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A kind of die-casting forged aluminum alloy and production method thereof

Active Publication Date: 2016-03-02
SHENZHEN XINMAOXIN IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, aluminum alloys with high silicon and high copper content are used in this invention, so it is difficult to perform high-quality anodic oxidation treatment, so it is difficult to obtain high-quality product appearance decoration effects, so it is necessary to improve

Method used

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  • A kind of die-casting forged aluminum alloy and production method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0066] Mix industrial pure aluminum, aluminum-manganese alloy with 10% by weight of manganese, industrial pure magnesium, aluminum-titanium alloy with 5% by weight of titanium, and aluminum-rare-earth alloy with 10% by weight of rare earth, put it into an induction melting furnace, adjust Components get Al 余量 mn 1 Mg 1 Ti 0.2 Re 0.2 The alloy melt, in which the silicon content and iron content are controlled within 0.01%2 The gas is subjected to bubble floating purification treatment, and the melt temperature is controlled at 760°C.

[0067] The alloy melt is casted with a 160T cold die-casting machine, and the release machine uses a silicon-free water-based release agent to obtain a blank product, which is then polished, and then forged and trimmed. The forging temperature is room temperature, and then the blank The product is subjected to solid solution heat treatment. The heat treatment system is as follows: the temperature is 400°C, the time is 2 hours, and then the oi...

Embodiment 2

[0070] Mix industrial pure aluminum, aluminum-manganese alloy with 10% by weight of manganese, industrial pure magnesium, aluminum-titanium alloy with 5% by weight of titanium, and aluminum-rare-earth alloy with 10% by weight of rare earth, and put them into an induction melting furnace to adjust the composition Get Al 余量 mn 1 Mg 1 Ti 0.2 Re 0.2The alloy melt, in which the silicon content and iron content are controlled within 0.01%2 The gas is subjected to bubble floating purification treatment, and the melt temperature is controlled at 760°C.

[0071] The alloy melt is casted with a 160T cold die-casting machine, and the release machine uses a silicon-free water-based release agent to obtain a blank product, which is then polished, and then forged and trimmed. The forging temperature is room temperature, and then the blank The product is subjected to solid solution heat treatment. The heat treatment system is as follows: the temperature is 400°C, the time is 2 hours, and...

Embodiment 3

[0074] Mix industrial pure aluminum, aluminum-manganese alloy with 10% by weight of manganese, industrial pure magnesium, aluminum-titanium alloy with 5% by weight of titanium, and aluminum-rare-earth alloy with 10% by weight of rare earth, and put them into an induction melting furnace to adjust the composition Get Al 余量 mn 1 Mg 1 Ti 0.2 Re 0.2 In the alloy melt, the silicon content and iron content are controlled within 0.01%<Si<0.2%, 0.01%<Fe<0.4%, respectively, and the melt temperature is controlled at 760°C.

[0075] The alloy melt is casted with a 160T cold die-casting machine, and the release machine uses a silicon-free water-based release agent to obtain a blank product, which is then polished, and then forged and trimmed. The forging temperature is room temperature, and then the blank The product is subjected to solid solution heat treatment. The heat treatment system is as follows: the temperature is 400°C, the time is 2 hours, and then the oil quenching treatmen...

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Abstract

The present invention provides an aluminum alloy for die-casting forging, wherein the aluminum alloy is characterized by comprising, by weight, less than 1.2% of Mn, 0.45-1.2% of Mg, 0.05-0.3% of Ti, less than 0.2% of Si, less than 0.4% of Fe, 0.01-0.2% of rare earth elements, unavoidable impurity elements, and the balance of Al. The invention further provides a processing technology for die-casting, forging and anode oxidation. With the aluminum alloy and the processing technology, the problems of defects on the die-casting product surface and incapability of anode oxidation are well solved, the defects of low production efficiency and high cost of the aluminum alloy forging process are solved, the production efficiency and the product yield are high, the industrial production manufacturing is easily achieved, and commercial promotion and application values are provided.

Description

technical field [0001] The invention relates to the technical field of aluminum alloys, in particular to a method for manufacturing aluminum alloys and aluminum alloy products that are suitable for manufacturing appearance parts of electronic products, have strong casting ability, are easy to forge and have surface decoration. Background technique [0002] Due to its light material, good cutting ability and easy coloring, aluminum alloy is widely used in structural and appearance parts of electronic products. However, in the appearance structure, due to the strict requirements on the quality of the appearance of electronic products, people generally use aluminum alloy profile extrusion process or aluminum alloy forging process to produce aluminum alloy blanks, and then perform machining to realize various complex mechanical structures. , and finally carry out various surface treatment methods. Due to the special material properties of aluminum alloys, surface treatment usual...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C21/08C22C21/00C22C1/03C22F1/04C22F1/047C25D11/04
Inventor 刘秋华
Owner SHENZHEN XINMAOXIN IND CO LTD
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