of organic matter and alkali. Magnesium alloys are mainly used in the fields of aerospace, electronics and automobiles. In order to improve the anti-corrosion ability of magnesium alloy devices, beautify the appearance of products and meet the requirements of light absorption on the surface of some special devices, the surface of magnesium alloys needs to be treated. [0003] With the development trend of energy saving and emission reduction, the development of automobile lightweight ha...

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
Patent Type & Authority Patents(China)
IPC IPC(8): C25D11/16C25D11/06C25D11/24
CPCC25D11/06C25D11/16C25D11/24
Inventor 赵李斌周豪光赵韩欣崔凯
Owner 山西银光华盛镁业股份有限公司
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