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

A method for manufacturing a high-toughness high-strength aluminum alloy wheel hub for automobiles

A technology of an aluminum alloy wheel hub and a manufacturing method, which is applied in the directions of wheel hubs, vehicle parts, transportation and packaging, etc., can solve the problems of difficulty in meeting the requirements of high toughness and high strength of aluminum alloy wheels, room temperature tensile strength, low toughness, etc. The microstructure is uniform in density, the grain refinement is increased, and the slag removal effect is good.

Active Publication Date: 2019-08-06
江苏创斯达科技有限公司
View PDF1 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Chinese patent CN 102366828 B discloses a low-pressure casting method for aluminum alloy automobile wheels, which optimizes the low-pressure casting process parameters and heat treatment by optimizing the alloy composition design and adding appropriate content of Al-Ti-B-C refiner and rare earth modifier Parameters, so that the prepared automobile hub has a structure composed of fine and uniform a dendrites and fine and uniform worm-like or spherical silicon, which improves the performance of the aluminum alloy automobile hub, but its room temperature tensile strength and toughness are still low. Difficult to meet market requirements for high toughness and high strength of automotive aluminum alloy wheels

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
  • A method for manufacturing a high-toughness high-strength aluminum alloy wheel hub for automobiles

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] A high-toughness and high-strength aluminum alloy wheel hub for automobiles, the mass percentages of the components in the aluminum alloy wheel hub are: Si: 4.2%, Mg: 1.35%, Mn: 0.53%, V: 0.34%, Ti: 0.61%, Zr: 0.08%, RE: 0.08%, and the balance is Al; the RE is composed of Yb, Pr, Nd, and Sc, and the mass ratio of Yb, Pr, Nd, and Sc is 1:0.5:0.5:1.

[0034] A method for manufacturing a high-toughness high-strength aluminum alloy wheel hub for automobiles, comprising the following steps:

[0035] (1) Melting: put each raw material into a vacuum melting furnace for smelting. During the smelting process, ensure that the temperature of the molten aluminum is 780°C, measure the content of each element in the molten aluminum, and adjust the content of each element to meet the formula requirements;

[0036] (2) Refining: quickly skim off the scum on the surface of the aluminum liquid with a slag scraper, spray the refining agent into the aluminum liquid with a jet machine and u...

Embodiment 2

[0043] A high-toughness and high-strength aluminum alloy wheel hub for automobiles, the mass percentages of the components in the aluminum alloy wheel hub are: Si: 3.8%, Mg: 1.63%, Mn: 0.62%, V: 0.46%, Ti: 0.52%, Zr: 0.11%, RE: 0.1%, and the balance is Al; the RE is composed of Yb, Pr, Nd, and Sc, and the mass ratio of Yb, Pr, Nd, and Sc is 1:0.3:0.6:0.8.

[0044] A method for manufacturing a high-toughness high-strength aluminum alloy wheel hub for automobiles, comprising the following steps:

[0045] (1) Smelting: put each raw material into a vacuum melting furnace for smelting. During the smelting process, ensure that the temperature of the molten aluminum is 770°C, measure the content of each element in the molten aluminum, and adjust the content of each element to meet the formula requirements;

[0046] (2) Refining: quickly skim off the scum on the surface of the aluminum liquid with a slag scraper, spray the refining agent into the aluminum liquid with a jet machine and...

Embodiment 3

[0053] A high-toughness and high-strength aluminum alloy wheel hub for automobiles, the mass percentages of the components in the aluminum alloy wheel hub are: Si: 4.8%, Mg: 1.5%, Mn: 0.62%, V: 0.41%, Ti: 0.7%, Zr: 0.05%, RE: 0.05%, and the balance is Al; the RE is composed of Yb, Pr, Nd, and Sc, and the mass ratio of Yb, Pr, Nd, and Sc is 1:0.6:0.8:1.

[0054] A method for manufacturing a high-toughness high-strength aluminum alloy wheel hub for automobiles, comprising the following steps:

[0055] (1) Melting: put each raw material into a vacuum melting furnace for smelting. During the smelting process, ensure that the temperature of the molten aluminum is 780°C, measure the content of each element in the molten aluminum, and adjust the content of each element to meet the formula requirements;

[0056] (2) Refining: quickly skim off the scum on the surface of the molten aluminum with a slag scraper, spray the refining agent into the molten aluminum with a jet machine and an ...

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

No PUM Login to View More

Abstract

The invention provides a high-toughness and high-strength aluminum alloy hub for an automobile and a manufacturing method thereof, and relates to the technical field of automobile hub manufacturing. The aluminum alloy hub is prepared from the following components in percentage by mass: 3.3-4.8% of Si, 1.2-1.7% of Mg, 0.45-0.7% of Mn, 0.2-0.6% of V, 0.35-0.7% of Ti, 0.05-0.13% of Zr, 0.05-0.12% ofRE, and the balance of Al; RE is composed of Yb, Pr, Nd and Sc with the mass ratio being 1:(0.2 to 0.6):(0.3 to 0.8):(0.6 to 1.2). The manufacturing method comprises the steps of smelting, refining, casting, solid solution treatment, deep cold treatment, aging treatment and the like. The manufactured aluminum alloy hub is uniform and dense in structure, high in toughness, high in strength, good incorrosion resistance, high in dimensional stability, excellent in comprehensive performance and long in service life, and has great using prospects.

Description

technical field [0001] The invention relates to the technical field of manufacturing automobile wheels, in particular to a method for manufacturing high-toughness and high-strength aluminum alloy wheels for automobiles. Background technique [0002] The automobile industry is an important symbol of the development of industrial modernization. The rapid development and sharp increase in output of the automobile industry in China has made it a pillar industry of the economy. With the development of the world economy, people pay more and more attention to the three major issues of environmental protection, energy and safety, and these issues are closely related to the development of the automobile industry. In order to solve these problems, the core issue of the automobile industry in the modern world is how to achieve lightweight, low cost, high safety performance, low energy consumption, and environmental protection. In recent years, the automotive industry has designed and ...

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): C22C21/02C22C1/02C22C1/06C22F1/043B60B27/00
CPCB60B27/00C22C1/026C22C1/06C22C21/02C22F1/002C22F1/043
Inventor 沈左红
Owner 江苏创斯达科技有限公司
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