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High-strength heat-resistant light alloy for three-dimensional printing and preparation method thereof

A 3D printing and light alloy technology, applied in the field of 3D printing materials, can solve the problems of no breakthrough progress, low material utilization rate, increased impurities, etc. Effect

Active Publication Date: 2020-06-02
苏州轻金三维科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

3D printing technology originated from the photographic sculpture and landform forming technology researched in the United States at the end of the 19th century, but limited by the technical conditions at that time, no breakthroughs were made.
The whole preparation process is long, energy consumption is high, impurities are easy to increase, and the utilization rate of materials is low

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] This embodiment relates to a Mg-Gd-Er-Sm-Zn magnesium alloy material, which includes the following components in weight percentage: 4wt.%Gd, 5wt.%Er, 3wt.%Sm, 0.2Zn , the balance being Mg and unavoidable impurities. Mg-4Gd-5Er-3Sm-0.2Zn magnesium alloy is not prepared with raw materials (pure magnesium, pure zinc, Mg-Gd master alloy, Mg-Er master alloy, Mg-Sm master alloy) combined with traditional melting process, but sequentially Follow the steps below:

[0018] (1) The raw materials pure magnesium, pure zinc, Mg-Gd master alloy, Mg-Er master alloy, and Mg-Sm master alloy are made into spherical powder by mechanical grinding process, with a particle size of 20-130 μm and an oxygen content of 0.05-0.16.

[0019] (2) According to the specific content of each element of the Mg-4Gd-5Er-3Sm-0.2Zn magnesium alloy, weigh various raw material powders, put the taken powders into a powder mixer and mix them for 10 minutes until they are evenly mixed.

[0020] (3) The metal po...

Embodiment 2

[0027] This embodiment relates to a Mg-Gd-Er-Sm-Zn-Zr magnesium alloy material, which includes the following components in weight percentage: 12wt.%Gd, 0.5wt.%Er, 0.2wt.% Sm, 2Zn, 1Zr, the balance is Mg and unavoidable impurities. Mg-12Gd-0.5Er-0.2Sm-2Zn-1Zr magnesium alloy is not combined with raw materials (pure magnesium, pure zinc, Mg-Gd master alloy, Mg-Er master alloy, Mg-Sm master alloy, Mg-Zr master alloy) The traditional smelting process is used to prepare, but the following steps are followed in turn:

[0028] (1) Use the mechanical grinding process to make the raw materials pure magnesium, pure zinc, Mg-Gd master alloy, Mg-Er master alloy, Mg-Sm master alloy, Mg-Zr master alloy into spherical powder, particle size 20~130μm, containing Oxygen content 0.05~0.16.

[0029] (2) According to the specific content of each element of the Mg-12Gd-0.5Er-0.2Sm-2Zn-1Zr magnesium alloy, weigh various raw material powders, put the taken powders into a powder mixer and mix them f...

Embodiment 3

[0037] This embodiment relates to a Mg-Gd-Er-Sm-Zn-Zr magnesium alloy material, which includes the following components in weight percentage: 8wt.%Gd, 2.5wt.%Er, 1.5wt.% Sm, 1Zn, 0.5Zr, the balance is Mg and unavoidable impurities. Mg-8Gd-2.5Er-1.5Sm-1Zn-0.5Zr magnesium alloy is not a raw material (pure magnesium, pure zinc, Mg-Gd master alloy, Mg-Er master alloy, Mg-Sm master alloy, Mg-Zr master alloy) Combined with the traditional smelting process for preparation, but follow the following steps in sequence:

[0038](1) Use the mechanical grinding process to make the raw materials pure magnesium, pure zinc, Mg-Gd master alloy, Mg-Er master alloy, Mg-Sm master alloy, Mg-Zr master alloy into spherical powder, particle size 20~130μm, containing Oxygen content 0.05~0.16.

[0039] (2) According to the specific content of each element of the Mg-8Gd-2.5Er-1.5Sm-1Zn-0.5Zr magnesium alloy, weigh various raw material powders, put the taken powders into a powder mixer and mix them for...

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Abstract

The invention discloses a high-strength heat-resistant light alloy for three-dimensional printing and a preparation method thereof. The high-strength heat-resistant light alloy comprises the followingcomponents according to the percentage by mass: 4-12wt.% of Gd, 0.5-5wt.% of Er, 0.2-3wt.% of Sm, 0.2-2wt.% of Zn, 0-1wt.% of Zr, and the balance being Mg and inevitable impurities. The preparation method comprises the following steps of: making raw materials into spherical powder after component design, fully mixing the metal powder, sintering the mixed raw material powder, performing solution heat treatment, and obtaining the light alloy spherical powder through mechanical grinding alloying. A finished product obtained through the three-dimensional printing of the obtained materials has theadvantages of high strength, light weight, good heat resistance and wear resistance.

Description

technical field [0001] The invention belongs to the technical field of 3D printing materials, and in particular relates to a high-strength heat-resistant light alloy for 3D printing and a preparation method thereof. Background technique [0002] 3D printing technology, also known as additive manufacturing according to its manufacturing process, belongs to a kind of rapid prototyping technology. It uses powdered metal or plastic and other bondable materials, and finally prints directly Produce products and form "digital manufacturing". 3D printing technology originated from the photographic sculpture and landform forming technology researched in the United States at the end of the 19th century, but limited by the technical conditions at that time, no breakthroughs were made. In the 1980s, with the vigorous development of computer technology and new material technology, 3D printing technology has made great progress, but its commercialization and marketization process is sl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C23/06B22F9/04B22F1/00B22F3/24B22F3/105B33Y70/00
CPCC22C23/06B22F9/04B22F3/24B33Y70/00B22F2009/043B22F2003/248B22F10/00B22F1/065B22F10/36B22F10/34Y02P10/25
Inventor 刘文才李俊锋
Owner 苏州轻金三维科技有限公司
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