CN115927892A - Vacuum induction melting method for multi-element alloy of high-melting-point elements - Google Patents
Vacuum induction melting method for multi-element alloy of high-melting-point elements Download PDFInfo
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- CN115927892A CN115927892A CN202211472580.5A CN202211472580A CN115927892A CN 115927892 A CN115927892 A CN 115927892A CN 202211472580 A CN202211472580 A CN 202211472580A CN 115927892 A CN115927892 A CN 115927892A
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- 238000002844 melting Methods 0.000 title claims abstract description 84
- 230000008018 melting Effects 0.000 title claims abstract description 76
- 230000006698 induction Effects 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 20
- 229910001325 element alloy Inorganic materials 0.000 title claims abstract description 16
- 229910052751 metal Inorganic materials 0.000 claims abstract description 59
- 239000002184 metal Substances 0.000 claims abstract description 54
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 36
- 239000010959 steel Substances 0.000 claims abstract description 36
- 229910002056 binary alloy Inorganic materials 0.000 claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims abstract description 10
- 229910045601 alloy Inorganic materials 0.000 claims description 16
- 239000000956 alloy Substances 0.000 claims description 16
- 238000003756 stirring Methods 0.000 claims description 15
- 239000007769 metal material Substances 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000011978 dissolution method Methods 0.000 abstract description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 36
- 229910052759 nickel Inorganic materials 0.000 description 15
- 238000003723 Smelting Methods 0.000 description 8
- 239000000654 additive Substances 0.000 description 6
- 230000000996 additive effect Effects 0.000 description 6
- 150000002739 metals Chemical class 0.000 description 4
- 239000010955 niobium Substances 0.000 description 4
- 238000005266 casting Methods 0.000 description 3
- 238000010587 phase diagram Methods 0.000 description 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 229910052758 niobium Inorganic materials 0.000 description 2
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000000289 melt material Substances 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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Abstract
The invention discloses a vacuum induction melting method of a multi-element alloy containing high-melting-point elements, which comprises the following steps: searching low-melting-point metal and high-melting-point metal in the binary alloy AB, adding the low-melting-point metal into the vacuum induction furnace, and starting power transmission when the pressure of a furnace chamber of the vacuum induction furnace is less than or equal to 10 Pa; after the low-melting-point metal is melted down, raising the temperature of the molten steel to a set temperature t1; the invention adds high melting point metal into the vacuum induction furnace, the invention realizes the binary alloy vacuum induction melting containing high melting point metal element by controlling the furnace chamber pressure of the vacuum induction furnace and melting down the low melting point metal and the high melting point metal respectively at different temperatures, firstly adding the low melting point metal and then adding the high melting point metal, and realizing the melting of the materials with the melting point of the low melting point metal lower than 1550 ℃ and the melting point of the binary alloy lower than 1550 ℃ by a dissolution method, meanwhile, the method has simple operation and easy mastering, and is suitable for mass production of production enterprises.
Description
Technical Field
The invention relates to the technical field of smelting of multi-element alloy containing high-melting point elements, in particular to a vacuum induction smelting method of multi-element alloy containing high-melting point elements.
Background
A metallic alloy is a substance with acceleration characteristics, consisting of a metallic element fused with one or several other elements, the most basic, independent substances constituting the alloy being called the constituent elements, called elements for short, which are in most cases the elements constituting the alloy, but also compounds, provided that they do not decompose nor undergo any chemical reaction within the studied range.
The first smelting process of the alloy in the vacuum induction furnace is limited by the temperature resistance of a crucible lining material being lower than 1700 ℃, and is difficult to directly melt materials with the melting point of more than 1600 ℃, however, for most low-melting-point base metals (metals with the melting point of less than or equal to 1550 ℃), the addition of high-melting-point metal elements often plays a role in strengthening the performance of the alloy, and in addition, the melting point of the binary alloy containing the high-melting-point metal elements is often lower than 1550 ℃, so that the proper vacuum induction smelting process can realize the smelting of the binary alloy containing the high-melting-point metal elements.
The invention content is as follows:
the present invention is directed to solving the above problems by providing a vacuum induction melting method for a multi-element alloy containing a high melting point element, which solves the problems mentioned in the background art.
In order to solve the above problems, the present invention provides a technical solution:
a vacuum induction melting method of multi-element alloy containing high melting point elements comprises the following steps:
s1, retrieving low-melting-point metal and high-melting-point metal in the binary alloy AB, adding the low-melting-point metal into a vacuum induction furnace, and starting power transmission when the pressure of a furnace chamber of the vacuum induction furnace is less than or equal to 10 Pa;
s2, after the low-melting-point metal is molten down, raising the temperature of the molten steel to a set temperature t1, wherein the molten-down mark is a solid metal material without macroscopic view on the molten steel surface under the power transmission;
s3, adding high-melting-point metal into the vacuum induction furnace, and raising the temperature of the molten steel to a set temperature t2 after the high-melting-point metal element is dissolved;
s4, stirring the molten steel in the induction furnace by utilizing the power frequency stirring function of the induction furnace under the set temperature of 2;
and S5, adjusting the temperature of the molten steel to a set temperature t3, and then pouring steel.
Preferably, in the binary alloy AB, A is a low-melting-point element, B is a high-melting-point element, the melting point of the pure metal of the element A is a, the melting point of the pure metal of the element B is B, and the melting point of the AB alloy is c.
Preferably, the set temperature t1 is within a range of (a + 50) ° c- (a + 100) ° c.
Preferably, the set temperature t2 is within a range of (c + 50) ° c- (c + 100) ° c.
Preferably, the stirring time of the molten steel in the step S4 is 5-20min.
Preferably, the set temperature t3 is in the range of (c + 40) ° c- (c + 150) ° c.
Preferably, the melting and cleaning marks in S2 and S3 are all solid metal materials with no macroscopic view on the steel liquid surface under the condition of transmitted electric power.
Preferably, the melting point of the low-melting-point metal in S1 is less than or equal to 1550 ℃.
The invention has the beneficial effects that: by controlling the furnace chamber pressure of the vacuum induction furnace, respectively melting down low-melting point pure metal and high-melting point pure metal at different temperatures, firstly adding low-melting point metal and then adding high-melting point metal, and realizing binary alloy vacuum induction melting containing high-melting point metal elements by a dissolution method, the melting point of the low-melting point metal is lower than 1550 ℃, and the melting point of the binary alloy is lower than 1550 ℃, meanwhile, the method is simple to operate and easy to master, and is suitable for large-scale production of production enterprises.
Description of the drawings:
for ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.
FIG. 1 is a schematic flow chart of the present invention.
The specific implementation mode is as follows:
reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. The following description refers to the accompanying drawings in which the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below do not represent all implementations consistent with the present disclosure. Rather, they are merely examples of devices consistent with certain aspects of the present disclosure, as detailed in the appended claims.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the following technical solutions are adopted in the present embodiment:
example (b):
a vacuum induction melting method of multi-element alloy containing high melting point elements comprises the following steps:
s1, retrieving low-melting-point metal and high-melting-point metal in the binary alloy AB, adding the low-melting-point metal into a vacuum induction furnace, and starting power transmission when the pressure of a furnace chamber of the vacuum induction furnace is less than or equal to 10 Pa;
s2, after the low-melting-point metal is molten down, raising the temperature of the molten steel to a set temperature t1, wherein the molten-down mark is a solid metal material without macroscopic view on the molten steel surface under the power transmission;
s3, adding high-melting-point metal into the vacuum induction furnace, and raising the temperature of the molten steel to a set temperature t2 after the high-melting-point metal element is dissolved;
s4, stirring the molten steel in the induction furnace by utilizing the power frequency stirring function of the induction furnace under the set temperature of 2;
and S5, adjusting the temperature of the molten steel to a set temperature t3, and then pouring steel.
The vacuum induction melting of the binary alloy containing the high-melting-point metal element is realized by adding the low-melting-point metal firstly and then adding the high-melting-point metal and matching with a dissolving method, so that the melting point of the low-melting-point metal is lower than 1550 ℃, and the melting of the binary alloy is lower than 1550 ℃.
In the binary alloy AB, A is a low-melting-point element, B is a high-melting-point element, the melting point of the pure metal of the element A is a, the melting point of the pure metal of the element B is B, and the melting point of the AB alloy is c.
Wherein the set temperature t1 is within a range of (a + 50) ° c- (a + 100) ° c.
Wherein the set temperature t2 is within a range of (c + 50) ° c- (c + 100) ° c.
Wherein the stirring time of the molten steel in the step S4 is 5-20min.
Wherein the set temperature t3 is within a range of (c + 40) ° c- (c + 150) ° c.
And the solution marks in the S2 and the S3 are all solid metal materials which are not visible to naked eyes on the liquid level of the steel under the condition of power transmission.
Wherein the melting point of the low-melting-point metal in S1 is less than or equal to 1550 ℃.
Example 1:
melting scheme of Ni45W alloy:
s1, according to 45% of W content of a high-melting-point element in a Ni45W alloy, checking a binary alloy phase diagram, wherein the melting point of the Ni45W alloy is 1500 ℃, the melting point of a pure metal of the Ni element is 1450 ℃, electrolytic nickel is selected as an Ni element additive, a tungsten bar is selected as a W element additive, electrolytic nickel is added into a vacuum induction furnace, power transmission is started to carry out smelting after the pressure of a furnace chamber is less than or equal to 10Pa, and if residual electrolytic nickel is not added, the residual electrolytic nickel is added into the furnace along with the melting of materials in the furnace;
s2, after the electrolytic nickel in the furnace is dissolved, raising the temperature of the molten steel to 1500-1550 ℃;
s3, adding a tungsten bar into the furnace, and raising the temperature of the molten steel to 1550-1600 ℃ after all high-melting-point metals are dissolved;
s4, preserving heat at 1550-1600 ℃, and stirring for 5-20min at the temperature by utilizing the work frequency stirring function of the induction furnace;
and S5, adjusting the temperature of the molten steel to 1540-1650 ℃, and finishing steel casting.
Example 2:
the melting scheme of the Ni50Mo alloy is as follows:
s1, checking a binary alloy phase diagram according to the condition that the content of Mo in a high-melting-point element in Ni50Mo alloy is 50%, the melting point of the Ni50Mo alloy is 1362 ℃, the melting point of a pure metal of the Ni element is 1450 ℃, an electrolytic nickel is selected as an Ni element additive, a molybdenum strip is selected as an Mo element additive, the electrolytic nickel is added into a vacuum induction furnace, power is supplied to the vacuum induction furnace for smelting after the pressure of a furnace chamber is less than or equal to 10Pa, and if the residual electrolytic nickel is not added, the residual electrolytic nickel is added into the furnace along with the melting of materials in the furnace;
s2, after the electrolytic nickel in the furnace is dissolved, raising the temperature of the molten steel to 1500-1550 ℃;
s3, adding molybdenum strips into the furnace, and after all high-melting-point metals are dissolved, raising the temperature of the molten steel to (1412-1462) DEG C;
s4, preserving the heat at the temperature of 1412-1462 ℃, and stirring for 5-20min at the temperature by utilizing the work frequency stirring function of the induction furnace;
s5, adjusting the temperature of the molten steel to 1402-1512 ℃ to finish steel casting.
Example 3:
melting scheme of Ni68Nb alloy:
s1, checking a binary alloy phase diagram according to the condition that the content of a high-melting-point element Nb in the Ni68Nb alloy is 68 percent, wherein the melting point of the Ni68Nb alloy is 1291 ℃, the melting point of a pure Ni element metal is 1450 ℃, an Ni element additive selects electrolytic nickel, an Nb element additive selects a niobium strip, firstly adding the electrolytic nickel into a vacuum induction furnace, starting power transmission for smelting after the pressure of a furnace chamber is less than or equal to 10Pa, and if the residual electrolytic nickel is not added, adding the residual electrolytic nickel into the furnace along with the melting of materials in the furnace;
s2, after the electrolytic nickel in the furnace is dissolved, raising the temperature of the molten steel to 1500-1550 ℃;
s3, adding niobium strips into the furnace, and raising the temperature of the molten steel to (1341-1391) DEG C after all high-melting-point metals are dissolved;
s4, preserving heat at the temperature of (1341-1391) DEG C, and stirring for 5-20min at the temperature by utilizing the work frequency stirring function of the induction furnace;
s5, adjusting the temperature of the molten steel to (1331-1441) DEG C, and finishing steel casting.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope of the disclosure being indicated by the following claims.
Claims (8)
1. A vacuum induction melting method of multi-element alloy containing high melting point elements is characterized by comprising the following steps:
s1, retrieving low-melting-point metal and high-melting-point metal in the binary alloy AB, adding the low-melting-point metal into a vacuum induction furnace, and starting power transmission when the pressure of a furnace chamber of the vacuum induction furnace is less than or equal to 10 Pa;
s2, after the low-melting-point metal is melted down, raising the temperature of the molten steel to a set temperature t1;
s3, adding high-melting-point metal into the vacuum induction furnace, and raising the temperature of the molten steel to a set temperature t2 after the high-melting-point metal element is dissolved;
s4, stirring the molten steel in the induction furnace by utilizing the power frequency stirring function of the induction furnace under the set temperature of 2;
and S5, adjusting the temperature of the molten steel to a set temperature t3, and then pouring steel.
2. The vacuum induction melting method of a multi-element alloy containing high melting point elements as claimed in claim 1, wherein in the binary alloy AB, A is a low melting point element, B is a high melting point element, the melting point of the pure metal of the element A is a, the melting point of the pure metal of the element B is B, and the melting point of the alloy AB is c.
3. The vacuum induction melting method of a multi-element alloy containing a high melting point element as recited in claim 1, wherein said set temperature t1 is within a range of (a + 50) ° c- (a + 100) ° c.
4. The vacuum induction melting method of a multi-element alloy containing a high melting point element as recited in claim 1, wherein said set temperature t2 is within a range of (c + 50) ° c- (c + 100) ° c.
5. The vacuum induction melting method of a multi-element alloy containing a high melting point element as recited in claim 1, wherein the stirring time of the molten steel in S4 is 5-20min.
6. The vacuum induction melting method of a multi-element alloy containing a high melting point element as recited in claim 1, wherein said set temperature t3 is within a range of (c + 40) ° c- (c + 150) ° c.
7. The vacuum induction melting method of a multi-element alloy containing a high melting point element as claimed in claim 1, wherein the melting and cleaning marks in S2 and S3 are both electric power transmission, and the molten steel surface is fleshless
A solid metallic material visible to the eye.
8. The vacuum induction melting method of a multi-element alloy containing a high melting point element as claimed in claim 1, wherein the melting point of the low melting point metal in S1 is 1550 ℃.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003293051A (en) * | 2002-04-01 | 2003-10-15 | Daido Steel Co Ltd | METHOD FOR MANUFACTURING Ti ALLOY CONTAINING LOW MELTING POINT METAL AND REFRACTORY METAL |
| CN105420583A (en) * | 2015-12-11 | 2016-03-23 | 西北工业大学 | Nickel-based quaternary intermediate alloy containing high-melting-point components and preparation method of nickel-based quaternary intermediate alloy |
| CN106756243A (en) * | 2016-11-30 | 2017-05-31 | 承德天大钒业有限责任公司 | A kind of nickel tungsten intermediate alloy and preparation method thereof |
| CN110904363A (en) * | 2019-12-06 | 2020-03-24 | 宿迁学院 | Preparation method of ABX alloy |
| WO2021169074A1 (en) * | 2020-02-28 | 2021-09-02 | 深圳市新星轻合金材料股份有限公司 | Iron-aluminum alloy and preparation method therefor |
| CN115261650A (en) * | 2022-07-20 | 2022-11-01 | 西安聚能高温合金材料科技有限公司 | Preparation process of nickel-chromium intermediate alloy |
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- 2022-11-16 CN CN202211472580.5A patent/CN115927892A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003293051A (en) * | 2002-04-01 | 2003-10-15 | Daido Steel Co Ltd | METHOD FOR MANUFACTURING Ti ALLOY CONTAINING LOW MELTING POINT METAL AND REFRACTORY METAL |
| CN105420583A (en) * | 2015-12-11 | 2016-03-23 | 西北工业大学 | Nickel-based quaternary intermediate alloy containing high-melting-point components and preparation method of nickel-based quaternary intermediate alloy |
| CN106756243A (en) * | 2016-11-30 | 2017-05-31 | 承德天大钒业有限责任公司 | A kind of nickel tungsten intermediate alloy and preparation method thereof |
| CN110904363A (en) * | 2019-12-06 | 2020-03-24 | 宿迁学院 | Preparation method of ABX alloy |
| WO2021169074A1 (en) * | 2020-02-28 | 2021-09-02 | 深圳市新星轻合金材料股份有限公司 | Iron-aluminum alloy and preparation method therefor |
| CN115261650A (en) * | 2022-07-20 | 2022-11-01 | 西安聚能高温合金材料科技有限公司 | Preparation process of nickel-chromium intermediate alloy |
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