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Method for preparing low-cost centimeter-sized zirconium-base amorphous alloy by adopting industrial sponge zirconium

A zirconium-based amorphous alloy and zirconium sponge technology, which is applied in the field of preparation of zirconium-based amorphous alloys, can solve the problems of high production costs, achieve the effects of reducing production costs, excellent mechanical properties, and eliminating nucleation particles of impurities

Active Publication Date: 2018-05-25
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In order to solve the problem of high production cost of zirconium-based amorphous alloys caused by using high-purity metallic zirconium as the raw material for existing zirconium-based amorphous alloys, the present invention proposes a method of preparing low-cost centimeter-level zirconium-based amorphous alloys by using industrial-grade sponge zirconium. crystal alloy method

Method used

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  • Method for preparing low-cost centimeter-sized zirconium-base amorphous alloy by adopting industrial sponge zirconium
  • Method for preparing low-cost centimeter-sized zirconium-base amorphous alloy by adopting industrial sponge zirconium
  • Method for preparing low-cost centimeter-sized zirconium-base amorphous alloy by adopting industrial sponge zirconium

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specific Embodiment approach 1

[0026] Specific implementation mode 1: In this implementation mode, the method for preparing a low-cost centimeter-level zirconium-based amorphous alloy using industrial-grade zirconium sponge is carried out according to the following steps;

[0027] 1. According to the atomic percentage, Zr: 50-51%, Cu: 27-29%, Ni: 8.5-9.5% and the rest of Al weigh industrial-grade sponge zirconium, metal copper, metal nickel and metal aluminum as raw materials;

[0028] 2. Vacuum the electric arc furnace to a vacuum degree of 6.6×10 -3 Below Pa, fill with protective gas;

[0029] 3. Carry out titanium smelting in the electric arc furnace after vacuuming for 2 to 3 minutes;

[0030] 4. Place the raw materials weighed in step 1 in the crucible in the electric arc furnace, set the melting current of the electric arc furnace to 300-350A, and melt the raw materials in the crucible for 3-5 minutes to obtain an alloy melt. During the melting process, the crucible Electromagnetic stirring is perfo...

specific Embodiment approach 2

[0037] Specific embodiment 2: The difference between this embodiment and specific embodiment 1 is that in step 1, Zr: 50%, Cu: 27%, Ni: 8.5% and the remainder of Al weigh industrial grade zirconium sponge , metal copper, metal nickel and metal aluminum as raw materials. Other steps and parameters are the same as those in the first embodiment.

specific Embodiment approach 3

[0038] Specific embodiment three: the difference between this embodiment and specific embodiment one or two is that: in step one, Zr: 50.7%, Cu: 28%, Ni: 9% and the balance of Al weigh industrial grade Zirconium sponge, metal copper, metal nickel and metal aluminum are used as raw materials. Other steps and parameters are the same as those in Embodiment 1 or 2.

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Abstract

The invention relates to a method for preparing a low-cost centimeter-sized zirconium-base amorphous alloy by adopting industrial sponge zirconium, and relates to a method for preparing the zirconium-base amorphous alloy. In order to solve the problem that the production cost of the zirconium-base amorphous alloy is high since high-purity metal zirconium is adopted as a raw material for an existing zirconium-base amorphous alloy, the method comprises the steps of (1) weighing raw material according to the atomic percent; (2) vaccumizing an electric arc furnace, and filling a protection gas; (3) carrying out titanium smelting; (4) preparing an alloy ingot, and repetitively smelting the alloy ingot; and (5) drop casting. According to the method provided by the invention, the low-purity industrial sponge zirconium is adopted as a raw material for preparing the zirconium-base amorphous alloy, so that the production cost of the zirconium-base amorphous alloy is reduced; the method providedby the invention is beneficial to inhibiting generation of nucleation particles or eliminating impurity nucleation particles; and compared with the existing zirconium-base amorphous alloy, the zirconium-base amorphous alloy provided by the invention has the same excellent mechanical performance. The method provided by the invention is applicable to preparing the zirconium-base amorphous alloy.

Description

technical field [0001] The invention relates to a method for preparing zirconium-based amorphous alloy. Background technique [0002] Bulk Metallic Glasses exhibit high strength, high fracture toughness, low elastic modulus, excellent corrosion resistance, good A series of properties superior to traditional crystalline alloys such as excellent fatigue resistance and good biocompatibility. With the successive development of new Ti-based, Zr-based and Mg-based bulk amorphous alloys, scholars have conducted a lot of research on the mechanical properties, wear resistance, fatigue resistance, and biocompatibility of bulk amorphous alloys. The research provides an experimental basis for the application of amorphous alloys. [0003] Compared with other existing developed systems, zirconium-based amorphous alloys show more unique advantages, which are mainly reflected in: high glass forming ability, superior mechanical properties, good friction and wear resistance, and in With ex...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C45/10
CPCC22C45/10C22C1/11
Inventor 黄永江安超郭帅胡星星范洪波宁志良曹福洋邢大伟孙剑飞
Owner HARBIN INST OF TECH
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