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Coating and manufacturing method for aluminum alloy wheel hub, and method for compounding the coating on the wheel hub

A technology of aluminum alloy wheel hub and aluminum alloy powder, which is applied in metal processing equipment, transportation and packaging, etc., can solve the problems of universality of pollution technology, inappropriate recovery or improvement of surface size and performance, and achieve improved wear resistance and Hardness, uniform and dense composition, and enhanced bonding strength

Active Publication Date: 2021-07-09
JIANGSU UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this method has the following disadvantages: First, this method is only suitable for the production of equipment and parts, and is not suitable for the recovery or improvement of the surface size and performance of equipment and parts of failed parts; secondly, the coating and substrate The spatial location puts forward higher requirements for the mold, casting process, and parts design; in addition, this method achieves high efficiency while improving the quality of strengthening, but it is urgent to solve problems such as pollution and technical versatility

Method used

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  • Coating and manufacturing method for aluminum alloy wheel hub, and method for compounding the coating on the wheel hub

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] The coating materials include the following materials: 21% Al-Cu-Ag-Zn powder, 30% Ni-SiC powder, 45% A356 aluminum alloy powder and 4% organic binder. Among them, the organic binder includes the following raw materials: 30.1% tetraethyl orthosilicate, 28.2% methyltriethoxysilane, 6.5% dimethyldiethoxysilane, 5.3% maleic anhydride, 5.0% di Ethylaminopropylamine, 0.8% m-phenylenediamine, 8.8% talc, 9.7% acrylate rubber, 4.4% diethylenetriamine, 1.2% butane tetracarboxylic anhydride.

[0024] The preparation method of coating comprises the steps:

[0025] (1) Take Al-Cu-Ag-Zn powder, Ni-SiC powder and A356 aluminum alloy powder by mass percentage, and mix them;

[0026] (2) Put the mixture into an automatic stirring equipment container, and add an organic binder, then close the container, and stir to obtain a uniform mixture;

[0027] (3) Roll the mixed metal powder particles obtained in step (2) on the automatic roll equipment. First, adjust the distance between the ro...

Embodiment 2

[0037] The coating raw materials include the following raw materials: 23% A-Cu-A-Zn powder, 65% Ni-SiC powder, 10% A356 aluminum alloy powder and 2% organic binder. Wherein, organic binder raw material is identical with embodiment 1.

[0038] The preparation method of coating comprises the steps:

[0039] (1) Take Al-Cu-Ag-Zn powder, Ni-SiC powder and A356 aluminum alloy powder by mass percentage, and mix them;

[0040] (2) Put the mixture into an automatic stirring equipment container, and add an organic binder, then close the container, and stir to obtain a uniform mixture;

[0041] (3) Roll the mixed metal powder particles obtained in step (2) on the automatic roll equipment. First, adjust the distance between the roll and the workbench, control the thickness of the bonding cloth at about 3.0-5.0 mm, and perform preliminary roll forming for 20 minutes. ;

[0042] (4) Roll the adhesive cloth again, adjust the distance between the roller and the workbench again, control th...

Embodiment 3

[0051] Coating raw materials include the following raw materials: 22% A-Cu-Ag powder, 45% Ni-SiC powder, 30% A356 aluminum alloy powder and 3% organic binder. Wherein, organic binder raw material is identical with embodiment 1.

[0052] The preparation method of coating comprises the steps:

[0053] (1) Take Al-Cu-Ag-Zn powder, Ni-SiC powder and A356 aluminum alloy powder by mass percentage, and mix them;

[0054] (2) Put the mixture into an automatic stirring equipment container, and add a silicone resin binder, then close the container, and stir to obtain a uniform mixture;

[0055] (3) Roll the mixed metal powder particles obtained in step (2) on the automatic roll equipment. First, adjust the distance between the roll and the workbench, control the thickness of the bonding cloth at about 3.0-5.0 mm, and perform preliminary roll forming for 15 minutes. ;

[0056] (4) Roll the adhesive cloth again, adjust the distance between the roller and the workbench again, control th...

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Abstract

The invention discloses a coating and a manufacturing method for an aluminum alloy wheel hub, and a method for compounding the coating on the wheel hub, including Al-Cu-Ag-Zn powder, aluminum alloy powder, Ni-SiC powder and organic Binder; the preparation method is to mix Al-Cu-Ag-Zn powder, aluminum alloy powder and Ni-SiC powder, add an organic binder to mix, and then repeatedly roll to obtain a coating; when compounding, it is The coating is attached to the surface of the pretreated hub, and the brazing reaction is carried out. The coating of the present invention is a flexible fibrous metal material, not only has uniform and dense composition, but also the metal fibers in the coating form a criss-cross three-dimensional spider web structure, and the preparation method is simple, safe and environmentally friendly; at the same time, it is compatible with aluminum alloy wheels Composite, excellent forming effect, high bonding strength, can effectively improve the wear resistance and hardness of the hub surface.

Description

technical field [0001] The invention belongs to the field of composite materials, and in particular relates to a coating and a manufacturing method for an aluminum alloy wheel hub, and a method for compounding the coating on the wheel hub. Background technique [0002] Common car wheels include steel wheels and aluminum alloy wheels. Steel wheels have high strength and are often used in large trucks. They are heavy and have a single shape. They do not conform to the current low-carbon and fashionable concepts, and are gradually being replaced by aluminum alloy wheels. Aluminum alloy wheels have the advantages of elegant appearance, light weight and fuel saving, high expansion rate, good elasticity, fast heat dissipation, etc., and they have good rigidity, good roundness, not easy to deform, and the wear of each part of the car is small, suitable for high-speed driving. The durability of the hub is slightly poor. Once it is deformed after encountering a hard object, it is di...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22F1/00B22F3/18B22F7/08
CPCB22F3/18B22F7/08B22F1/103B22F1/10
Inventor 许祥平朱嘉伟邹家生王怡
Owner JIANGSU UNIV OF SCI & TECH
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