Deformable aluminum alloy metal powder material for additive manufacturing and preparation method thereof

A technology of deforming aluminum alloy and metal powder, which is applied in the field of metal powder materials to achieve the effect of increasing the recrystallization temperature and eliminating crack defects

Inactive Publication Date: 2018-02-02
XIAN BRIGHT ADDTIVE TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a deformed aluminum alloy metal powder material for additive manufacturing, which eliminates the cracking problem existing in the existing 6061 aluminum alloy powder in the additive manufacturing process

Method used

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Examples

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Effect test

preparation example Construction

[0020] A method for preparing a deformed aluminum alloy metal powder material for additive manufacturing, specifically comprising the following steps:

[0021] Step 1, material preparation;

[0022] Specifically, the deformed aluminum alloy metal powder material is composed of the following components according to the mass percentage: Si0.40-0.65, Fe 0.1-0.7, Cu 0.15-0.4, Mn 0.05-0.15, Mg 0.8-1.2, Cr 0.04-0.35, Zn 0.05~0.25, Ti 0.01~0.15, Sc0.2~0.5, the rest is Al, the sum of the mass percentages of the above components is 100%;

[0023] Step 2, drying the material obtained in step 1 before additive manufacturing;

[0024] The drying process is carried out at 100-130° C. for 0.5-2 hours, and the drying process is carried out in an argon-protected environment.

[0025] Step 3: Sieve the dried material in step 2 to remove larger particles and impurities to obtain a fine and uniform powder with a particle size of 15-120 μm, which is a deformed aluminum alloy metal powder materi...

Embodiment 1

[0027] Step 1, material preparation;

[0028] Specifically, the deformed aluminum alloy metal powder material is composed of the following components according to the mass percentage: Si0.40%, Fe 0.7%, Cu 0.15%, Mn 0.05%, Mg1%, Cr0.2%, Zn0.2%, Ti0 .1%, Sc0.3%, the rest is Al, the sum of the mass percentages of the above components is 100% (if there are impurity elements in the powder, the amount of each impurity element shall not exceed 0.05%, and the total amount of all impurity elements shall not exceed more than 0.15% of the total amount of the above-mentioned powder materials);

[0029] Step 2, drying the material obtained in step 1 before additive manufacturing and forming, the temperature during the drying process is 100°C, the holding time is 0.5h, and the drying treatment is carried out in an argon-protected environment;

[0030] Step 3, the dried material in step 2 is screened to remove larger particles and impurities to obtain a fine and uniform powder with a partic...

Embodiment 2

[0032] Step 1, material preparation;

[0033] Specifically, the deformed aluminum alloy metal powder material is composed of the following components according to the mass percentage: Si0.5%, Fe0.5%, Cu0.2%, Mn0.1%, Mg0.8%, Cr0.04%, Zn0 .05%, Ti0.15%, Sc0.4%, the rest is Al, the sum of the mass percentages of the above components is 100% (if there are impurity elements in the powder, the amount of each impurity element shall not exceed 0.05%, all impurities The total amount of elements does not exceed 0.15% of the total amount of the above powder materials);

[0034] Step 2, drying the material obtained in step 1 before additive manufacturing and forming, the temperature during the drying process is 110°C, the holding time is 0.8h, and the drying treatment is carried out in an argon-protected environment;

[0035] Step 3, the dried material in step 2 is screened to remove larger particles and impurities to obtain a fine and uniform powder with a particle size of 20-45 μm, whi...

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Abstract

The invention discloses a deformable aluminum alloy metal powder material for additive manufacturing and further discloses a preparation method for the deformable aluminum alloy metal powder for additive manufacturing. The deformable aluminum alloy metal powder material is composed of the following components of, by mass, 0.40-0.65% of Si, 0.1-0.7% of Fe, 0.15-0.4% of Cu, 0.05-0.15% of Mn, 0.8-1.2% of Mg, 0.04-0.35% of Cr, 0.05-0.25% of Zn, 0.01-0.15% of Ti, 0.2-0.5% of Sc and the balance Al, wherein the sum of the mass percentages of all the components is 100%. Through the deformable aluminumalloy metal powder for additive manufacturing, the cracking problem of existing 6061 aluminum alloy powder in the process of additive manufacturing is solved.

Description

technical field [0001] The invention belongs to the technical field of metal powder materials, and relates to a deformed aluminum alloy metal powder material used for additive manufacturing, and also relates to a preparation method of the metal powder material. Background technique [0002] 6061 aluminum alloy belongs to the Al-Mg-Si series alloy, which has excellent physical, chemical and mechanical properties; it has good corrosion resistance, high toughness, no deformation after processing, and easy coloring film. Typical applications include aerospace fixtures, electrical fixtures, communications, and are also widely used in automated mechanical parts, precision machining, mold manufacturing, electronics and precision instruments, etc. Due to the continuous development of aviation, aerospace, electronics, and machinery, the traditional pre-stretching process can no longer meet the demand; complex parts cannot be processed. [0003] With the continuous improvement of ind...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22F1/00C22C21/08B33Y70/00
CPCB22F1/0003C22C21/08B33Y70/00B22F1/14
Inventor 赵伟赵晓明薛蕾
Owner XIAN BRIGHT ADDTIVE TECH CO LTD
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