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High-intensity aluminum alloy powder material for manufacturing additional material and preparation method thereof

A technology of additive manufacturing and metal powder, which is applied in the field of metal powder materials and can solve problems such as inability to fully meet the strength requirements of parts

Inactive Publication Date: 2017-12-22
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 high-strength aluminum alloy metal powder material for additive manufacturing, which solves the problem that the existing aluminum alloy powder cannot fully meet the strength requirements of parts

Method used

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Examples

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Effect test

preparation example Construction

[0020] The method for preparing high-strength aluminum alloy metal powder material for additive manufacturing specifically includes the following steps:

[0021] Step 1, material preparation;

[0022] Specifically, the high-strength aluminum alloy metal powder material is composed of the following components in terms of mass percentage: Mg 3~7, Sc0.50~0.90, Zr0.02~0.20, Cr 0.01~0.1, Fe 0.1~0.4, Cu0.05~ 0.2, Mn 0.05~0.2, Ti 0.01~0.15, Si 0.1~0.25, Zn 0.1~0.25, the rest is Al, and the sum of the above component mass percentages is 100%;

[0023] Step 2: Drying the material obtained in step 1 before forming by additive manufacturing;

[0024] The drying process is to keep the temperature at 100~130℃ for 0.5~2h, and the drying process is carried out in an argon atmosphere.

[0025] Step 3. The material dried in step 2 is sieved to remove larger particles and impurities to obtain a fine uniform powder with a particle size of 15-50μm, that is, a high-strength aluminum alloy metal powder mate...

Embodiment 1

[0027] Step 1, material preparation;

[0028] Specifically, the high-strength aluminum alloy metal powder material is composed of the following components according to mass percentage: Mg 3%, Sc0.9%, Zr0.02%, Cr 0.1%, Fe 0.4%, Cu0.1%, Mn 0.2%, Ti 0.15%, Si 0.1%, Zn 0.25%, the rest is Al, and the total mass percentage of the above components is 100%;

[0029] Step 2. The material obtained in step 1 is dried before forming by additive manufacturing, the temperature during the drying process is 100°C, the holding time is 0.5h, and the drying process is performed in an argon atmosphere;

[0030] Step 3, Step 2 The dried material is sieved to remove larger particles and impurities to obtain fine uniform powder with a particle size of 10-35μm, that is, a high-strength aluminum alloy metal powder material for additive manufacturing. The aluminum alloy metal powder is sealed and stored in a vacuum.

Embodiment 2

[0032] Step 1, material preparation;

[0033] Specifically, the high-strength aluminum alloy metal powder material is composed of the following components according to mass percentage: Mg4%, Sc0.6%, Zr0.1%, Cr0.05%, Fe0.2%, Cu0.05%, Mn0.1 %, Ti0.01%, Si0.2%, Zn0.1%, the rest is Al, and the total mass percentage of the above components is 100%;

[0034] Step 2: The material obtained in step 1 is dried before forming by additive manufacturing. The temperature during the drying process is 110°C, the holding time is 0.8h, and the drying process is performed in an argon atmosphere;

[0035] Step 3, Step 2 The dried material is sieved to remove larger particles and impurities to obtain fine uniform powder with a particle size of 20-40μm, that is, a high-strength aluminum alloy metal powder material for additive manufacturing. The aluminum alloy metal powder is sealed and stored in a vacuum.

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Abstract

The invention discloses a high-intensity aluminum alloy powder material for manufacturing an additional material. The high-intensity aluminum alloy powder material for manufacturing the additional material comprises the following components in percentage by mass: 3-7% of Mg, 0.50-0.90% of Sc, 0.02-0.20% of Zr, 0.01-0.1% of Cr, 0.1-0.4% of Fe, 0.05-0.2% of Cu, 0.05-0.2% of Mn, 0.01-0.15% of Ti, 0.1-0.25% of Si, 0.1-0.25% of Zn, and the balance Al, wherein the sum of the abovementioned components in percentage by mass is 100%. The invention also discloses a preparation method of the high-intensity aluminum alloy powder material for manufacturing the additional material. With the adoption of the high-intensity aluminum alloy powder material for manufacturing the additional material, the problem that existing aluminum alloy powder cannot completely meet the requirement on intensity of parts.

Description

Technical field [0001] The invention belongs to the technical field of metal powder materials, and relates to a high-strength aluminum alloy metal powder material for additive manufacturing. The invention also relates to a method for preparing the metal powder material. Background technique [0002] At present, as a light metal material, aluminum alloy has been widely used in aerospace, high-speed trains, light vehicles, electronics, national defense and military, construction and other fields with its excellent physical, chemical and mechanical properties. Traditional processing techniques include plastic processing and casting processing. Traditional thermal processing technology generally requires mechanical processing after processing, the material utilization is low, the manufacturing cycle is long, and the thermal processing technology is difficult to accurately control. The parts with complex internal cavities cannot be formed and processed. [0003] With the continuous im...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/08B22F1/00B33Y70/00
CPCC22C21/08B22F1/0003B33Y70/00
Inventor 赵晓明赵伟薛蕾
Owner XIAN BRIGHT ADDTIVE TECH CO LTD
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