CN110885939A - Refined nickel alloy and preparation method thereof - Google Patents
Refined nickel alloy and preparation method thereof Download PDFInfo
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- CN110885939A CN110885939A CN201911310120.0A CN201911310120A CN110885939A CN 110885939 A CN110885939 A CN 110885939A CN 201911310120 A CN201911310120 A CN 201911310120A CN 110885939 A CN110885939 A CN 110885939A
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- nickel alloy
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/03—Alloys based on nickel or cobalt based on nickel
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/023—Alloys based on nickel
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/10—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of nickel or cobalt or alloys based thereon
Abstract
The invention discloses a refined nickel alloy which is characterized by comprising the following components in percentage by weight: mg: 0.57-0.68%, Al: 0.24-0.49%, Ag: 0.33-0.46%, B: 0.19 to 0.27%, Ti: 0.68-0.84%, Mo: 0.23-0.41%, V: 0.79 to 1.14%, Zn: 0.51-0.73% and the balance of Ni, wherein the sum of the weight percentages is 100%. The alloy has high strength and good toughness. The preparation method comprises the following steps: step 1, mixing the raw materials according to the weight percentage; step 2, smelting and refining the raw materials weighed in the step 1 to obtain an ingot; step 3, repeatedly extruding the cast ingot obtained in the step 2, and quenching; step 4, rolling; and 5, carrying out aging heat treatment on the ingot obtained in the step 4 to obtain the alloy ingot.
Description
Technical Field
The invention belongs to the technical field of nickel alloy preparation, and particularly relates to a refined nickel alloy and a preparation method of the refined nickel alloy.
Background
An alloy formed by adding other elements on the basis of nickel. Monel (Monel) alloys, which contained about 30% copper, produced around 1905 were the older nickel alloys. Nickel has good mechanical, physical and chemical properties, and the addition of proper elements can improve the oxidation resistance, corrosion resistance and high-temperature strength of the nickel and improve certain physical properties of the nickel. The nickel alloy can be used as materials for electronic tubes, precision alloys (magnetic alloys, precision resistance alloys, electrothermal alloys, etc.), nickel-based high-temperature alloys, nickel-based corrosion-resistant alloys, shape memory alloys, etc. The nickel alloy has wide application in energy development, chemical engineering, electronics, navigation, aviation, aerospace and other departments.
The toughness of the existing nickel alloy is influenced while the strength performance is met, the strength of the existing nickel alloy is reduced while the toughness is improved, how to obtain the strength performance can meet the production requirement, and the alloy material with good toughness is the focus of the current research.
Disclosure of Invention
The invention aims to provide a refined nickel alloy which has higher strength and good toughness compared with the nickel-aluminum alloy with the prior component.
Another object of the present invention is to provide a method for preparing the above refined nickel alloy.
The technical scheme adopted by the invention is that the refined nickel alloy comprises the following components in percentage by weight: mg: 0.57-0.68%, Al: 0.24-0.49%, Ag: 0.33-0.46%, B: 0.19 to 0.27%, Ti: 0.68-0.84%, Mo: 0.23-0.41%, V: 0.79 to 1.14%, Zn: 0.51-0.73% and the balance of Ni, wherein the sum of the weight percentages is 100%.
The second technical scheme adopted by the invention is that the preparation method of the refined nickel alloy comprises the following steps:
step 1, mixing the following materials in percentage by weight:
mg: 0.57-0.68%, Al: 0.24-0.49%, Ag: 0.33-0.46%, B: 0.19 to 0.27%, Ti: 0.68-0.84%, Mo: 0.23-0.41%, V: 0.79 to 1.14%, Zn: 0.51-0.73% of Ni, and the balance of Ni, wherein the sum of the weight percentages is 100%;
step 2, putting the raw materials weighed in the step 1 into a smelting furnace for smelting, and pouring the smelted nickel alloy melt into a refining furnace for refining to obtain an ingot;
step 3, repeatedly extruding the cast ingot obtained in the step 2 for 3-6 times, and then putting the cast ingot into quenching liquid at the temperature of 20-25 ℃ for quenching treatment;
step 4, rolling the quenched cast ingot at 960-1020 ℃, wherein the rolling pass is 9-12 times;
and 5, carrying out aging heat treatment on the ingot obtained in the step 4 to obtain the alloy ingot.
The present invention is also characterized in that,
in the step 1, the smelting temperature of the nickel alloy raw material is 600-750 ℃.
In the step 1, the refining temperature is 900-1020 ℃, and the refining time is 20-30 min.
In step 3, the extrusion ratio is 5-8.
In step 5, the aging temperature is 500-550 ℃ and the time is 6-7 hours.
The invention has the beneficial effects that:
compared with the nickel-aluminum alloy with the existing components, the refined nickel alloy has higher strength and good toughness due to the combination of the addition of magnesium, aluminum and silver and the specific refining technology; the preparation method is simple and easy for industrial production.
Detailed Description
The present invention will be described in detail with reference to the following embodiments.
The invention provides a refined nickel alloy, which comprises the following components in percentage by weight: mg: 0.57-0.68%, Al: 0.24-0.49%, Ag: 0.33-0.46%, B: 0.19 to 0.27%, Ti: 0.68-0.84%, Mo: 0.23-0.41%, V: 0.79 to 1.14%, Zn: 0.51-0.73% and the balance of Ni, wherein the sum of the weight percentages is 100%.
The invention also provides a preparation method of the refined nickel alloy, which comprises the following steps:
step 1, mixing the following materials in percentage by weight:
mg: 0.57-0.68%, Al: 0.24-0.49%, Ag: 0.33-0.46%, B: 0.19 to 0.27%, Ti: 0.68-0.84%, Mo: 0.23-0.41%, V: 0.79 to 1.14%, Zn: 0.51-0.73% of Ni, and the balance of Ni, wherein the sum of the weight percentages is 100%;
step 2, putting the raw materials weighed in the step 1 into a smelting furnace for smelting, and pouring the smelted nickel alloy melt into a refining furnace for refining to obtain an ingot;
step 3, repeatedly extruding the cast ingot obtained in the step 2 for 3-6 times, and then putting the cast ingot into quenching liquid at the temperature of 20-25 ℃ for quenching treatment;
step 4, rolling the quenched cast ingot at 960-1020 ℃, wherein the rolling pass is 9-12 times;
and 5, carrying out aging heat treatment on the ingot obtained in the step 4 to obtain the alloy ingot.
In the step 1, the smelting temperature of the nickel alloy raw material is 600-750 ℃.
In the step 1, the refining temperature is 900-1020 ℃, and the refining time is 20-30 min.
In step 3, the extrusion ratio is 5-8.
In step 5, the aging temperature is 500-550 ℃ and the time is 6-7 hours.
Example 1
A method of making a refined nickel alloy comprising the steps of:
step 1, mixing the following materials in percentage by weight:
mg: 0.57%, Al: 0.24%, Ag: 0.33%, B: 0.19%, Ti: 0.68%, Mo: 0.23%, V: 0.79%, Zn: 0.51 percent, and the balance of Ni, wherein the sum of the weight percentages is 100 percent;
step 2, putting the raw materials weighed in the step 1 into a smelting furnace for smelting, and pouring the smelted nickel alloy melt into a refining furnace for refining to obtain an ingot;
step 3, repeatedly extruding the cast ingot obtained in the step 2 for 3 times, and then putting the cast ingot into quenching liquid at the temperature of 20 ℃ for quenching treatment;
step 4, rolling the quenched ingot at 960-1020 ℃, wherein the rolling pass is 9 times;
and 5, carrying out aging heat treatment on the ingot obtained in the step 4 to obtain the alloy ingot.
In the step 1, the smelting temperature of the nickel alloy raw material is 600 ℃.
In the step 1, the refining temperature is 900 ℃, and the refining time is 20 min.
In step 3, the extrusion ratio was 5.
In step 5, the aging temperature is 500 ℃ and the time is 6 hours.
The yield strength of the prepared nickel alloy is 498MPa, the tensile strength is 730MPa, and the elongation is 53%.
Example 2
A method of making a refined nickel alloy comprising the steps of:
step 1, mixing the following materials in percentage by weight:
mg: 0.68%, Al: 0.49%, Ag: 0.46%, B: 0.27%, Ti: 0.84%, Mo: 0.41%, V: 1.14%, Zn: 0.73 percent, and the balance of Ni, wherein the sum of the weight percentages is 100 percent;
step 2, putting the raw materials weighed in the step 1 into a smelting furnace for smelting, and pouring the smelted nickel alloy melt into a refining furnace for refining to obtain an ingot;
step 3, repeatedly extruding the cast ingot obtained in the step 2 for 6 times, and then putting the cast ingot into quenching liquid at 25 ℃ for quenching treatment;
step 4, rolling the quenched cast ingot at 1020 ℃ for 12 times;
and 5, carrying out aging heat treatment on the ingot obtained in the step 4 to obtain the alloy ingot.
In the step 1, the smelting temperature of the nickel alloy raw material is 750 ℃.
In the step 1, the refining temperature is 1020 ℃ and the refining time is 30 min.
In step 3, the extrusion ratio was 8.
In step 5, the aging temperature is 550 ℃ and the time is 7 hours.
The yield strength of the prepared nickel alloy is 521MPa, the tensile strength is 740MPa, and the elongation is 49%.
Example 3
A method of making a refined nickel alloy comprising the steps of:
step 1, mixing the following materials in percentage by weight:
mg: 0.59%, Al: 0.29%, Ag: 0.39%, B: 0.21%, Ti: 0.69%, Mo: 0.28%, V: 0.99%, Zn: 0.57 percent, and the balance of Ni, wherein the sum of the weight percentages is 100 percent;
step 2, putting the raw materials weighed in the step 1 into a smelting furnace for smelting, and pouring the smelted nickel alloy melt into a refining furnace for refining to obtain an ingot;
step 3, repeatedly extruding the cast ingot obtained in the step 2 for 5 times, and then putting the cast ingot into quenching liquid at the temperature of 22 ℃ for quenching treatment;
step 4, rolling the quenched ingot at 960-1020 ℃, wherein the rolling pass is 10 times;
and 5, carrying out aging heat treatment on the ingot obtained in the step 4 to obtain the alloy ingot.
In the step 1, the smelting temperature of the nickel alloy raw material is 650 ℃.
In the step 1, the refining temperature is 1000 ℃, and the refining time is 25 min.
In step 3, the extrusion ratio was 7.
In step 5, the aging temperature is 520 ℃ and the time is 7 hours.
The yield strength of the prepared nickel alloy is 519MPa, the tensile strength is 745MPa, and the elongation is 48%.
Example 4
A method of making a refined nickel alloy comprising the steps of:
step 1, mixing the following materials in percentage by weight:
mg: 0.68%, Al: 0.27%, Ag: 0.46%, B: 0.27%, Ti: 0.68%, Mo: 0.23%, V: 0.79%, Zn: 0.73 percent, and the balance of Ni, wherein the sum of the weight percentages is 100 percent;
step 2, putting the raw materials weighed in the step 1 into a smelting furnace for smelting, and pouring the smelted nickel alloy melt into a refining furnace for refining to obtain an ingot;
step 3, repeatedly extruding the cast ingot obtained in the step 2 for 5 times, and then putting the cast ingot into quenching liquid at the temperature of 21 ℃ for quenching treatment;
step 4, rolling the quenched cast ingot at 1020 ℃ for 9 passes;
and 5, carrying out aging heat treatment on the ingot obtained in the step 4 to obtain the alloy ingot.
In the step 1, the smelting temperature of the nickel alloy raw material is 750 ℃.
In the step 1, the refining temperature is 1020 ℃ and the refining time is 30 min.
In step 3, the extrusion ratio was 8.
In step 5, the aging temperature is 500 ℃ and the time is 6 hours.
The yield strength of the prepared nickel alloy is 521MPa, the tensile strength is 710MPa, and the elongation is 54%.
Example 5
A method of making a refined nickel alloy comprising the steps of:
step 1, mixing the following materials in percentage by weight:
mg: 0.68%, Al: 0.49%, Ag: 0.45%, B: 0.27%, Ti: 0.68%, Mo: 0.41%, V: 1.14%, Zn: 0.73 percent, and the balance of Ni, wherein the sum of the weight percentages is 100 percent;
step 2, putting the raw materials weighed in the step 1 into a smelting furnace for smelting, and pouring the smelted nickel alloy melt into a refining furnace for refining to obtain an ingot;
step 3, repeatedly extruding the cast ingot obtained in the step 2 for 3 times, and then putting the cast ingot into quenching liquid at 25 ℃ for quenching treatment;
step 4, rolling the quenched ingot at 960 ℃, wherein the rolling passes are 12 times;
and 5, carrying out aging heat treatment on the ingot obtained in the step 4 to obtain the alloy ingot.
In the step 1, the smelting temperature of the nickel alloy raw material is 600 ℃.
In the step 1, the refining temperature is 1020 ℃ and the refining time is 30 min.
In step 3, the extrusion ratio was 8.
In step 5, the aging temperature is 550 ℃ and the time is 6 hours.
The yield strength of the prepared nickel alloy is 530MPa, the tensile strength is 729MPa, and the elongation is 49%.
Claims (6)
1. A refined nickel alloy, characterized in that it consists of, in weight percent: mg: 0.57-0.68%, Al: 0.24-0.49%, Ag: 0.33-0.46%, B: 0.19 to 0.27%, Ti: 0.68-0.84%, Mo: 0.23-0.41%, V: 0.79 to 1.14%, Zn: 0.51-0.73% and the balance of Ni, wherein the sum of the weight percentages is 100%.
2. A preparation method of refined nickel alloy is characterized by comprising the following steps:
step 1, mixing the following materials in percentage by weight:
mg: 0.57-0.68%, Al: 0.24-0.49%, Ag: 0.33-0.46%, B: 0.19 to 0.27%, Ti: 0.68-0.84%, Mo: 0.23-0.41%, V: 0.79 to 1.14%, Zn: 0.51-0.73% of Ni, and the balance of Ni, wherein the sum of the weight percentages is 100%;
step 2, putting the raw materials weighed in the step 1 into a smelting furnace for smelting, and pouring the smelted nickel alloy melt into a refining furnace for refining to obtain an ingot;
step 3, repeatedly extruding the cast ingot obtained in the step 2 for 3-6 times, and then putting the cast ingot into quenching liquid at the temperature of 20-25 ℃ for quenching treatment;
step 4, rolling the quenched cast ingot at 960-1020 ℃, wherein the rolling pass is 9-12 times;
and 5, carrying out aging heat treatment on the ingot obtained in the step 4 to obtain the alloy ingot.
3. The method for preparing a refined nickel alloy as claimed in claim 2, wherein the melting temperature of the nickel alloy raw material in step 1 is 600-750 ℃.
4. A preparation method of a refined nickel alloy as claimed in claim 2, characterized in that in step 1, the refining temperature is 900-1020 ℃ and the refining time is 20-30 min.
5. A method of producing a refined nickel alloy as claimed in claim 2, wherein in step 3, the extrusion ratio is in the range of 5 to 8.
6. A process according to claim 2, wherein in step 5, the ageing temperature is in the range 500 ℃ to 550 ℃ for 6 to 7 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201911310120.0A CN110885939A (en) | 2019-12-18 | 2019-12-18 | Refined nickel alloy and preparation method thereof |
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| CN201911310120.0A CN110885939A (en) | 2019-12-18 | 2019-12-18 | Refined nickel alloy and preparation method thereof |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103014416A (en) * | 2012-12-14 | 2013-04-03 | 江苏远航精密合金科技股份有限公司 | High-precision high-width nickel-base material strip or foil and preparation method thereof |
| CN107338369A (en) * | 2017-07-14 | 2017-11-10 | 无锡隆达金属材料有限公司 | Monel bar and preparation method thereof |
-
2019
- 2019-12-18 CN CN201911310120.0A patent/CN110885939A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103014416A (en) * | 2012-12-14 | 2013-04-03 | 江苏远航精密合金科技股份有限公司 | High-precision high-width nickel-base material strip or foil and preparation method thereof |
| CN107338369A (en) * | 2017-07-14 | 2017-11-10 | 无锡隆达金属材料有限公司 | Monel bar and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 康喜范: "《镍及其耐蚀合金》", 30 November 2016, 冶金工业出版社 * |
| 陈国良: "《高温合金学》", 31 May 1988, 冶金工业出版社 * |
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Application publication date: 20200317 |