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Preparation method of corrosion-resistant aluminum alloy automobile hub

A technology for corrosion-resistant aluminum alloys and automobile wheels, which is applied in the direction of anti-corrosion coatings, coatings, epoxy resin coatings, etc., can solve the problems of poor corrosion resistance and easy rust of aluminum alloy wheels, and achieve high mechanical strength and improved Applicability, the effect of overcoming poor durability

Inactive Publication Date: 2018-11-13
宁波展欣汽车科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the aluminum alloy wheel hub has poor corrosion resistance, and it is easy to rust after being exposed to wind and rain for a long time

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] A method for preparing a corrosion-resistant aluminum alloy automobile wheel provided in this embodiment, a method for preparing a corrosion-resistant aluminum alloy automobile wheel, comprises the following steps:

[0016] A, batching, described aluminum alloy automobile hub comprises 95 parts of aluminum, 1 part of magnesium, 0.2 part of chromium, 0.5 part of zinc, 0.05 part of tin, 0.5 part of iron, 1 part of corrosion-resistant nano powder by weight, wherein the corrosion-resistant The nano powder includes 60 parts of silicon tetrafluoride, 10 parts of silicon dioxide, 5 parts of strontium carbonate, and 1 part of rare earth powder by weight;

[0017] B. Preparation of corrosion-resistant nano-powder, grind 60 parts of silicon tetrafluoride, 10 parts of silicon dioxide, 5 parts of strontium carbonate, and 1 part of rare earth powder by weight, and heat it at 600-650 ° C for 2 hours to obtain it;

[0018] C, high-temperature smelting, after mixing 95 parts of aluminu...

Embodiment 2

[0025] The preparation method of a corrosion-resistant aluminum alloy automobile wheel hub provided in this example is generally the same as in Example 1, and the main difference is that the aluminum alloy automobile hub includes 97 parts by weight of aluminum, 1.5 parts of magnesium, 0.5 1 part of chromium, 0.8 part of zinc, 0.1 part of tin, 0.8 part of iron, 2 parts of corrosion-resistant nano-powder, wherein said corrosion-resistant nano-powder comprises 80 parts of silicon tetrafluoride, 15 parts of silicon dioxide, 10 parts of strontium carbonate by weight , 5 parts of rare earth powder.

[0026] After testing, the corrosion-resistant aluminum alloy automobile wheel hub obtained in this embodiment has excellent mechanical strength and excellent corrosion resistance.

Embodiment 3

[0028] The preparation method of a kind of anti-corrosion aluminum alloy automobile hub that this embodiment provides, its general proportion is the same as that of embodiment 1, and its main difference is that described paint material comprises polytetrafluoroethylene resin 30 parts by weight, graphene 20 parts by weight. 5 parts, 5 parts of catalyst, 25 parts of epoxy resin, 10 parts of polyurethane, 1 part of anti-wear agent, 2 parts of leveling agent, 1 part of defoamer, 70 parts of solvent, wherein the catalyst is four parts of Y, Cr, W, Ti Elementary oxide, the molar ratio of above-mentioned elements is Y:Cr:W:Ti=1:1:2:1, and described wear-resisting agent comprises 60 parts of silicon oxides, 15 parts of carbon blacks, 10 parts of kaolin and 10 parts by weight. parts of molybdenum oxide.

[0029] After testing, the corrosion-resistant aluminum alloy automobile wheel hub obtained in this embodiment has excellent mechanical strength and excellent corrosion resistance.

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Abstract

The invention discloses a corrosion-resistant aluminum alloy automobile hub. The corrosion-resistant aluminum alloy automobile hub comprises the following components, by weight, 95-97 parts of aluminum, 1-1.5 parts of magnesium, 0.2-0.5 part of chromium, 0.5-0.8 part of zinc, 0.05-0.1 part of tin, 0.5-0.8 parts of iron and 1-2 parts of corrosion-resistant nano powder, wherein the corrosion-resistant nano powder comprises the following components of, by weight, 60-80 parts of silicon tetrafluoride, 10-15 parts of silicon dioxide, 5-10 parts of strontium carbonate and 1-5 parts of rare earth powder. The invention provides a preparation method of the corrosion-resistant aluminum alloy automobile hub. The aluminum alloy automobile hub prepared by the method is high in mechanical strength, thedefect that the durability of an aluminum alloy hub in the prior art is poor is effectively overcome, meanwhile, the corrosion resistance is also considered, and then the applicability of the aluminumalloy hub is improved.

Description

technical field [0001] The invention relates to an automobile wheel hub, in particular to a preparation method of a corrosion-resistant aluminum alloy automobile wheel hub. Background technique [0002] Common car wheels include steel wheels and aluminum alloy wheels. Aluminum alloy wheels have the following advantages: beautiful and generous; light and fuel-efficient; high expansion rate, good elasticity; good thermal conductivity; good roundness, not easy to deform, suitable for high-speed driving; Absorbs vibration and noise during movement. However, the aluminum alloy wheel hub has poor corrosion resistance, and it is easy to rust after being exposed to wind and rain for a long time. Therefore need to study a kind of preparation method of corrosion-resistant aluminum alloy automobile hub. Contents of the invention [0003] The object of the present invention is to provide a method for preparing a corrosion-resistant aluminum alloy automobile wheel hub in order to so...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C1/10C22C1/06B22D17/00B22F5/10C22C21/08C09D127/18C09D163/00C09D5/08C09D7/61
CPCB22D17/00B22F5/10C08K2003/2255C08K2201/014C09D5/08C09D127/18C09D163/00C22C1/06C22C1/1036C22C21/08C09D7/61C08L63/00C08K13/02C08K3/04C08K3/36C08K3/346C08K3/22C08L27/18
Inventor 魏连奎
Owner 宁波展欣汽车科技发展有限公司
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