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High-performance uniformity aluminium alloy ingot production method

A technology of aluminum alloy ingots and production methods, applied in the field of aluminum alloy ingots, can solve the problems of poor quality of raw material sorting, unstable performance, high impurity content, etc., and achieve the effects of high production efficiency, low production cost, and uniform alloy composition

Active Publication Date: 2012-05-09
YE CHIU METAL RECYCLINGCHINALTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] In summary, the main technical problems faced by the method of using aluminum scrap to prepare high-performance uniform aluminum alloys are: the quality and efficiency of sorting aluminum scrap, the control and efficiency of burning loss in smelting production, and the uniformity of product components. Due to the above technical problems, problems such as poor quality of raw material sorting, low efficiency, serious component segregation, high impurity content, and unstable performance will be encountered in production.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0058] A high-performance homogeneous aluminum alloy ingot, its weight percentage is:

[0059] Cu: 3.75%; Si: 9.2%; Mg: 0.275%; Zn: 0.85%; Fe: 0.76%; Mn: 0.45%; Ni: 0.42%; Pb: 0.05%; %; balance is AL.

[0060] The production method steps of above-mentioned high-performance homogeneous aluminum alloy ingot are:

[0061] (1) Sorting raw materials: use "a high-efficiency waste recycling winnowing machine" to sort waste aluminum materials;

[0062] (2) Raw material preparation: classify and store the sorted raw materials to provide raw materials for smelting production;

[0063] (3) Ingredients: Proportioning is carried out according to the ratio requirements of each metal element of the product and the prepared raw materials; the raw materials are selected from high-copper, high-manganese, and high-nickel raw materials;

[0064] (4) Preheating and feeding: Preheat the raw materials with a good ratio through the "scrap aluminum smelting preheating kiln" and then send them into ...

Embodiment 2

[0088] A high-performance homogeneous aluminum alloy ingot, its weight percentage is:

[0089] Cu: 2.15%; Si: 7.68%; Mg: 0.08%; Zn: 0.2%; Fe: 0.26%; Mn: 0.15%; Ni: 0.18%; Pb: 0.024%; %; balance is AL.

[0090] The steps of the production method of the above-mentioned high-performance uniform aluminum alloy ingot are:

[0091] (1) Sorting raw materials: use "a high-efficiency waste recycling winnowing machine" to sort waste aluminum materials;

[0092] (2) Raw material preparation: classify and store the sorted raw materials to provide raw materials for smelting production;

[0093] (3) Ingredients: Proportioning is carried out according to the ratio requirements of each metal element of the product and the prepared raw materials; the raw materials are selected from raw materials with low iron content, and the furnace is cleaned before feeding if necessary;

[0094] (4) Preheating and feeding: Preheat the raw materials with a good ratio through the "scrap aluminum smelting p...

Embodiment 3

[0118] A high-performance homogeneous aluminum alloy ingot, its weight percentage is:

[0119] Cu: 2.92%; Si: 8.46%; Mg: 0.156%; Zn: 0.468%; Fe: 0.553%; Mn: 0.236%; Ni: 0.272%; Pb: 0.054%; Sn: 0.058%; %; balance is AL.

[0120] The steps of the production method of the above-mentioned high-performance uniform aluminum alloy ingot are:

[0121] (1) Sorting raw materials: use "a high-efficiency waste recycling winnowing machine" to sort waste aluminum materials;

[0122] (2) Raw material preparation: classify and store the sorted raw materials to provide raw materials for smelting production;

[0123] (3) Ingredients: According to the ratio requirements of each metal element of the product and the raw materials prepared;

[0124] (4) Preheating and feeding: Preheat the raw materials with a good ratio through the "scrap aluminum smelting preheating kiln"; the preheating temperature can reach 200°C;

[0125] (5) Melting furnace melting: send the prepared aluminum material into...

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Abstract

The invention discloses a high-performance uniformity aluminium alloy ingot and a production method thereof. The high-performance uniformity aluminium alloy ingot comprises the following components in percentage by weight: 2.1-3.8 percent of Cu, 7.6-9.3 percent of Si, 0-0.28 percent of Mg, 0-0.9 percent of Zn, 0-0.8 percent of Fe, 0-0.48 percent of Mn, 0-0.48 percent of Ni, 0-0.1 percent of Ti, 0-0.1 percent of Pb, 0-0.1 percent of Sn, 0-0.25 percent of other trace element sum and the balance of AL. The invention also provides the production method of the high-performance uniformity aluminium alloy ingot. The high-performance uniformity aluminium alloy ingot has even alloying components, effectively controls the problem of component segregation and has good mechanical property and good processing property. The production method of the high-performance uniformity aluminium alloy ingot can effectively remove nonmetal materials in waste aluminium materials and reduces slag generated in as melting process.

Description

technical field [0001] The invention relates to an aluminum alloy ingot and a production method thereof, in particular to a high-performance uniform aluminum alloy ingot and a production method thereof. Background technique [0002] At present, the aluminum-silicon alloys on the market have high impurity content, serious component segregation, poor mechanical properties, poor raw material sorting ability, high preparation cost and low efficiency. [0003] At the same time, there are currently two main methods for preparing high-performance uniform aluminum alloy ingots in the market: one is to use pure aluminum ingots as the base, add the required alloying elements according to the requirements of the composition ratio, and smelt the required grades of aluminum alloy Ingots, but the cost of this preparation method is very high; another preparation method is to use waste aluminum to prepare, using recycled waste aluminum parts or scraps and waste aluminum wires in the process...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C21/02C22B21/06B22D7/00
CPCY02P10/20
Inventor 黄崇胜
Owner YE CHIU METAL RECYCLINGCHINALTD
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