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A kind of high-performance nickel-based superalloy and its manufacturing method

A nickel-based superalloy and a manufacturing method technology, which are applied in the field of high-performance nickel-based superalloy and its manufacture, and the field of high-performance nickel-based superalloy, can solve the problem of difficult deformation of casting superalloy, and achieve good mechanical properties, excellent quality, low cost effect

Active Publication Date: 2017-10-13
BEIJING BEIYE FUNCTIONAL MATERIALS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a high-performance nickel-based superalloy and its manufacturing method to solve the problem that the existing cast superalloys are difficult to deform

Method used

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  • A kind of high-performance nickel-based superalloy and its manufacturing method
  • A kind of high-performance nickel-based superalloy and its manufacturing method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] A kind of high performance nickel base superalloy, its chemical composition (wt%) is as shown in table 1:

[0018] The chemical composition (wt%) of alloy in the embodiment 1 of table 1

[0019] Al

Cr

Mo

Nb

Ti

C

Si

mn

B

Zr

Fe

Cu

Ni

2.31

11.31

3.82

1.73

0.50

0.064

0.13

0.18

0.013

0.07

0.21

<0.10

Remain

[0020] The concrete steps and process parameters of its manufacturing method are as follows:

[0021] 1. Melting: Weigh the raw materials of each component and put them into the crucible, among them, Cr: 11.31%, Mo: 3.82%, Nb: 1.73%, Ni: the balance; in a high vacuum state, the melting temperature of the melting furnace is set to 1530°C, after the raw materials are completely melted, continue heating for 5 minutes until the raw materials are melted.

[0022] 2. Refining: Control the temperature of the above solution at 1560-1580°C, and fill the furnace with argon until th...

Embodiment 2

[0031] A kind of high performance nickel base superalloy, its chemical composition (wt%) is as shown in table 3:

[0032] The chemical composition (wt%) of alloy in the embodiment 2 of table 3

[0033] Al

Cr

Mo

Nb

Ti

C

Si

mn

B

Zr

Fe

Cu

Ni

1.92

11.39

2.98

1.08

0.40

0.047

0.13

0.13

0.014

0.07

0.11

<0.10

Remain

[0034] The concrete steps and process parameters of its manufacturing method are as follows:

[0035] 1. Melting: Weigh the raw materials of each component and put them into the crucible, wherein, Cr: 11.39%, Mo: 2.98%, Nb: 1.08%, Ni: the balance; in a high vacuum state, the melting temperature of the melting furnace is 1530°C, after the raw materials are completely melted, continue heating for 5 minutes until the raw materials are melted.

[0036] 2. Refining: Control the temperature of the above solution at 1560-1580°C, and fill the furnace with argon until the vacuum d...

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Abstract

A high-performance nickel-based superalloy and a manufacturing method thereof belong to the technical field of nickel-based superalloys. Alloy by weight percentage: C: 0.02% ~ 0.10%, Cr: 9.6% ~ 12.0%, Mo: 2.5% ~ 4.0%, Nb: 0.6% ~ 3.2%, Al: 1.5% ~ 3.2%, Ti: 0.1% ~0.8%, B: 0.005%~0.020%, Zr: 0.05%~0.30%, Si≤0.5%, Mn≤0.25%, Cu≤0.5%, Fe≤2.5%, Ni: balance. It is prepared through the steps of smelting, refining, thermal processing, solution treatment, drawing and annealing. The invention has the advantages of good mechanical performance, simple and easy preparation process, and reduced investment, thereby achieving the excellent characteristics of low manufacturing cost and high quality.

Description

technical field [0001] The invention belongs to the technical field of nickel-based superalloys, and in particular relates to a high-performance nickel-based superalloy and a manufacturing method thereof. Especially for high-performance nickel-based superalloys strengthened by γ' phase and carbide. Background technique [0002] Inconel713C alloy is a γ'-phase precipitation-strengthened nickel-based cast superalloy. The weight percentage of the alloy chemical composition is (Wt-%): C: 0.08-0.20, Cr: 12.0-14.0, Mo: 3.8-5.2, Nb: 1.8-2.8 , Al: 5.5-6.5, Ti: 0.5-1.0, B: 0.005-0.015, Zr: 0.05-0.15, Si≤0.5, Mn≤0.25, Cu≤0.5, Fe≤2.5, Co≤1.0, Ni: balance. The alloy has the advantages of high creep strength below 980°C, long-term structural stability, hot corrosion resistance and thermal fatigue characteristics, and good casting process performance. At present, it has been widely used in various industrial fields, especially aerospace, shipbuilding, automobile, petrochemical and so on...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C19/05C22C1/02C22C1/06C22F1/10
Inventor 张志伟李振瑞牛永吉傅祖明李明扬柳海波
Owner BEIJING BEIYE FUNCTIONAL MATERIALS CORP
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