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Preparation method for zirconium-based amorphous alloy

A zirconium-based amorphous alloy and a zirconium-based technology are applied in the field of preparation of zirconium-based amorphous alloys, which can solve problems such as three-dimensional size limitation, and achieve the effects of improving the forming ability, reducing the nucleation rate and high forming ability.

Inactive Publication Date: 2015-10-21
TAIYUAN UNIV OF TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, compared with traditional metal crystal materials, the three-dimensional size of amorphous alloys is limited, and can only be made into very thin or very thin wires, sheets and powdered amorphous alloys. Bulk amorphous alloys are obviously the limit of amorphous alloys. Alloy application is a big bottleneck, so the development and preparation of larger-sized amorphous alloys has become the only way to industrialize amorphous alloys

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  • Preparation method for zirconium-based amorphous alloy
  • Preparation method for zirconium-based amorphous alloy
  • Preparation method for zirconium-based amorphous alloy

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[0030] The invention provides a method for preparing a zirconium-based amorphous alloy, which specifically comprises the following steps:

[0031] 1), one end of the base material is fixedly connected to the side wall of the reactor, the other end is rotatably suspended in the reactor, and a cooling medium is passed into the reactor until at least 1 / 3 of the base material the cross section is immersed in said cooling medium;

[0032] 2), the zirconium-based mixed fine powder is fed to the upper surface of the base material at a uniform speed by the powder feeding control device, and is located directly below the laser processing head; the zirconium-based mixed fine powder includes a mass ratio of (580~ 585): (30-31): (100-102): (48-49) zirconium fine powder, aluminum fine powder, nickel fine powder and copper fine powder; the particle size of the zirconium-based mixed fine powder is 300 mesh ~500 mesh;

[0033] 3) Turn on the laser, the laser processing head is connected wit...

Embodiment 1

[0058] Step 1): surface pretreatment of carbon steel rod 4:

[0059] ① The upper surface of the carbon steel rod 4 is roughened by sandblasting with a sandblasting machine, and the surface roughness of the obtained upper surface is Ra2.5 μm. The purpose of this operation is to degrease and deoxidize the upper surface of the carbon steel rod 4 Membrane grinding and cleaning;

[0060] ②Clean the upper surface with a cleaning solvent, dry the upper surface naturally, and use it as a working surface;

[0061] Step 2): Pretreatment of zirconium-based mixed powder:

[0062] ① Grind zirconium powder, aluminum powder, nickel powder and copper powder respectively, and pass through a 200-mesh sieve to obtain fine powder, which are respectively zirconium fine powder, aluminum fine powder, nickel fine powder and copper fine powder, and the particle diameter of the obtained fine powder is ≤0.075 mm;

[0063] 2. Put the zirconium fine powder, aluminum fine powder, nickel fine powder and ...

Embodiment 2

[0078] Step 1): surface pretreatment of carbon steel rod 4:

[0079] ① The upper surface of the carbon steel rod 4 is roughened by sandblasting with a sandblasting machine, and the surface roughness of the obtained upper surface is Ra5.0 μm.

[0080] ②Clean the upper surface with a cleaning solvent, dry the upper surface naturally, and use it as a working surface;

[0081] Step 2): Pretreatment of zirconium-based mixed powder:

[0082] ① Grind zirconium powder, aluminum powder, nickel powder and copper powder respectively, and pass through a 150-mesh sieve to obtain fine powder, which are respectively zirconium fine powder, aluminum fine powder, nickel fine powder and copper fine powder, and the particle diameter of the obtained fine powder is ≤0.1 mm;

[0083] ②The zirconium fine powder, aluminum fine powder, nickel fine powder and copper fine powder obtained in step 2) ① are mixed in a container in a mass ratio of 580:30:102:48, and stirred evenly to obtain a mixed fine po...

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Abstract

The invention provides a preparation method for a zirconium-based amorphous alloy. The preparation method comprises the following steps that 1 one end of a basis material is fixedly connected to the side wall of a reactor, the other end of the basis material is rotatably hung in the reactor, and a cooling medium is pumped into the reactor; 2 zirconium-based mixed fine powders are sent to the upper surface of the basis material through a powder-sending control device at a constant speed, and the fine powders are located under a laser processing head of an optical maser; 3 the optical maser is started, the laser processing head is connected with a gas protecting device, laser is ejected from the laser processing head, the laser is pointed on the upper surface of the basis material point-by point, the optical maser is closed at interval, and amorphous points are formed; 4 the basis material is rotated at a constant speed, so that the solidified amorphous points can be immersed into the cooling medium to conduct the post cooling treatment; the step is repeated, and the zirconium-based amorphous alloy is formed on the upper surface of the basis material. The preparation method for the zirconium-based amorphous alloy has the advantages that the forming ability of the amorphous alloy is high, and the operation is simple and accurate; the preparation method is an ideal method for the preparation of the zirconium-based amorphous alloy.

Description

technical field [0001] The invention belongs to the technical field of amorphous alloy preparation and relates to a preparation method of zirconium-based amorphous alloy. Background technique [0002] Amorphous alloys have more excellent mechanical properties, physical and chemical properties, ultra-high wear resistance and corrosion resistance, and good processing performance than crystalline alloys of the same or similar composition. These excellent properties make amorphous alloys show great application value in the field of functional materials and structural materials, and at the same time make amorphous alloys as a new type of material gradually become a hot spot of attention. [0003] Although the research and development of amorphous alloys has achieved quite remarkable achievements, from scratch, from small to large. However, compared with traditional metal crystal materials, the three-dimensional size of amorphous alloys is limited, and can only be made into very ...

Claims

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Application Information

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IPC IPC(8): C22C45/10C22C1/00
Inventor 王文先葛亚琼崔泽琴闫志峰干宇畅泽欣
Owner TAIYUAN UNIV OF TECH
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