CN115821146A - Reinforced high-temperature alloy plate and manufacturing process thereof - Google Patents
Reinforced high-temperature alloy plate and manufacturing process thereof Download PDFInfo
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- CN115821146A CN115821146A CN202211597564.9A CN202211597564A CN115821146A CN 115821146 A CN115821146 A CN 115821146A CN 202211597564 A CN202211597564 A CN 202211597564A CN 115821146 A CN115821146 A CN 115821146A
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- 239000000956 alloy Substances 0.000 title claims abstract description 49
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 48
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 238000005242 forging Methods 0.000 claims abstract description 36
- 238000005096 rolling process Methods 0.000 claims abstract description 15
- 238000003723 Smelting Methods 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims description 36
- 238000001816 cooling Methods 0.000 claims description 21
- 238000002844 melting Methods 0.000 claims description 15
- 230000008018 melting Effects 0.000 claims description 15
- 238000000137 annealing Methods 0.000 claims description 9
- 238000007670 refining Methods 0.000 claims description 9
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 6
- 238000005498 polishing Methods 0.000 claims description 6
- 229910000601 superalloy Inorganic materials 0.000 claims description 4
- 229910052786 argon Inorganic materials 0.000 claims description 3
- 238000011049 filling Methods 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims description 3
- 239000004615 ingredient Substances 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 238000010791 quenching Methods 0.000 claims description 3
- 230000000171 quenching effect Effects 0.000 claims description 3
- 238000010079 rubber tapping Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 abstract description 14
- 239000002184 metal Substances 0.000 abstract description 13
- 239000007789 gas Substances 0.000 description 4
- 230000007123 defense Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910002056 binary alloy Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910002058 ternary alloy Inorganic materials 0.000 description 1
Abstract
The invention relates to the technical field of alloys and discloses a reinforced high-temperature alloy plate, which comprises the following elements in percentage by weight: c is less than or equal to 0.07 percent; si: less than or equal to 0.05 percent; mn: less than or equal to 1.4 percent; p is less than or equal to 0.014%; cr:20 to 21 percent; ni:35 to 38 percent; mo is less than or equal to 2.6 to 3.1 percent; w:4.8-5.7%, nb:1.20-1.50%; b is less than or equal to 0.009%; ce is less than or equal to 0.04 percent; cu is less than or equal to 0.24 percent; the balance of Fe, the reinforced high-temperature alloy plate and the manufacturing process thereof directly adopt vacuum smelting, can minimize the gas content in metal, can prevent the metal from being oxidized, do not need subsequent electroslag remelting to improve the metal purity, greatly simplify the manufacturing process and reduce the cost of enterprises; through multiple times of forging and rolling, the alloy plate provided by the invention has better strength performance and elongation.
Description
Technical Field
The invention relates to the technical field of alloy, in particular to a reinforced high-temperature alloy plate and a manufacturing process thereof.
Background
The alloy is macroscopically uniform, contains a multi-component chemical substance of metal elements, generally has the metal characteristic, any element can be used as an alloy element, but a large amount of metal is still added, the most basic and independent substances forming the alloy are called components or simply called components, the alloy formed by two components is called binary alloy, the alloy formed by three components is called ternary alloy, the alloy formed by more than three components is called multi-component alloy, and in the solid state, the alloy can be in a single phase or a mixture of multiple phases.
The high-temperature alloy has good high-temperature strength, oxidation resistance and corrosion resistance, excellent fatigue resistance and creep resistance, excellent fracture performance and excellent structure stability, and is an irreplaceable key material for modern national defense construction and national economic development. The development of high-temperature alloy is closely related to the development of aeroengines and various industrial gas turbines, and the high-temperature alloy is mainly applied to four hot-end parts, namely a guide device, a turbine blade, a turbine disc and a combustion chamber in the aeroengine. The development of advanced high-temperature alloy materials and processes belongs to the high technical field, and the development level of the high-temperature alloy is one of the signs of the national industrial level and the national defense strength. Advanced countries in the world pay attention to research, production and application of high-temperature alloy, and a great deal of manpower and material resources are invested.
The existing high-temperature alloy contains gas after smelting, so that the metal is oxidized and needs electroslag remelting to improve the metal purity, the manufacturing process is complicated, the cost is high, and meanwhile, the problems of alloy ingot cracking, uneven structure performance and the like caused by different expansion of each phase in the sintering process of a multi-element multi-phase large-size alloy ingot are solved.
Disclosure of Invention
In view of the above technical problems, the present invention provides a reinforced superalloy sheet and a manufacturing process thereof.
In order to achieve the purpose of the invention, the reinforced high-temperature alloy plate comprises the following elements in percentage by weight: c is less than or equal to 0.07 percent; si: less than or equal to 0.05 percent; mn: less than or equal to 1.4 percent; p is less than or equal to 0.014%; cr:20 to 21 percent; ni:35 to 38 percent; mo is less than or equal to 2.6-3.1%; w:4.8-5.7%, nb:1.20 to 1.50 percent; b is less than or equal to 0.009%; ce is less than or equal to 0.04 percent; cu is less than or equal to 0.24 percent; the balance being Fe.
Preferably, the alloy comprises the following elements in percentage by weight: c:0.07 percent; si: :0.01 percent; mn: :1.4 percent; p:0.004%; cr:21 percent; ni:35 percent; mo:3.1 percent; w:4.8%, nb:1.50 percent; b:0.002%; ce:0.04 percent; cu:0.04 percent; the balance being Fe.
Preferably, the alloy comprises the following elements in percentage by weight: c:0.03 percent; si: :0.03 percent; mn: :1.0 percent; p:0.010%; cr:20.5 percent; ni:36 percent; mo:2.8 percent; w:5.1%, nb:1.30 percent; b:0.005 percent; ce:0.02 percent; cu:0.14 percent; the balance being Fe.
Preferably, the alloy comprises the following elements in percentage by weight: c:0.03 percent; si: :0.05 percent; mn: :0.4 percent; p:0.014%; cr:20 percent; ni:38 percent; mo:2.6 percent; w:5.7%, nb:1.20 percent; b:0.009%; ce:0.01 percent; cu:0.24 percent; the balance being Fe.
A manufacturing process of a reinforced high-temperature alloy plate comprises the following steps:
(1) Smelting:
a. all metal materials are required to meet the quality standard and are used after being baked according to a system, and the addition amount of each element is strictly controlled by the ingredients;
b. after charging, closing a furnace cover, vacuumizing to be less than 8 Pa, supplying power for melting, starting low-power melting, finally melting with high power until the melting is clear, tilting the crucible for 3-5 times after the melting is clear, and reducing the power for refining;
c. keeping the refining time for 60 minutes, cooling (power off) to form a film after refining is finished, heating with high power, then reducing the power, and filling argon to 0.7-0.8 atmospheric pressure;
d. tapping temperature is 1460-1560 ℃, and pouring is carried out.
(2) Forging:
a. a first forging step: at the heating temperature of 1100 +/-50 ℃, upsetting and drawing the ingot, cooling the ingot by air after forging, polishing and removing an oxide film on the surface of the ingot after air cooling to form a blank;
b. a second forging step: upsetting and drawing out the blank after the first forging step at the heating temperature of 960 +/-50 ℃, cooling the blank after forging, grinding the blank after air cooling to remove an oxide film on the surface of the blank to form a blank;
c. a third forging step: at the heating temperature of 930 +/-50 ℃, upsetting and drawing out the blank after the second forging step, cooling the blank in air after forging, polishing and removing an oxide film on the surface of the blank after air cooling to form a blank, then returning the blank to the furnace after forging, and forging the blank into a plate blank;
(3) Rolling:
a. a first heat treatment step: rolling the slab at a heating temperature of 1080 +/-80 ℃ to reduce the original thickness of the slab to a first thickness;
b. a second heat treatment step: rolling the slab after the first heat treatment step at the heating temperature of 980 +/-80 ℃ to reduce the first thickness of the slab to a second thickness, and then performing water quenching;
c. a third heat treatment step: and rolling the slab after the second heat treatment step at a heating temperature of 880 +/-80 ℃ to reduce the second thickness of the slab to a third thickness.
(4) Annealing:
and annealing the plate blank to obtain the reinforced high-temperature alloy plate, wherein the annealing temperature is 980-1080 ℃.
Compared with the prior art, the reinforced high-temperature alloy plate designed by the invention and the manufacturing process thereof have the following advantages:
1. the reinforced high-temperature alloy plate and the manufacturing process thereof directly adopt vacuum smelting, can minimize the gas content in metal, can prevent the metal from being oxidized, do not need subsequent electroslag remelting to improve the metal purity, greatly simplify the manufacturing process and reduce the cost of enterprises.
2. According to the reinforced high-temperature alloy plate and the manufacturing process thereof, the alloy plate provided by the invention has better strength performance and elongation rate through multiple forging and multiple rolling.
3. The reinforced high-temperature alloy plate and the manufacturing process thereof have the advantages of simple manufacturing steps, low cost and convenient popularization.
Drawings
None.
Detailed Description
In order to further understand the objects, structures, features and functions of the present invention, the following embodiments are described in detail.
Example 1:
the reinforced high-temperature alloy plate comprises the following components in percentage by weight: c:0.07 percent; si: :0.01 percent; mn: :1.4 percent; p:0.004 percent; cr:21 percent; ni:35 percent; mo:3.1 percent; w:4.8%, nb:1.50 percent; b:0.002%; ce:0.04 percent; cu:0.04 percent; the balance being Fe.
Example 2:
the reinforced high-temperature alloy plate comprises the following components in percentage by weight: c:0.03 percent; si: :0.03 percent; mn: :1.0 percent; p:0.010%; cr:20.5 percent; ni:36 percent; mo:2.8 percent; w:5.1%, nb:1.30 percent; b:0.005 percent; ce:0.02 percent; cu:0.14 percent; the balance being Fe.
Example 3:
the reinforced high-temperature alloy plate comprises the following components in percentage by weight: c:0.03 percent; si: :0.05 percent; mn: :0.4 percent; p:0.014%; cr:20 percent; ni:38 percent; mo:2.6 percent; w:5.7%, nb:1.20 percent; b:0.009%; ce:0.01 percent; cu:0.24 percent; the balance being Fe.
A manufacturing process of a reinforced high-temperature alloy plate comprises the following steps:
(1) Smelting:
a. all metal materials are required to meet the quality standard and are used after being baked according to a system, and the addition amount of each element is strictly controlled by the ingredients;
b. after charging, closing a furnace cover, vacuumizing to be less than 8 Pa, supplying power for melting, starting low-power melting, finally melting with high power until the melting is clear, tilting the crucible for 3-5 times after the melting is clear, and reducing the power for refining;
c. keeping the refining time for 60 minutes, cooling (power off) to form a film after refining is finished, heating with high power, then reducing the power, and filling argon to 0.7-0.8 atmospheric pressure;
d. tapping temperature is 1460-1560 ℃, and pouring is carried out.
(2) Forging:
a. a first forging step: at the heating temperature of 1100 +/-50 ℃, carrying out upsetting-drawing on the cast ingot, carrying out air cooling after forging, and carrying out polishing after air cooling to remove an oxide film on the surface of the cast ingot so as to form a blank;
b. a second forging step: upsetting and lengthening the blank after the first forging step at the heating temperature of 960 +/-50 ℃, cooling the blank in air after forging, and grinding the blank after air cooling to remove an oxide film on the surface of the blank so as to form the blank;
c. a third forging step: at the heating temperature of 930 +/-50 ℃, upsetting and drawing out the blank after the second forging step, cooling the blank in air after forging, polishing and removing an oxide film on the surface of the blank after air cooling to form a blank, then returning the blank to the furnace after forging, and forging the blank into a plate blank;
(3) Rolling:
a. a first heat treatment step: rolling the slab at a heating temperature of 1080 +/-80 ℃ to reduce the original thickness of the slab to a first thickness;
b. a second heat treatment step: rolling the slab after the first heat treatment step at the heating temperature of 980 +/-80 ℃ to reduce the first thickness of the slab to a second thickness, and then performing water quenching;
c. a third heat treatment step: and rolling the slab after the second heat treatment step at a heating temperature of 880 +/-80 ℃ to reduce the second thickness of the slab to a third thickness.
(4) And (3) annealing:
and annealing the plate blank to obtain the reinforced high-temperature alloy plate, wherein the annealing temperature is 980-1080 ℃.
According to the invention, vacuum smelting is directly adopted, so that the gas content in the metal can be minimized, the metal can be prevented from being oxidized, the subsequent electroslag remelting is not needed for improving the metal purity, the manufacturing process is greatly simplified, and the cost of an enterprise is reduced; through multiple times of forging and rolling, the alloy plate provided by the invention has better strength performance and elongation; the manufacturing process has simple steps, low cost and convenient popularization.
The present invention has been described in relation to the above embodiments, which are only exemplary of the implementation of the present invention. It should be noted that the disclosed embodiments do not limit the scope of the invention. Rather, it is intended that all such modifications and variations be included within the spirit and scope of this invention.
Claims (5)
1. The reinforced high-temperature alloy plate is characterized in that the alloy comprises the following elements in percentage by weight: c is less than or equal to 0.07 percent; si: less than or equal to 0.05 percent; mn: less than or equal to 1.4 percent; p is less than or equal to 0.014%; cr:20 to 21 percent; ni:35 to 38 percent; mo is less than or equal to 2.6 to 3.1 percent; w:4.8-5.7%, nb:1.20 to 1.50 percent; b is less than or equal to 0.009%; ce is less than or equal to 0.04 percent; cu is less than or equal to 0.24 percent; the balance being Fe.
2. The reinforced superalloy sheet of claim 1, wherein the alloy comprises the following elements in percentage by weight: c:0.07 percent; si: :0.01 percent; mn: :1.4 percent; p:0.004%; cr:21 percent; ni:35 percent; mo:3.1 percent; w:4.8%, nb:1.50 percent; b:0.002%; ce:0.04 percent; cu:0.04 percent; the balance being Fe.
3. The reinforced superalloy sheet of claim 1, wherein the alloy comprises the following elements in percentage by weight: c:0.03 percent; si: :0.03 percent; mn: :1.0 percent; p:0.010%; cr:20.5 percent; ni:36 percent; mo:2.8 percent; w:5.1%, nb:1.30 percent; b:0.005 percent; ce:0.02 percent; cu:0.14 percent; the balance being Fe.
4. The reinforced superalloy sheet of claim 1, wherein the alloy comprises the following elements in percentage by weight: c:0.03 percent; si: :0.05 percent; mn: :0.4 percent; p:0.014%; cr:20 percent; ni:38 percent; mo:2.6 percent; w:5.7%, nb:1.20 percent; b:0.009%; ce:0.01 percent; cu:0.24 percent; the balance being Fe.
5. The manufacturing process of the reinforced high-temperature alloy plate is characterized by comprising the following steps of:
(1) Smelting:
a. all metal materials are required to meet the quality standard and are used after being baked according to a system, and the addition amount of each element is strictly controlled by the ingredients;
b. after charging, closing a furnace cover, vacuumizing to be less than 8 Pa, supplying power for melting, starting low-power melting, finally melting with high power until the melting is clear, tilting the crucible for 3-5 times after the melting is clear, and reducing the power for refining;
c. keeping the refining time for 60 minutes, cooling (power off) to form a film after refining is finished, heating with high power, then reducing the power, and filling argon to 0.7-0.8 atmospheric pressure;
d. tapping temperature is 1460-1560 ℃, and pouring is carried out.
(2) Forging:
a. a first forging step: at the heating temperature of 1100 +/-50 ℃, carrying out upsetting-drawing on the cast ingot, carrying out air cooling after forging, and carrying out polishing after air cooling to remove an oxide film on the surface of the cast ingot so as to form a blank;
b. a second forging step: upsetting and lengthening the blank after the first forging step at the heating temperature of 960 +/-50 ℃, cooling the blank in air after forging, and grinding the blank after air cooling to remove an oxide film on the surface of the blank so as to form the blank;
c. a third forging step: at the heating temperature of 930 +/-50 ℃, upsetting and drawing out the blank after the second forging step, cooling the blank in air after forging, polishing and removing an oxide film on the surface of the blank after air cooling to form a blank, then returning the blank to the furnace after forging, and forging the blank into a plate blank;
(3) Rolling:
a. a first heat treatment step: rolling the slab at a heating temperature of 1080 +/-80 ℃ to reduce the original thickness of the slab to a first thickness;
b. a second heat treatment step: rolling the slab after the first heat treatment step at the heating temperature of 980 +/-80 ℃ to reduce the first thickness of the slab to a second thickness, and then performing water quenching;
c. a third heat treatment step: and rolling the slab after the second heat treatment step at a heating temperature of 880 +/-80 ℃ to reduce the second thickness of the slab to a third thickness.
(4) Annealing:
and annealing the plate blank to obtain the reinforced high-temperature alloy plate, wherein the annealing temperature is 980-1080 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211597564.9A CN115821146A (en) | 2022-12-12 | 2022-12-12 | Reinforced high-temperature alloy plate and manufacturing process thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211597564.9A CN115821146A (en) | 2022-12-12 | 2022-12-12 | Reinforced high-temperature alloy plate and manufacturing process thereof |
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| CN115821146A true CN115821146A (en) | 2023-03-21 |
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| CN202211597564.9A Pending CN115821146A (en) | 2022-12-12 | 2022-12-12 | Reinforced high-temperature alloy plate and manufacturing process thereof |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09241743A (en) * | 1996-03-07 | 1997-09-16 | Nikko Kinzoku Kk | Production of iron-nickel alloy sheet for shadow mask |
| US20030198567A1 (en) * | 2002-04-17 | 2003-10-23 | Atsuro Iseda | Austenitic stainless steel excellent in high temperature strength and corrosion resistance, heat resistant pressurized parts, and the manufacturing method thereof |
| CN1977060A (en) * | 2004-06-30 | 2007-06-06 | 住友金属工业株式会社 | Fe-Ni alloy pipe stock and method for manufacturing the same |
| JP2020132919A (en) * | 2019-02-14 | 2020-08-31 | 日本製鉄株式会社 | Heat-resistant alloy and method for producing the same |
| CN111910103A (en) * | 2019-05-10 | 2020-11-10 | 大田精密工业股份有限公司 | Titanium alloy sheet material and method for producing same |
| CN113355618A (en) * | 2021-03-26 | 2021-09-07 | 中国科学院金属研究所 | Research method and application of trace element phosphorus in deformation high-temperature alloy |
| CN114540730A (en) * | 2021-12-31 | 2022-05-27 | 北京钢研高纳科技股份有限公司 | High-quality nickel-chromium-iron-based high-temperature alloy plate and preparation method thereof |
-
2022
- 2022-12-12 CN CN202211597564.9A patent/CN115821146A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09241743A (en) * | 1996-03-07 | 1997-09-16 | Nikko Kinzoku Kk | Production of iron-nickel alloy sheet for shadow mask |
| US20030198567A1 (en) * | 2002-04-17 | 2003-10-23 | Atsuro Iseda | Austenitic stainless steel excellent in high temperature strength and corrosion resistance, heat resistant pressurized parts, and the manufacturing method thereof |
| CN1977060A (en) * | 2004-06-30 | 2007-06-06 | 住友金属工业株式会社 | Fe-Ni alloy pipe stock and method for manufacturing the same |
| JP2020132919A (en) * | 2019-02-14 | 2020-08-31 | 日本製鉄株式会社 | Heat-resistant alloy and method for producing the same |
| CN111910103A (en) * | 2019-05-10 | 2020-11-10 | 大田精密工业股份有限公司 | Titanium alloy sheet material and method for producing same |
| CN113355618A (en) * | 2021-03-26 | 2021-09-07 | 中国科学院金属研究所 | Research method and application of trace element phosphorus in deformation high-temperature alloy |
| CN114540730A (en) * | 2021-12-31 | 2022-05-27 | 北京钢研高纳科技股份有限公司 | High-quality nickel-chromium-iron-based high-temperature alloy plate and preparation method thereof |
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| Title |
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| 王荣 等: "管道的腐蚀与控制", 西北工业大学出版社, pages: 46 * |
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