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Formula of aluminum alloy hub material

A technology for aluminum alloy wheels and materials, which is applied in the field of aluminum alloy wheel material formulations, can solve the problems of increasing the difficulty of mechanical processing of parts, reducing the mechanical properties of alloys, and deteriorating dimensional stability, so as to improve mechanical properties, improve product processing performance, The effect of high tensile strength

Inactive Publication Date: 2014-04-02
SHANDONG HENGYU AUTO PARTS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Iron is a major harmful impurity in cast aluminum alloys. With the increase of iron content, needles and flaky brittle iron phases with high hardness will be formed in the metallographic structure. Its existence splits the aluminum alloy. The matrix reduces the mechanical properties of the alloy, especially the toughness, and increases the difficulty of machining parts, severe wear of knives and cutting tools, and poor dimensional stability

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0007] Example 1: The formula of this material is (weight percentage): Si6.5%, Cu0.3%, Mg0.4%, Mn0.3%, Ni0.02%,, Ti0.2%, Sr0.02%, Re0.2%, Zr0.01%, the rest is Al.

Embodiment 2

[0008] Example 2: The formula of the material is (weight percent): Si7.5%, Cu0.4%, Mg0.6%, Mn0.4%, Ni0.04%, Ti0.4%, Sr0.04%, Re0 .4%, Zr0.04%, and the rest is Al.

Embodiment 3

[0009] Example 3: The formula of this material is (weight percent): Si7%, Cu0.3%, Mg0.6%, Mn0.3%, Ni0.04%,, Ti0.4%, Sr0.02%, Re0. 3%, Zr0.04%, and the rest is Al.

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PUM

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Abstract

The invention provides a formula of an aluminum alloy hub material. The material comprises the following ingredients by weight: 6.5-7.5% of Si, 0.3-0.4% of Cu, 0.4-0.6% of Mg, 0.3-0.4% of Mn, 0.02-0.04% of Ni, 0.2-0.4% of Ti, 0.02-0.04% of Sr, 0.2-0.4% of Re, 0.01-0.04% of Zr and the rest of Al. The novel formula can not only effectively improve the mechanical properties of aluminum alloy, but also greatly improve the processing performance of a product and ensure the mechanical performance of the product.

Description

technical field [0001] The invention relates to a wheel hub material formula, in particular to an aluminum alloy wheel hub material formula. Background technique [0002] At present, the domestic wheel aluminum alloy mainly adopts A356 alloy (domestic brand: ZL101A), and its chemical composition contains: Si7%; Mg0. 35%; Fe < 0. 2%; Cu < 0. 2%; Zn < 0. 1% . Due to the high iron content in low-quality aluminum alloy ingots, and with the reuse of alloy furnace materials and the use of iron crucibles, tools, and roofing parts in production, the iron content of alloys continues to increase. Iron is a major harmful impurity in cast aluminum alloys. With the increase of iron content, needles and flaky brittle iron phases with high hardness will be formed in the metallographic structure. Its existence splits the aluminum alloy. The matrix reduces the mechanical properties of the alloy, especially the toughness, and increases the difficulty of mechanical processing of pa...

Claims

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Application Information

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IPC IPC(8): C22C21/02
Inventor 田家礼张光德于海洋
Owner SHANDONG HENGYU AUTO PARTS
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