Isothermal forging forming method of 2024 aluminum matrix composite splint forge piece

An aluminum-based composite material and isothermal forging technology, which is applied in the field of forging and forming, can solve the problems of difficult forming of forgings, easy folding of cross-section transitions, and insufficient filling of forgings, and achieve the effect of improving the forming quality

Inactive Publication Date: 2022-04-01
GUIZHOU ANDA AVIATION FORGING
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

Forgings of this type of structure are difficult to form, especially have high requirements on the shape and quality of the preformed billet. For example, if the size of the forging does not match the final shape, there are partial fillings of the forging, and defects such as folding are prone to occur at the junctions of each section.

Method used

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  • Isothermal forging forming method of 2024 aluminum matrix composite splint forge piece
  • Isothermal forging forming method of 2024 aluminum matrix composite splint forge piece
  • Isothermal forging forming method of 2024 aluminum matrix composite splint forge piece

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specific Embodiment approach

[0021] The main chemical element content (percentage by weight) of the 2024 aluminum-based composite material is: Mn content 0.56%, Si content 0.065%, Cr content 0.0026%, Ti content 4.14%, Cu content 4.00%, Fe content 0.019% %, B content is 1.94%, Mg content is 1.52%, Zr content is 0.014%, and the balance is Al.

[0022] The steps of this method are as follows:

[0023] Take a blank of 2024 aluminum-based composite material of a certain specification, put it into an electric furnace, heat it to 420°C, and keep it warm for 270 minutes;

[0024] Take out the billet after heat preservation, upsetting on the free forging hammer, and then elongate; control the left end of the billet to remain unchanged, divide and elongate the blank at a distance from the left end of the billet, and then flatten the billet as a whole, as shown in 1 ; Then the left end of the blank is drawn and shaped to make a middle blank, as shown in 2;

[0025] Return the intermediate billet to the furnace and...

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Abstract

The invention discloses an isothermal forging forming method of a 2024 aluminum matrix composite splint forge piece, which comprises the following steps of: upsetting a blank on a free forging hammer, and drawing out; the left end of the blank is controlled to be unchanged, the position a away from the left end of the blank is divided and drawn out, and then the whole blank is upset to be flat; the left end of the blank is drawn out and shaped, and an intermediate blank is manufactured; and finally, the intermediate blank is subjected to isothermal forging forming. By means of the method, forging forming of the 2024 aluminum matrix composite clamping plate forge piece can be effectively achieved, and the forming quality of the 2024 aluminum matrix composite clamping plate forge piece is improved. The method is used for isothermal forging forming of the 2024 aluminum matrix composite splint forge piece.

Description

technical field [0001] The invention relates to an isothermal forging forming method of a plywood forging, in particular to an isothermal forging forming method of a 2024 aluminum-based composite material plywood forging. Background technique [0002] 2024 aluminum alloy is a typical Al-Cu-Mg series high-strength and hard aluminum alloy, which has the advantages of high strength and good heat resistance, and has been successfully used in high-strength structural parts such as aircraft, rocket skins, and wing spars. In recent years, with the development of material science and the domestic aerospace industry, a single 2024 aluminum alloy has been difficult to meet the high strength, wear resistance and other performance requirements of important parts in the fields of national defense and military industry. Scientific research has found that adding titanium boride ceramic particles to the 2024 aluminum alloy matrix, titanium boride as a strengthening phase is equiaxed and dis...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21J5/00B21J5/02B21J5/06B21J5/08B21J1/06B21J3/00
Inventor 黎汝栋陈明周昕浩
Owner GUIZHOU ANDA AVIATION FORGING
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