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A kind of hot-rolled aluminum-zinc alloy plate and preparation method thereof

An alloy sheet and zinc alloy technology, which is applied in the field of aluminum-based alloy manufacturing, can solve the problems of zero aluminization rate and inability to carry out industrial production of 6xxx series aluminum alloy sheets for automobile bodies, and achieves the effect of simple equipment and convenient operation.

Active Publication Date: 2015-11-18
深圳市锦发铜铝有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In China, due to the problem of stamping and forming of automobile plates that cannot be properly resolved, the industrial production of 6xxx series aluminum alloy plates for automobile bodies cannot be carried out, and the aluminization rate of domestic automobile body plates is basically zero.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] A method for preparing a hot-rolled aluminum-zinc alloy sheet is provided, characterized in that: the mass percent content of each component of the alloy is: Cu5%, Zn8%, Mn0.4%, Mo1%, Ta0.02%, W0 .04%, Mg0.8%, Sn0.7%, Ag0.5%, Nb0.1%, Ti0.05%, Fe0.08%, Zr0.02%, Co0.01%, Ca0.1%, Ce0 .05%, the balance is aluminum and unavoidable non-metallic inclusions.

[0030] The preparation method of the hot-rolled aluminum-zinc alloy plate comprises the following steps:

[0031] (1) Weigh pure aluminum, aluminum-zinc master alloy, aluminum-copper and other elements according to the composition of the product, then put pure aluminum, aluminum-zinc master alloy and aluminum-copper master alloy into the intermediate frequency melting furnace and melt The temperature is controlled at 790-810°C; after the alloy is fully melted, other elements are added to the aluminum melt and refined in a melting furnace, adding a refining agent accounting for 2.5wt% of the total amount of the aluminum a...

Embodiment 2

[0042] A method for preparing a hot-rolled aluminum-zinc alloy sheet is provided, wherein the mass percentage content of each component of the alloy is: Cu6%, Zn9%, Mn0.5%, Mo2%, Ta0.03%, W0 .05%, Mg0.9%, Sn0.8%, Ag0.6%, Nb0.2%, Ti0.06%, Fe0.09%, Zr0.03%, Co0.02%, Ca0.2%, Ce0 .06%, the balance is aluminum and unavoidable non-metallic inclusions.

[0043] The preparation method of the hot-rolled aluminum-zinc alloy plate comprises the following steps:

[0044] (1) Weigh pure aluminum, aluminum-zinc master alloy, aluminum-copper and other elements according to the composition of the product, then put pure aluminum, aluminum-zinc master alloy and aluminum-copper master alloy into the intermediate frequency melting furnace and melt The temperature is controlled at 790-810°C; after the alloy is fully melted, other elements are added to the aluminum melt and refined in a melting furnace, adding a refining agent accounting for 2.5wt% of the total amount of the aluminum alloy liquid,...

Embodiment 3

[0055] A method for preparing a hot-rolled aluminum-zinc alloy sheet is provided, wherein the mass percent content of each component of the alloy is: Cu5.5%, Zn8.5%, Mn0.45%, Mo1.5%, Ta0.025%, W0.045%, Mg0.85%, Sn0.75%, Ag0.55%, Nb0.15%, Ti0.055%, Fe0.085%, Zr0.025%, Co0.015%, Ca0.15%, Ce0.055%, the balance is aluminum and unavoidable non-metallic inclusions.

[0056] The preparation method of the hot-rolled aluminum-zinc alloy plate comprises the following steps:

[0057] (1) Weigh pure aluminum, aluminum-zinc master alloy, aluminum-copper and other elements according to the composition of the product, then put pure aluminum, aluminum-zinc master alloy and aluminum-copper master alloy into the intermediate frequency melting furnace and melt The temperature is controlled at 790-810°C; after the alloy is fully melted, other elements are added to the aluminum melt and refined in a melting furnace, adding a refining agent accounting for 2.5wt% of the total amount of the aluminum...

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Abstract

The invention relates to a hot rolled aluminum-zinc alloy plate and a preparation method thereof. The hot rolled aluminum-zinc alloy plate comprises the following components by weight percent: 5-6% of Cu, 8-9% of Zn, 0.4-0.5% of Mn, 1-2% of Mo, 0.02-0.03% of Ta, 0.04-0.05% of W, 0.8-0.9% of Mg, 0.7-0.8% of Sn, 0.5-0.6% of Ag, 0.1-0.2% of Nb, 0.05-0.06% of Ti, 0.08-0.09% of Fe, 0.02-0.03% of Zr, 0.01-0.02% of Co, 0.1-0.2% of Ca, 0.05-0.06% of Ce, and the balance being aluminum and inevitable non-metallic inclusion. The hot rolled aluminum-zinc alloy plate and the method have the advantages that the problems that the aluminum alloy is difficult to mold, low in yield, plates are short and the construction is inconvenient are solved.

Description

technical field [0001] The invention relates to a hot-rolled aluminum-zinc alloy plate, which belongs to the field of aluminum-based alloy manufacturing. Background technique [0002] Energy, environmental protection, and safety are the problems faced by the automotive industry in the world today. Automobile lightweight is an effective way to reduce energy consumption, improve automobile fuel economy, and reduce environmental pollution. Due to its high specific strength, corrosion resistance, low density, good impact resistance, easy surface coloring, good processing formability, and a series of excellent characteristics such as high recycling and regeneration, aluminum alloy materials have become the first choice for lightweight vehicles. Ideal material. With the continuous advancement of automobile lightweight, the 6xxx series aluminum alloys that are considered to be the most promising for automobile body panels have been widely used abroad. At present, the 6xxx series a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C21/10C22C1/03C22C1/06C22F1/053
Inventor 张霞
Owner 深圳市锦发铜铝有限公司