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High-performance easy-to-process nickel-based deformation high-temperature alloy and preparation method thereof

A deformed superalloy and easy-to-process technology, which is applied in the field of high-performance and easy-to-process nickel-based deformed superalloy and its preparation, and can solve problems such as being unsuitable for complex-shaped parts.

Active Publication Date: 2019-12-10
BEIJING BEIYE FUNCTIONAL MATERIALS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The purpose of the present invention is to provide a high-performance and easy-to-process nickel-based deformed superalloy and its preparation method, which solves the problem that the existing traditional nickel-based superalloy is not suitable for manufacturing aero-engines, ground or naval vehicles that serve at temperatures around 940°C or below. Combustion chambers of gas turbines or other complex-shaped components and their welding consumables

Method used

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  • High-performance easy-to-process nickel-based deformation high-temperature alloy and preparation method thereof
  • High-performance easy-to-process nickel-based deformation high-temperature alloy and preparation method thereof
  • High-performance easy-to-process nickel-based deformation high-temperature alloy and preparation method thereof

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Effect test

Embodiment 1

[0058] A high-performance easy-to-process nickel-based deformed superalloy and its preparation method, including C, Cr, Co, Mo, Al, Ti, B, V, Nd, Nb, Fe, Zr, Ni and unavoidable impurities, obtained by actual measurement See Table 1 for the mass percentages of each element and the mass percentages of impurity elements.

[0059] The preparation method of the above-mentioned high-temperature-resistant, long-life and easy-to-process nickel-based deformable superalloy is as follows:

[0060] Raw materials C, Si, Mn, Cr, Co, Mo, Al, Ti, B, V, Nd, Nb, Fe, Zr, Ni are carefully selected and the purity meets the requirements, and the mass percentages are C0.03%, Cr20%, Co10 .5%, Mo9%, Al 1.5%, Ti2.0%, B0.004%, Si0.15%, Mn0.3%, V0.03%, Nd 0.06%, Nb0.1%, Fe1%, Zr0 .01%, the balance being Ni and unavoidable impurities. Put it into a vacuum induction melting furnace, and melt in the vacuum induction melting furnace under the vacuum condition of 0.1-0.6Pa; after all the raw materials are m...

Embodiment 2

[0063] A high-performance easy-to-process nickel-based deformed superalloy and its preparation method, including C, Cr, Co, Mo, Al, Ti, B, V, Nd, Nb, Fe, Zr, Ni and unavoidable impurities, obtained by actual measurement See Table 1 for the mass percentages of each element and the mass percentages of impurity elements.

[0064] The preparation method of the above-mentioned high-temperature-resistant, long-life and easy-to-process nickel-based deformable superalloy is as follows:

[0065] Raw materials C, Si, Mn, Cr, Co, Mo, Al, Ti, B, V, Nd, Nb, Fe, Zr, Ni are selected and the purity meets the requirements, and the mass percentages are C0.06%, Cr19%, Co10 %, Mo8.5%, Al 1.55%, Ti2.0%, B0.0045%, Si0.15%, Mn0.22%, V0.05%, Nd 0.05%, Nb0.26%, Fe1.5% , Zr0.03%, the balance being Ni and unavoidable impurities. Put it into a vacuum induction melting furnace, and melt in the vacuum induction melting furnace under the vacuum condition of 0.1-0.6Pa; after all the raw materials are melte...

Embodiment 3

[0068] A high-performance easy-to-process nickel-based deformed superalloy and its preparation method, including C, Cr, Co, Mo, Al, Ti, B, V, Nd, Nb, Fe, Zr, Ni and unavoidable impurities, obtained by actual measurement See Table 1 for the mass percentages of each element and the mass percentages of impurity elements.

[0069] The preparation method of the above-mentioned high-temperature-resistant, long-life and easy-to-process nickel-based deformable superalloy is as follows:

[0070] Raw materials C, Si, Mn, Cr, Co, Mo, Al, Ti, B, V, Nd, Nb, Fe, Zr, Ni are carefully selected and the purity meets the requirements, and the mass percentages are C0.04%, Cr19%, Co10 %, Mo8.8%, Al 1.65%, Ti2.2%, B0.0045%, Si0.15%, Mn0.15%, V0.12%, Nd 0.1%, Nb0.26%, Fe1.5% , Zr0.03%, the balance being Ni and unavoidable impurities. Put it into a vacuum induction melting furnace, and melt in the vacuum induction melting furnace under the vacuum condition of 0.1-0.6Pa; after all the raw materials ...

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Abstract

The invention discloses a high-performance easy-to-process nickel-based deformation high-temperature alloy and a preparation method thereof and belongs to the technical field of nickel-based deformation high-temperature alloy materials. The chemical elements of the deformation high-temperature alloy comprise, by mass, 0.02-0.08% of C, 18-20% of Cr, 9.1-12% of Co, 8.1-9.1% of Mo, 1.4-1.7% of Al, 1.8-2.25% of Ti, 0.002-0.012% of B, Nb with the mass percent less than or equal to 0.7%, Fe with the mass percent less than or equal to 2%, Zr with the mass percent less than or equal to 0.03%, 0.02-0.5% of V, 0.002-0.1% of Nd and the balance nickel and unavoidable impurities. The high-performance easy-to-process nickel-based deformation high-temperature alloy has the advantages that the demand foroperation at 940 DEG C or below is met, the alloy has four kinds of performance including long high-temperature-resistance service life, creep deformation resistance, good formation processing performance and excellent welding performance, through optimized matching of conventional alloy elements, novel alloy elements Nd and V are introduced, and the aim is achieved.

Description

technical field [0001] The invention belongs to the technical field of nickel-based deformed superalloy materials, and in particular relates to a high-performance and easy-to-process nickel-based deformed superalloy and a preparation method thereof. The high performance is reflected in the alloy's long high-temperature durability and creep resistance, and the ease of processing is reflected in the alloy's good formability and excellent welding performance. The alloy has four performance characteristics of long high-temperature durability, creep resistance, good formability, and excellent welding performance, and is suitable for manufacturing aero-engines, ground or naval gas turbines that serve at temperatures around 940°C and below. Chamber or other complex shape parts and their welding consumables. Background technique [0002] Superalloys refer to a class of metal materials that use iron, cobalt, and nickel as the matrix and can work for a long time at high temperatures ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C19/05C22C1/02C22F1/10
CPCC22C1/023C22C19/055C22F1/10
Inventor 文新理章清泉李国超安宁李振瑞张荣李丽敏刘海稳黄建吴会云魏然
Owner BEIJING BEIYE FUNCTIONAL MATERIALS CORP
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