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Manufacturing technique of nickel-copper alloy

A manufacturing process and technology of nickel-copper alloy, applied in the field of nickel-copper alloy and its manufacturing process, can solve the problems of inability to achieve corrosion resistance effect, unsatisfactory effect of nickel-copper alloy, etc., and improve high-temperature oxidation resistance and corrosion resistance. , The effect of improving the metallographic structure and enhancing the compactness

Inactive Publication Date: 2015-12-23
JIANGSU LEAP MACHINE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the effect of nickel-copper alloys produced in China is still not very satisfactory, and the original corrosion resistance effect cannot be achieved. Long-term seawater immersion will still produce certain corrosion. Therefore, how to improve the performance and corrosion resistance of nickel-copper alloys is still a fundamental issue. Topics that technical personnel in the field need to devote themselves to research

Method used

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  • Manufacturing technique of nickel-copper alloy

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Effect test

Embodiment 1

[0017] A manufacturing process of nickel-copper alloy, which mainly includes the following components, expressed in weight percentage: 35% copper, 15% iron, 15% chromium, 2% rhenium, 2.25% manganese, and 0.2% silicon , magnesium is 0.1%, titanium is 0.15%, nickel is 30%, and the rest is other ingredients.

[0018] The specific manufacturing process is as follows:

[0019] (1) Retrieving materials: select nickel, copper, iron, chromium, rhenium, manganese, silicon, magnesium and titanium as raw materials to prepare alloy materials according to the stated ratio;

[0020] (2) Smelting: Put nickel, copper, iron, chromium, rhenium, manganese, silicon, magnesium, and titanium into the melting furnace in sequence. The specific operation steps: first add nickel, copper, iron, and chromium to melt, and then Add rhenium, manganese, silicon, stir with electromagnetic, finally add titanium, magnesium, sample and cast;

[0021] (3) Annealing: steel ingot annealing temperature 1150°C--110...

Embodiment 2

[0026] A manufacturing process of nickel-copper alloy, which mainly includes the following components, expressed in weight percentage: 50% copper, 8% iron, 10% chromium, 0.5% rhenium, 2% manganese, and 0.15% silicon , magnesium is 0.05%, titanium is 0.1%, nickel is 29%, and the rest is other components.

[0027] The manufacturing process steps include the following operations in sequence:

[0028] (1) Retrieving materials: select nickel, copper, iron, chromium, rhenium, manganese, silicon, magnesium and titanium as raw materials to prepare alloy materials according to the stated ratio;

[0029] (2) Smelting: Put nickel, copper, iron, chromium, rhenium, manganese, silicon, magnesium, and titanium into the melting furnace in sequence. The specific operation steps: first add nickel, copper, iron, and chromium to melt, and then Add rhenium, manganese, silicon, stir with electromagnetic, finally add titanium, magnesium, sample and cast;

[0030] (3) Annealing: steel ingot anneali...

Embodiment 3

[0035] A manufacturing process of nickel-copper alloy, which mainly includes the following components, expressed in weight percentage: 40% copper, 10% iron, 12% chromium, 1.5% rhenium, 2% manganese, and 0.17% silicon , magnesium is 0.06%, titanium is 0.12%, nickel is 34%, and the rest is other components.

[0036] The manufacturing process steps include the following operations in sequence:

[0037] (1) Retrieving materials: select nickel, copper, iron, chromium, rhenium, manganese, silicon, magnesium and titanium as raw materials to prepare alloy materials according to the stated ratio;

[0038] (2) Smelting: Put nickel, copper, iron, chromium, rhenium, manganese, silicon, magnesium, and titanium into the melting furnace in sequence. The specific operation steps: first add nickel, copper, iron, and chromium to melt, and then Add rhenium, manganese, silicon, stir with electromagnetic, finally add titanium, magnesium, sample and cast;

[0039] (3) Annealing: steel ingot annea...

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Abstract

The invention discloses a manufacturing technique of a nickel-copper alloy. The invention is characterized in that the nickel-copper alloy mainly comprises the following components in percentage by weight: 35-50% of copper, 8-15% of iron, 10-15% of chromium, 0.5-2% of rhenium, 1.25-2.25% of manganese, 0.15-0.2% of silicon, 0.05-0.1% of magnesium, 0.1-0.15% of titanium, at most 0.5% of other components and the balance of nickel. The manganese can improve the metallurgical structure of the material, improve the as-cast structure of the alloy, enhance the compactness of the material and promote the combination of the base, thereby effectively enhancing the high-temperature oxidation resistance and corrosion resistance, enhancing the strength, prolonging the service life of the material product and lowering the cost. The magnesium, which is used as a fluxing agent, can absorb abundant oxygen, hydrogen, nitrogen and other gases in the heating process, and thus, is an ideal degasser. The titanium has favorable corrosion resistance, and can further enhance the corrosion resistance of the material. The silicon is beneficial to enhancing and refining the grains by solid solution, thereby enhancing the metallic properties.

Description

technical field [0001] The invention relates to the application field of alloy steel, in particular to a nickel-copper alloy and a manufacturing process thereof. Background technique [0002] Nickel-copper alloy has the advantages of high corrosion resistance, high elasticity and high strength, and is widely used in shipbuilding, chemical industry, electronics, aerospace and other industries. [0003] However, the effect of domestically produced nickel-copper alloys is still not very satisfactory, and the original corrosion resistance effect cannot be achieved. Long-term seawater immersion will still produce certain corrosion. Therefore, how to improve the performance and corrosion resistance of nickel-copper alloys is still a fundamental issue. Field technicians need to concentrate on research topics. Contents of the invention [0004] The object of the present invention is to provide a manufacturing process of nickel-copper alloy with high strength and corrosion resista...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C30/02C22C9/00C22C9/06C22C1/02
Inventor 蒋波
Owner JIANGSU LEAP MACHINE
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