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Preparation method of high-strength low-cost titanium-base amorphous alloy

An amorphous alloy, low-cost technology, applied in the field of biomedicine, can solve the problems of insufficient strength and high cost, and achieve the effect of large fracture strength, small elastic modulus, and good corrosion resistance

Inactive Publication Date: 2018-05-29
任秀敏
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Even most Ti alloys that do not contain toxic elements have a large gap between their elastic modulus (50~110 GPa) and that of bone (5~30 GPa), and there are disadvantages of insufficient strength and high cost.

Method used

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  • Preparation method of high-strength low-cost titanium-base amorphous alloy

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Experimental program
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Effect test

Embodiment 1

[0023] A method for preparing a high-strength and low-cost titanium-based amorphous alloy, comprising the following steps:

[0024] (1) Ti (Ti content ≥99%), Zr (Zr content ≥99%), Ta (Ta content ≥99%), Si (Si content ≥99%) and Nb (Nb content ≥ 99%) respectively by Ti 60 Zr 10 Si 15 Ta 15-x Nb x (x= 3at. %) nominal group ratio;

[0025] (2) First smelt Ta and Si together to form an intermediate alloy with a melting point of 2533 K; then smelt the remaining Si with Nb to form an intermediate alloy with a melting point of 2193 K; smelt pure Ti, pure Zr, remaining Si, and Ta Si The alloy and the Si Nb master alloy are smelted repeatedly for 3 times in an electric arc furnace in an atmosphere of high-purity argon, and smelted into a master alloy;

[0026] (3) After the master alloy is melted, it enters the water-cooled copper mold by suction casting to cool to form an amorphous alloy with a diameter of 2.5mm.

Embodiment 2

[0028] A method for preparing a high-strength and low-cost titanium-based amorphous alloy, comprising the following steps:

[0029] (1) Ti (Ti content ≥99%), Zr (Zr content ≥99%), Ta (Ta content ≥99%), Si (Si content ≥99%) and Nb (Nb content ≥ 99%) respectively by Ti 60 Zr 10 Si 15 Ta 15-x Nb x (x= 7at. %) nominal composition ratio;

[0030] (2) First smelt Ta and Si together to form a master alloy with a melting point of 2545K; then smelt the remaining Si with Nb to form a master alloy with a melting point of 2200 K; smelt pure Ti, pure Zr, remaining Si, Ta Si master alloy and Si Nb master alloy are smelted repeatedly 4 times in an electric arc furnace under the atmosphere of high-purity argon, and smelted into a master alloy;

[0031] (3) After the master alloy is melted, it enters the water-cooled copper mold by suction casting to cool to form an amorphous alloy with a diameter of 3.0mm.

Embodiment 3

[0033] A method for preparing a high-strength and low-cost titanium-based amorphous alloy, comprising the following steps:

[0034] (1) Ti (Ti content ≥99%), Zr (Zr content ≥99%), Ta (Ta content ≥99%), Si (Si content ≥99%) and Nb (Nb content ≥ 99%) according to the nominal composition ratio of Ti60Zr10Si15Ta15-x Nbx (x=11at. %);

[0035] (2) First smelt Ta and Si together to form an intermediate alloy with a melting point of 2540 K; then smelt the remaining Si with Nb to form an intermediate alloy with a melting point of 2199 K; smelt pure Ti, pure Zr, remaining Si, and Ta Si The alloy and the Si Nb master alloy are smelted repeatedly in an electric arc furnace for 5 times in an atmosphere of high-purity argon, and smelted into a master alloy;

[0036] (3) After the master alloy is melted, it is sucked into the water-cooled copper mold and cooled to form an amorphous alloy with a diameter of 3.5mm.

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Abstract

The invention belongs to the technical field of biomedicine, and relates to a preparation method of a high-strength low-cost titanium-base amorphous alloy. The preparation method of the high-strengthlow-cost titanium-base amorphous alloy comprises the following steps that (1) Ti (the content of which is greater than or equal to 99%), Zr (the content of which is greater than or equal to 99%), Ta (the content of which is greater than or equal to 99%), Si (the content of which is greater than or equal to 99%) and Nb (the content of which is greater than or equal to 99%) are matched according toTi60Zr10Si15Ta15-xNbx (x is equal to 3at.% to 11at.%); and (2) Ta and Si are molten together into a Ta-Si intermediate alloy, the left Si and Nb are molten together into a Si-Nb intermediate alloy, and pure Ti, pure Zr, the left Si, the left Ta, the Ta-Si intermediate alloy and the Si-Nb intermediate alloy are molten together into a mother alloy. The preparation method of the high-strength low-cost titanium-base amorphous alloy has the advantages that the cost is low, the high-strength low-cost titanium-base amorphous alloy can be manufactured into a large block and thus is convenient to apply, and the preparation method is simple.

Description

technical field [0001] The invention belongs to the technical field of biomedicine and relates to a preparation method of high-strength and low-cost titanium-based amorphous alloy. Background technique [0002] In the current field of medical materials, there is an increasing demand for the manufacture of various artificial bones, artificial joints and various internal and external fixation devices, as well as for the manufacture of fillings, dentures, orthopedic wires, implants and various auxiliary treatment devices. Big. my country's research on biomedical materials started relatively late, and domestic biomaterials and their products account for less than 2% of the world market, most of which rely on imports. [0003] Biomedical materials are implanted into the human body and combined with the surrounding tissues. They are not toxic to the human body, but are also conducive to the diagnosis and repair of biological organisms, and can heal or replace damaged tissues and ...

Claims

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Application Information

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IPC IPC(8): C22C45/10C22C1/03
CPCC22C1/03C22C45/10C22C1/11
Inventor 任秀敏
Owner 任秀敏
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