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Method for rapidly smelting zirconium-based amorphous alloy master alloy

A zirconium-based amorphous alloy and master alloy technology, applied in the field of amorphous alloys, can solve the problems of increasing process links, cumbersome preparation methods, affecting the forming of amorphous alloys, etc., so as to increase the service cycle, simplify the smelting process, and improve production efficiency. Effect

Inactive Publication Date: 2019-10-22
INST OF METAL RESEARCH - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this method requires secondary feeding, adding process links, and the preparation method is cumbersome, time-consuming and laborious, which is not conducive to large-scale production; and in the secondary feeding process, oxygen will be added to affect the formation of amorphous alloys

Method used

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  • Method for rapidly smelting zirconium-based amorphous alloy master alloy

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Embodiment 1

[0032] In the present embodiment, the grade of the amorphous alloy is: AEM-1, and the method for rapidly smelting zirconium-based amorphous alloy master alloy thereof comprises:

[0033] (1) the niobium block is broken to obtain niobium particles with a particle size of 0.5 cm;

[0034] (2) mechanically compacting the zirconium sponge to obtain a zirconium electrode;

[0035] (3) uniformly mixing niobium particles, zirconium electrodes and remaining alloy raw materials to obtain alloy raw materials;

[0036] (4) Install the crucible in the inductor, bake and evacuate, heat through coil induction, load the power to 10kW to preheat the crucible, keep it warm for 6 hours, and the preheating temperature is 500°C;

[0037] (5) Add alloy raw materials to the crucible. All raw materials are matched in size and size. Fill the crucible with upper and lower tight mode, fill it with protective gas, load the power to 70kW, heat it through coil induction, and adjust the power in time acco...

Embodiment 2

[0040] In the present embodiment, the grade of the amorphous alloy is: AEM-1, and the method for rapidly smelting zirconium-based amorphous alloy master alloy thereof comprises:

[0041] (1) the niobium block is broken to obtain niobium particles with a particle size of 2 cm;

[0042] (2) mechanically compacting the zirconium sponge to obtain a zirconium electrode;

[0043] (3) uniformly mixing niobium particles, zirconium electrodes and alloy raw materials to obtain alloy raw materials;

[0044] (4) Install the crucible in the inductor, bake and evacuate, heat through coil induction, load the power to 20kW to preheat the crucible, keep it warm for 4 hours, and the preheating temperature is 1200°C;

[0045] (5) Add alloy raw materials to the crucible. All raw materials are matched in size and size. Fill the crucible with protective gas in the upper and lower tight mode, load the power to 30kW, heat through the coil induction, adjust the power in time according to the state of...

Embodiment 3

[0048] In the present embodiment, the grade of the amorphous alloy is: AEM-1, and the method for rapidly smelting zirconium-based amorphous alloy master alloy thereof comprises:

[0049] (1) the niobium block is broken to obtain niobium particles with a particle size of 5 cm;

[0050] (2) mechanically compacting the zirconium sponge to obtain a zirconium electrode;

[0051](3) uniformly mixing niobium particles, zirconium electrodes and alloy raw materials to obtain alloy raw materials;

[0052] (4) Install the crucible in the inductor, bake and evacuate, heat through coil induction, load the power to 10kW to preheat the crucible, keep it warm for 8 hours, and the preheating temperature is 1000°C;

[0053] (5) Add alloy raw materials to the crucible. All raw materials are matched in size and size. Fill the crucible with protective gas in the upper and lower tight mode, load the power to 50kW, and heat through the coil induction. Adjust the power in time according to the state...

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Abstract

The invention relates to the technical field of amorphous alloys, in particular to a method for rapidly smelting a zirconium-based amorphous alloy master alloy. The method comprises the following steps that a niobium block and sponge zirconium are pretreated to obtain niobium particles and a zirconium electrode; the niobium particles, the zirconium electrode and the rest alloy raw materials are uniformly mixed to obtain alloy raw materials; a crucible is installed in an inductor, baking and vacuumizing are carried out, and the crucible is preheated through coil induction heating; the alloy rawmaterials are added into the crucible, protective gas is introduced, and the raw materials are heated to be molten uniformly through coil heating, poured into a mold and cooled, and therefore the zirconium-based amorphous alloy master alloy is obtained. The raw materials are pretreated, the sponge zirconium is mechanically compacted, zirconium is change from a honeycomb structure to a solid structure, induction melting is facilitated, and ingredient uneven caused by element nonmelting in the melting process can be avoided; the niobium block is crushed into small niobium particles, therefore niobium is easier to melt, and the problem that niobium is not thorough in melting due to the high melting point is solved.

Description

technical field [0001] The invention relates to the technical field of amorphous alloys, in particular to a method for rapidly melting zirconium-based amorphous alloy master alloys. Background technique [0002] Amorphous alloy, also called metallic glass, is usually prepared by rapid solidification of liquid alloy melt, and its internal structure is a long-range disordered amorphous structure similar to glass. The unique atomic arrangement structure of amorphous alloy makes it have many excellent characteristics, such as high strength, high hardness and high wear resistance and so on. [0003] However, in the prior art, due to the large volume of zirconium and the honeycomb structure of zirconium sponge, the magnetic induction coil cannot directly heat the zirconium to melt it. The existing zirconium-based amorphous alloy master alloy is usually melted by adding other alloy raw materials first, and then adding zirconium. , thus avoiding the infusibility of zirconium. Howe...

Claims

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Application Information

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IPC IPC(8): C22C45/10
CPCC22C45/10C22C1/11
Inventor 张宏伟张海峰刘文强汤广全李宏朱正旺付华萌王爱民张龙
Owner INST OF METAL RESEARCH - CHINESE ACAD OF SCI
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