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A high-strength alloy for three-dimensional printing and its preparation method

A high-strength alloy and three-dimensional printing technology, which is applied in the field of 3D printing materials, can solve the problems of increased impurities, limitations, and long processes, and achieve the effects of fine grain structure, excellent flame retardancy, and good flame retardancy

Active Publication Date: 2021-09-07
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-Y-Ca magnesium alloy material, which includes the following components in weight percentage: 6wt.%Gd, 4wt.%Er, 4wt.%Y, 0.2wt .%Ca, the balance is Mg and unavoidable impurities. Mg-6Gd-4Er-4Y-0.2Ca magnesium alloy is not prepared with raw materials (pure magnesium, pure calcium, Mg-Gd master alloy, Mg-Er master alloy, Mg-Y master alloy) combined with the traditional melting process, but sequentially Follow the steps below:

[0018] (1) The raw materials pure magnesium, pure calcium, Mg-Gd master alloy, Mg-Er master alloy, and Mg-Y master alloy are made into spherical powder by mechanical grinding process, with a particle size of 15-125 μm and an oxygen content of 0.06-0.14.

[0019] (2) According to the specific content of each element of the Mg-6Gd-4Er-4Y-0.2Ca magnesium alloy, weigh various raw material powders, put the taken powders into a powder mixer and mix them for 8 minutes until they are evenly mixed.

[0020] (3) The meta...

Embodiment 2

[0025] This embodiment relates to a Mg-Gd-Er-Y-Ca-Zr magnesium alloy material, which includes the following components in weight percentage: 18wt.%Gd, 0.5wt.%Er, 0.5wt.% Y, 1wt.% Ca, 1wt.% Zr, the balance is Mg and unavoidable impurities. Mg-18Gd-0.5Er-0.5Y-1Ca-1Zr magnesium alloy is not combined with raw materials (pure magnesium, pure calcium, Mg-Gd master alloy, Mg-Er master alloy, Mg-Y master alloy, Mg-Zr master alloy) The traditional smelting process is used to prepare, but the following steps are followed in turn:

[0026] (1) Use the mechanical grinding process to make raw materials such as pure magnesium, pure calcium, Mg-Gd master alloy, Mg-Er master alloy, Mg-Y master alloy, and Mg-Zr master alloy into spherical powder, with a particle size of 15-125 μm, containing Oxygen content 0.06~0.14.

[0027] (2) According to the specific content of each element of the Mg-18Gd-0.5Er-0.5Y-1Ca-1Zr magnesium alloy, weigh various raw material powders, put the taken powders into ...

Embodiment 3

[0033] This embodiment relates to a Mg-Gd-Er-Y-Ca-Zr magnesium alloy material, which includes the following components in weight percentage: 12wt.%Gd, 2wt.%Er, 2wt.%Y, 0.6wt.% Ca, 0.5wt.% Zr, the balance is Mg and unavoidable impurities. Mg-12Gd-2Er-2Y-0.6Ca-0.5Zr magnesium alloy is not combined with raw materials (pure magnesium, pure calcium, Mg-Gd master alloy, Mg-Er master alloy, Mg-Y master alloy, Mg-Zr master alloy) The traditional smelting process is used to prepare, but the following steps are followed in turn:

[0034] (1) Use the mechanical grinding process to make raw materials such as pure magnesium, pure calcium, Mg-Gd master alloy, Mg-Er master alloy, Mg-Y master alloy, and Mg-Zr master alloy into spherical powder, with a particle size of 15-125 μm, containing Oxygen content 0.06~0.14.

[0035] (2) According to the specific content of each element of the Mg-12Gd-2Er-2Y-0.6Ca-0.5Zr magnesium alloy, weigh various raw material powders, put the taken powders into a...

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Abstract

The invention discloses a high-strength alloy for three-dimensional printing and a preparation method thereof. The mass percentages of the components of the alloy are: 6~18wt.%Gd, 0.5~4wt.%Er, 0.5~4wt.%Y, 0.2 ~1wt.%Ca, 0~1wt.%Zr, the balance is Mg and unavoidable impurities. The preparation method is as follows: after designing the composition, the raw materials are made into spherical powder, and the metal powder is fully mixed, the mixed raw material powder is sintered and solid solution heat treated, and then the alloy spherical powder is obtained through mechanical grinding and alloying. The finished product obtained by three-dimensional printing has the advantages of high flame retardancy, light weight, high strength 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 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 slow. In the 21st centur...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C23/06C22C1/04C22F1/06B22F9/04B22F1/00B33Y70/00B33Y80/00
CPCC22C23/06C22C1/0408C22F1/06B33Y70/00B22F1/05
Inventor 刘文才李俊锋
Owner 苏州轻金三维科技有限公司
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