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A kind of yttrium-containing amorphous magnesium alloy material and preparation method thereof

A magnesium alloy and amorphous technology, applied in the field of yttrium-containing amorphous alloy materials and its preparation, can solve the problem that the corrosion resistance of medical magnesium alloy cannot meet the growth and recovery period of orthopedics, and achieve good biocompatibility and superior corrosion resistance Performance, the effect of improving corrosion resistance

Active Publication Date: 2017-10-10
JILIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] In order to solve the problem in the prior art that the corrosion resistance of medical magnesium alloys cannot meet the orthopedic growth and recovery cycle, the purpose of the present invention is to provide a yttrium-containing amorphous alloy material that can provide effective stress support for bones during the orthopedic growth and recovery cycle It can also be safely and completely eroded and degraded after bone recovery

Method used

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  • A kind of yttrium-containing amorphous magnesium alloy material and preparation method thereof
  • A kind of yttrium-containing amorphous magnesium alloy material and preparation method thereof
  • A kind of yttrium-containing amorphous magnesium alloy material and preparation method thereof

Examples

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Effect test

Embodiment 1

[0032] A yttrium-containing amorphous magnesium alloy material is characterized in that the alloy structure is amorphous and is composed of the following components by mass percentage: 1.5% Y, 2% Zn, 0.5% Ca, and the balance is magnesium and impurity elements introduced during the micro-preparation process.

[0033]The preparation method of the material specifically includes:

[0034] 1) Preparation of yttrium-containing cast magnesium alloy master ingot:

[0035] Under the condition of 800-810°C, add KCl:NaCl=1:1 into the crucible as a covering agent, and distribute it into the crucible according to the weight ratio of 1.5% Y, 2% Zn, 0.5% Ca, and the balance is magnesium. Batch adding ingots:

[0036] First add small pieces of magnesium ingots under the condition of 740-760°C and keep it warm for 10 minutes.

[0037] Add fragmented yttrium ingot at 715-725°C and keep it warm for 1h.

[0038] Then add magnesium ingots containing zinc and calcium at 650-690°C, keep warm unt...

Embodiment 2

[0042] A yttrium-containing amorphous magnesium alloy material is characterized in that the alloy structure is amorphous and is composed of the following components by mass percent: 3% Y, 1.5% Zn, 1% Ca, and the balance is magnesium and impurity elements introduced during the micro-preparation process.

[0043] The preparation method of the material specifically includes:

[0044] 1) Preparation of yttrium-containing cast magnesium alloy master ingot:

[0045] Under the condition of 800-810°C, add KCl:NaCl=1:1 into the crucible as a covering agent, and distribute it into the crucible according to the weight ratio of 3% Y, 1.5% Zn, 1% Ca, and the balance is magnesium. Batch adding ingots:

[0046] First add small pieces of magnesium ingots under the condition of 740-760 ℃, and keep it warm for 8 minutes.

[0047] Add fragmented yttrium ingot at 715-725°C and keep it warm for 1.5h.

[0048] Then add magnesium ingots containing zinc and calcium at 650-690°C and keep warm unti...

Embodiment 3

[0052] A yttrium-containing amorphous magnesium alloy material is characterized in that the alloy structure is amorphous and is composed of the following components by mass percentage: 6% Y, 0.5% Zn, 1.5% Ca, and the balance is magnesium and Impurity elements introduced during trace preparation.

[0053] The preparation method of this material is the same as the preparation method of Example 2 except that the raw material ratio is 6% Y, 0.5% Zn, 1.5% Ca and the balance is magnesium, and the ejection pressure is 0.02.

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Abstract

The invention discloses a yttrium-containing amorphous alloy material and a preparation method thereof. The alloy is characterized in that: the alloy structure is amorphous, and is composed of the following components by mass percent: 0.3‑6% Y, 0.5‑6% Y 2% Zn, 0.5-2% Ca, the balance is magnesium and impurity elements introduced during the preparation process in a small amount. Compared with the prior art, the yttrium-containing amorphous magnesium alloy material of the present invention has the advantages that (1) it has superior corrosion resistance, and its corrosion resistance is even 4 times that of some existing magnesium alloys, and can be used in orthopedics The growth recovery cycle provides effective stress support without destructive corrosion degradation; (2) has superior mechanical properties; (3) not only has good biocompatibility, but also has osteoinductivity, which can make the fracture growth recovery cycle shorten.

Description

technical field [0001] The present invention generally relates to the field of medical metal materials, and more particularly relates to an yttrium-containing amorphous alloy material and a preparation method thereof. Background technique [0002] Magnesium alloy has many advantages over other existing biomedical materials such as titanium alloy, Co-Cr alloy, stainless steel, synthetic hydroxyapatite, etc. Properties: density of magnesium alloy (1.74-2.0g / cm 3 ) and human bone density (1.8-2.1g / cm 3 ) and similar; the elastic modulus of magnesium alloy is relatively low (41-45GPa), it is not easy to cause the stress shielding problem of medical titanium alloy (110-117GPa) orthopedic implants; magnesium alloy is not easy to cause rejection of the human body, because magnesium Ions are the second most abundant cations in the human body, and they participate in various physiological functions of the human body, such as protein synthesis, muscle contraction, and thermoregulati...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C45/00
CPCC22C45/005C22C1/11
Inventor 赵建武曲扬康明阳程猛吴晗刘建生刘俊阳
Owner JILIN UNIV
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