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High-property nickel-base superalloy and production method thereof

A technology of nickel-based superalloy and manufacturing method, which is applied in the field of high-performance nickel-based superalloy, high-performance nickel-based superalloy and its manufacturing field, can solve the problems such as difficult deformation of cast superalloy, achieve good mechanical properties, excellent quality, The effect of simple and easy preparation process

Active Publication Date: 2016-01-13
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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  • High-property nickel-base superalloy and production method thereof
  • High-property nickel-base superalloy and production method thereof

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...

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 argo...

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PUM

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Abstract

The invention discloses a high-property nickel-base superalloy and a production method thereof and belongs to the technical field of nickel-base superalloys. The high-property nickel-base superalloy comprises, by weight, 0.02-0.10% of C, 9.6-12.0% of Cr, 2.5-4.0% of Mo, 0.6-3.2% of Nb, 1.5-3.2% of Al, 0.1-0.8% of Ti, 0.005-0.020% of B, 0.05-0.30% of Zr, at most 0.5% of Si, at most 0.25% of Mn, at most 0.5% of Cu, at most 2.5% of Fe and the balance Ni. The production method includes the steps of smelting, refining, thermal working, solid solution treatment, drawing, annealing and the like. The high-property nickel-base superalloy and the production method thereof have the advantages that the mechanical property is good, the preparation process is simple and easy to implement, the investment is reduced, and therefore the excellent characteristics of low cost and good qualities can be achieved.

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 Applications(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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