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A preparation method, material and application of 3D printing medical magnesium alloy material

A 3D printing and magnesium alloy technology, applied in the field of 3D printing materials, can solve the problems of no breakthrough progress, easy increase of impurities, high energy consumption, etc., to promote bone tissue healing, avoid pain and trouble, and high corrosion rate Effect

Active Publication Date: 2019-06-25
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

[0003] 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.
However, the ball milling method is easy to increase impurities due to high energy consumption

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] This embodiment relates to a medical magnesium alloy material for 3D printing. The alloy material includes the following components in weight percentage: 10wt% Fe, 1wt% Mn, 0.2wt% Zn, 0.5wt% Ca, and the balance for Mg.

[0039] This embodiment also relates to the preparation method of the aforementioned medical Mg-Fe-Mn-Zn-Ca magnesium alloy material, the preparation method comprising the following steps:

[0040] (1) Ingredients: Weigh raw materials according to the mass ratio of elements: 10wt% Fe, 1wt% Mn, 0.2wt% Zn, 0.5wt% Ca, and the balance is Mg; the raw materials include pure magnesium, pure manganese, pure zinc, Pure calcium, Mg-25wt% Fe master alloy; the purity of Mg ≥ 99.99%, and the purity of Fe ≥ 99.99%.

[0041] (2) Baking materials: Preheat all the raw materials weighed in step (1) at 180°C for 3 hours;

[0042] (3) Melting: Put the dried pure magnesium, pure manganese, pure zinc and pure calcium in the step (2) into a crucible preheated to 200°C, add a...

Embodiment 2

[0046] This embodiment relates to a medical magnesium alloy material for 3D printing. The alloy material includes the following components in weight percentage: 16wt% Fe, 3wt% Mn, 2wt% Zn, 3wt% Ca, and the balance is Mg .

[0047] This embodiment also relates to the preparation method of the aforementioned medical Mg-Fe-Mn-Zn-Ca magnesium alloy material, the preparation method comprising the following steps:

[0048] (1) Ingredients: Weigh the raw materials according to the mass ratio of the elements: 16wt%Fe, 3wt%Mn, 2wt%Zn, 3wt%Ca, and the balance is Mg; the raw materials include pure magnesium, pure manganese, pure zinc, pure calcium , Mg-25wt% Fe master alloy; the purity of Mg is ≥99.99%, and the purity of Fe is ≥99.99%.

[0049] (2) Baking materials: Preheat all the raw materials weighed in step (1) at 240°C for 3 hours;

[0050] (3) Melting: Put the dried pure magnesium, pure manganese, pure zinc and pure calcium in step (2) into a crucible preheated to 400°C, add cove...

Embodiment 3

[0054] This embodiment relates to a medical magnesium alloy material for 3D printing. The alloy material includes the following components in weight percentage: 13wt% Fe, 2wt% Mn, 1.1wt% Zn, 1.7wt% Ca, and the balance for Mg.

[0055] This embodiment also relates to the preparation method of the aforementioned medical Mg-Fe-Mn-Zn-Ca magnesium alloy material, the preparation method comprising the following steps:

[0056] (1) Ingredients: Weigh raw materials according to the mass ratio of elements: 13wt%Fe, 2wt%Mn, 1.1wt%Zn, 1.7wt%Ca, and the balance is Mg; the raw materials include pure magnesium, pure manganese, pure zinc, Pure calcium, Mg-25wt% Fe master alloy; the purity of Mg ≥ 99.99%, and the purity of Fe ≥ 99.99%.

[0057] (2) Baking materials: Preheat all the raw materials weighed in step (1) at 210°C for 3 hours;

[0058] (3) Melting: put the dried pure magnesium, pure manganese, pure zinc and pure calcium in step (2) into a crucible preheated to 300°C, add covering ...

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Abstract

The invention discloses a preparing method, material and application of a medical magnesium alloy material used for 3D printing. The magnesium alloy material comprises, by mass, 10-16wt% of Fe, 1-3wt% of Mn, 0.2-2wt% of Zn, 0.5-3wt% of Ca and the balance Mg. According to the preparing steps, the material is prepared according to the compositions and the mass; pure magnesium, pure manganese, pure zinc and pure calcium are put into a preheated crucible, a covering agent is added, and the mixed material is smelted on the atmosphere condition; after the mixed material is smelted, a magnesium iron intermediate alloy is added, after the mixed material is smelted, the mixed material is stirred uniformly, and the temperature is stabilized to range from 700 DEG C to 740 DEG C; a refining agent is added, refining is carried out for 5-30 min, the material stands for 10-30 min at the temperature of 700 DEG C-740 DEG C, surface dross is skimmed, the material is poured into a metal mould, and medical magnesium alloy base metal is obtained; and the base metal is smelted and atomized, and the medical magnesium alloy material is obtained. The medical magnesium alloy material is a multi-element degradable alloy material completely composed of biosecurity human body nutrient elements, has an excellent flame retardant property, can degrade an inner implanted material medically, has an important application potential in the 3D printing field, and has a good application prospect, and the powder shape and the particle diameter are easy to control.

Description

technical field [0001] The invention belongs to the technical field of 3D printing materials, and specifically relates to a preparation method, material and application of 3D printing medical magnesium alloy materials. 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". [0003] 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 pro...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C23/00C22C1/03C22C1/06B22F9/08B33Y70/00A61L31/02A61L31/14
CPCA61L31/022A61L31/14A61L31/148A61L2300/102A61L2300/404A61L2300/412A61L2300/604B22F9/08B33Y70/00C22C1/03C22C1/06C22C23/00
Inventor 刘文才李俊锋
Owner 苏州轻金三维科技有限公司
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