Preparation and application of amorphous nanocrystalline alloy

An amorphous nanocrystalline and alloy technology, applied in water/sludge/sewage treatment, water pollutants, water/sewage treatment, etc., can solve the problems of low degradation efficiency, low cost, easy oxidation, etc. Forming ability, low cost, the effect of accelerated decomposition

Inactive Publication Date: 2018-02-13
DONGGUAN LIANZHOU INTPROP OPERATION MANAGEMENT CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Commonly used methods include physical methods and zero-valent iron degradation; among them, zero-valent iron treatment has been effectively applied due to its low cost, but it is easily oxidized and the degradation efficiency is low

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A kind of preparation of amorphous nanocrystalline alloy specifically comprises the following steps:

[0025] (1) Weigh each raw material according to the content of each element in the alloy; the content of each element is calculated by mass percentage, including Ni0.5%, Co 0.3%, Cu 2%, Nb 0.01%, B 3%, Si 2%, C 3.5%, P 0.1%, the balance is Fe, and the sum of the contents of each component is 100%;

[0026] (2) Place the above-mentioned weighed raw materials in a vacuum induction furnace for stirring and melting to obtain a master alloy ingot; wherein, the conditions for the melting are: the degree of vacuum is 0.004Pa, the temperature is 1250°C, the stirring speed is 500rpm, and the smelting The time is 3 minutes, and the number of smelting is 5 times;

[0027] (3) Grinding the surface of the master alloy ingot obtained in step (2) to remove scale, then crushing, and then preparing strips by a single-roller spin quenching method; wherein, the copper roller speed of th...

Embodiment 2

[0031] A kind of preparation of amorphous nanocrystalline alloy specifically comprises the following steps:

[0032] (1) Weigh each raw material according to the content of each element in the alloy; the content of each element is calculated by mass percentage, including Ni8%, Co 0.3%, Cu 1%, Nb 0.03%, B 11%, Si 9%, C 0.01% , P 0.1%, the balance is Fe, and the sum of the contents of each component is 100%;

[0033] (2) Place the above-mentioned weighed raw materials in a vacuum induction furnace for stirring and melting to obtain a master alloy ingot; wherein, the conditions for the melting are: a vacuum degree of 0.004Pa, a temperature of 1450°C, a stirring speed of 500rpm, and smelting The time is 3 minutes, and the number of smelting is 5 times;

[0034] (3) Grinding the surface of the master alloy ingot obtained in step (2) to remove scale, then crushing, and then preparing strips by a single-roller spin quenching method; wherein, the copper roller speed of the single-rol...

Embodiment 3

[0038] A kind of preparation of amorphous nanocrystalline alloy specifically comprises the following steps:

[0039] (1) Weigh each raw material according to the content of each element in the alloy; the content of each element is calculated by mass percentage, including Ni2%, Co 0.15%, Cu 1.2%, Nb 0.015%, B 5%, Si 4%, C 1% , P 3%, the balance is Fe, and the sum of the contents of each component is 100%;

[0040] (2) Place the above-mentioned weighed raw materials in a vacuum induction furnace and stir and smelt to obtain a master alloy ingot; wherein, the conditions for the smelting are: a vacuum degree of 0.004Pa, a temperature of 1300°C, a stirring speed of 500rpm, and smelting The time is 3 minutes, and the number of smelting is 5 times;

[0041] (3) Grinding the surface of the master alloy ingot prepared in step (2) to remove scale, then crushing, and then preparing strips by a single-roller spin quenching method; wherein, the copper roller speed of the single-roller spi...

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PUM

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Abstract

The invention discloses preparation of an amorphous nanocrystalline alloy. The amorphous nanocrystalline alloy comprises the components of, by mass, 0.5-8% of Ni, 0.1-0.3% of Co, 1-2% of Cu, 0.01-0.03% of Nb, 3-11% of B, 2-9% of Si, 0.01-3.5% of C, 0.1-3% of P and the balance Fe, and the sum of the content of all the components is 100%. The amorphous nanocrystalline alloy is prepared in the modesthat a master alloy ingot is prepared through induction smelting and then is prepared into a strip belt through the single roll rotating quenching method, then the strip belt is cut to be with the required length and placed in a vacuum annealing furnace, vacuum pumping is conducted, and annealing treatment is conducted under protection of inert gas. The prepared amorphous nanocrystalline alloy canbe used in the field of azo dye wastewater treatment and can be reused, and the preparation cost is low.

Description

Technical field: [0001] The invention relates to the field of amorphous nano-alloys, in particular to the preparation and application of an amorphous-nano-crystalline alloy. Background technique: [0002] At present, the application of amorphous materials is mainly in the fields of electricity and magnetism, and its good mechanical properties have not been well utilized. The main reason is that the formation of amorphous alloys requires relatively high cooling rates, so it is difficult to form bulk amorphous materials. Therefore, most of the current amorphous surfaces are obtained by methods such as surface treatment or spraying. The current research on nanomaterials has penetrated into many fields. Nanomaterials cause unique physical characteristics and have special electrical, magnetic and mechanical properties. Most of the current applications are the production of microscopic materials such as nanopowders and nanowhiskers. There are not many industrial applications for...

Claims

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Application Information

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IPC IPC(8): C22C38/08C22C38/10C22C38/16C22C38/12C22C38/02C22C45/02C21D1/26C21D1/74C02F1/461
CPCC22C38/105C02F1/461C02F2101/308C21D1/26C21D1/74C21D2201/03C22C38/002C22C38/02C22C38/12C22C38/16C22C38/32C22C45/02
Inventor 陈东进
Owner DONGGUAN LIANZHOU INTPROP OPERATION MANAGEMENT CO LTD
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