CN115821142B - FECRNIVAL high-entropy alloy for nuclear power field machining tool, and preparation method and application thereof - Google Patents
FECRNIVAL high-entropy alloy for nuclear power field machining tool, and preparation method and application thereof Download PDFInfo
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- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 34
- 229910052782 aluminium Inorganic materials 0.000 claims description 33
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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
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Abstract
According to the FECRNIVAL high-entropy alloy for the nuclear power on-site processing cutter and the preparation method thereof, the FECRNIVAL high-entropy alloy is used as a raw material, and a laser additive manufacturing or fusion welding method is adopted to synthesize the high-entropy alloy material, so that differences of thermal expansion coefficients, melting points, elastic moduli and the like among elements can be reduced, the residual stress level in the additive manufacturing process can be reduced, precipitation of hard and brittle phases can be avoided, the manufacturing requirement of the cutter can be met, and the high-strength high-entropy alloy can be manufactured. The FECRNIVAL 0.5 high-entropy alloy, the FECRNIVAL 0.7 high-entropy alloy and the FECRNIVAL high-entropy alloy are used for the cutters, have higher hardness, wear resistance and corrosion resistance, can be widely applied to series of cutters such as drilling, reaming, milling and the like, and particularly, the FECRNIVAL high-entropy alloy can meet the harsher cutter manufacturing and using requirements in a nuclear power station.
Description
Technical Field
The invention relates to FECRNIVAL high-entropy alloy for a nuclear power field machining tool, and a preparation method and application of the FECRNIVAL high-entropy alloy.
Background
With the continuous improvement of requirements of modern advanced manufacturing industry on cutting efficiency and cutting quality, traditional alloys such as Fe-based alloy and Ti-based alloy cannot meet the high requirements on high-speed cutting manufacturing process, and traditional alloy cutters are prepared by preparing materials, preparing carbon-lean alloy powder, preparing sintering matrix, carburizing treatment and firing step by step, or are prepared by crushing, mixing, die pressing and sintering. When a traditional alloy cutter is adopted to perform a cutting experiment related to a nuclear power station, the mechanical property and the corrosion resistance of the nuclear power stainless steel are greatly affected due to the inevitable precipitation of carbon elements, so that the carbon content range of a nuclear power key part is strictly controlled.
Therefore, the inventor needs to research and design a special alloy which has the advantages which are not found in the traditional alloy, can simultaneously give consideration to the excellent qualities of high hardness, high wear resistance, high toughness and the like, adopts the special alloy which does not contain carbon elements to prepare a cutter, and does not cause the increase of carbon content in sampling abrasive dust in the process of drilling when a cutting experiment related to a nuclear power station is carried out, so that key component components can be accurately tested, and the performance is ensured to be reliable.
However, in seeking to manufacture a specific alloy, among the methods for manufacturing different from the conventional alloy, arc melting, powder metallurgy, magnetron sputtering, electroplating, and chemical vapor deposition are commonly used. However, the alloy prepared by arc melting and powder metallurgy requires a large amount of expensive metal powder, and the cost is greatly increased. The alloy prepared by magnetron sputtering, electroplating and chemical vapor deposition has limited thickness, so that the alloy is not suitable for the application of cutters.
In view of this, there is a need for further component optimization, preparation optimization design and research of alloys for tools that can be used in nuclear power plants.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides FECRNIVAL high-entropy alloy for a nuclear power field machining tool and a preparation method.
In order to achieve the above purpose, the invention adopts the following technical scheme: FECRNIVAL high-entropy alloy for nuclear power field machining cutters, wherein the FECRNIVAL high-entropy alloy comprises the following components in percentage by weight:
18-27% of iron;
16-25% of chromium;
16-26% of vanadium;
6-16% of aluminum;
Nickel balance.
Preferably, the FECRNIVAL high-entropy alloy is configured from 23% by weight of iron, 21% by weight of chromium, 24% by weight of nickel, 21% by weight of vanadium and 11% by weight of aluminum.
Preferably, the FECRNIVAL high-entropy alloy is in a powder form, and the granularity of the FECRNIVAL high-entropy alloy powder is 100-350 meshes.
Preferably, the FECRNIVAL high-entropy alloy is in a bulk or thin film form.
Further, the FECRNIVAL high-entropy alloy is obtained through 3D printing and forming.
The second purpose of the invention is to provide a preparation method of FECRNIVAL high-entropy alloy for the nuclear power on-site machining tool.
In order to achieve the above purpose, the invention adopts the following technical scheme: a preparation method of FECRNIVAL high-entropy alloy for nuclear power field machining cutters comprises the following steps:
(1) And (3) batching: preparing metal iron, metal chromium, metal nickel, metal vanadium and metal aluminum according to target components;
(2) Smelting: adding the prepared metal iron, metal chromium, metal nickel, metal vanadium and metal aluminum into an intermediate frequency induction furnace, electrifying and heating to melt the metal iron, the metal chromium, the metal nickel, the metal vanadium and the metal aluminum, and discharging the metal iron, the metal chromium, the metal nickel, the metal vanadium and the metal aluminum after the components are adjusted to be qualified in front of the furnace;
(3) Vacuum gas atomization: atomizing the alloy solution obtained in the step (2) to obtain alloy powder, wherein an atomization medium is argon;
(4) And (3) drying: drying the alloy powder obtained by atomization in the step (3);
(5) And (3) screening: and (3) screening the alloy powder obtained by drying in the step (4) by a screening machine, and screening out the alloy powder with the set required granularity range, namely the required powdered FECRNIVAL high-entropy alloy.
Preferably, the FECRNIVAL high-entropy alloy obtained in the step (5) is sent into a 3D printer to be molded, and FECRNIVAL high-entropy alloy in a block shape or a film shape is obtained and is used as a raw material for cutter fusion welding.
Preferably, the FECRNIVAL high-entropy alloy in powder form obtained in the step (5) is subjected to laser additive manufacturing processing as a cutter raw material.
Preferably, in the smelting process of the step (2), a small amount of prepared metal iron, metal chromium, metal nickel, metal vanadium and metal aluminum ingredients are added into the medium frequency induction furnace, smelting is performed first, and then the rest ingredients are added into the molten alloy solution as feed materials.
The third object of the invention is to provide an application of FECRNIVAL high-entropy alloy for preparing a tool for nuclear power on-site machining tools.
In order to achieve the above purpose, the invention adopts the following technical scheme: the application of the FECRNIVAL 0.5 high-entropy alloy, the FECRNIVAL 0.7 high-entropy alloy and the FECRNIVAL high-entropy alloy for preparing the tool for the nuclear power field machining tool is as described above.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
1. According to the FECRNIVAL high-entropy alloy for the nuclear power on-site processing cutter and the preparation method and application thereof, the FECRNIVAL high-entropy powder is used as a raw material, and a laser additive manufacturing or fusion welding method is adopted to synthesize the high-entropy alloy material, so that differences of thermal expansion coefficients, melting points, elastic moduli and the like among elements can be effectively alleviated, the residual stress level in the additive manufacturing process can be reduced, precipitation of a hard and brittle phase is avoided, the manufacturing requirement of the cutter can be met, and the high-strength high-entropy alloy is manufactured. The FECRNIVAL 0.5 high-entropy alloy, the FECRNIVAL 0.7 high-entropy alloy and the FECRNIVAL high-entropy alloy are used for the cutters, have higher hardness, wear resistance and corrosion resistance, and can be widely applied to series cutters such as drilling, reaming, milling and the like.
2. As a novel technology for preparing the high-entropy alloy, the laser additive manufacturing not only can design various complex shapes, but also can obtain a formed part with compact structure, uniform structure and excellent performance. The grain size of the high-entropy alloy obtained by additive manufacturing is smaller, and the element distribution is uniform. The high-entropy alloy prepared by utilizing laser additive greatly improves the hardness, wear resistance, corrosion resistance and the like of the alloy. The service life of a series of cutters such as drilling, reaming, milling and the like can be prolonged to a certain extent, and particularly, as the components and the preparation process of the high-entropy alloy are not doped with carbon elements, the FeCrNiCuAl high-entropy alloy can meet the severe requirements of manufacturing and using the cutters in a nuclear power station, and the carbon content in sampling abrasive dust can not be increased in the process of drilling when a cutting experiment related to the nuclear power station is carried out, so that the key component components can be accurately tested, and the performance is ensured to be reliable.
Drawings
FIG. 1 is a scanning electron microscope picture of FECRNIVAL 0.5 high-entropy alloy of example 1;
FIG. 2 is a scanning electron microscope picture of FECRNIVAL 0.7 high-entropy alloy of example 1;
FIG. 3 is a scanning electron microscope picture of FECRNIVAL high-entropy alloy of example 1;
FIG. 4 is a scanning electron microscope image of FECRNIVAL high-entropy alloy at a laser power of 800W for example 2;
FIG. 5 is a scanning electron microscope image of FECRNIVAL high-entropy alloy at a laser power of 1000W for example 2;
FIG. 6 is a scanning electron microscope image of FECRNIVAL high-entropy alloy at a laser power of 1200W for example 2;
FIG. 7 is a scanning electron microscope image of FECRNIVAL high-entropy alloy at 1400W laser power for example 2;
FIG. 8 is a scanning electron microscope image of FECRNIVAL high-entropy alloy at a laser power of 1600W for example 2.
Detailed Description
The technical scheme of the invention is further described below.
The invention provides a preparation of FECRNIVAL high-entropy alloy for a nuclear power field machining tool, which comprises the following components in percentage by weight: 18-27% of iron; 16-25% of chromium; 16-26% of vanadium; 6-16% of aluminum; the balance being nickel, which accounts for 19-28%.
The FECRNIVAL high-entropy alloy is a disordered and chaotic high-entropy alloy, has a higher entropy value, and can reduce the energy of a system and improve the stability of the system due to high confusion. The FECRNIVAL high-entropy alloy is used as a cutter material, so that the hardness of the cutter is improved, the wear resistance of the cutter is improved, and the comprehensive performance of the cutter is improved.
The effect of each element in the FECRNIVAL high-entropy alloy is as follows:
elemental iron: the heat of formation in the high-entropy alloy decreases with increasing Fe molar content;
chromium element: the ductility and hardness of the material are improved;
Nickel element: the melting point of the solid solution is reduced, and the laser energy is reduced, so that a heat affected zone can be effectively reduced;
Vanadium element: refining the structure and the crystal grains, and increasing the coarsening temperature of the crystal grains;
Aluminum element: the oxidation resistance of the alloy is improved, and the crystal structure of the alloy is changed.
The FECRNIVAL high-entropy alloy can be in a powder form, the FECRNIVAL high-entropy alloy in the powder form can be processed by utilizing laser additive manufacturing for cutter raw materials, the FECRNIVAL powder is utilized to form a high-entropy alloy material in the additive manufacturing process, the difference of thermal expansion coefficients, melting points, elastic modulus and the like among elements can be effectively slowed down, the residual stress level of the alloy in the additive manufacturing process can be reduced, the hardness and the wear resistance of the alloy are improved, and the manufacturing requirement of a cutter is met.
The FECRNIVAL high-entropy alloy can also be formed into a block shape or a film shape through 3D printing, and the FECRNIVAL high-entropy alloy in the block shape or the film shape is used as a cutter raw material.
The invention also provides a preparation method of the FECRNIVAL high-entropy alloy for the nuclear power field machining tool, which specifically comprises the following process steps:
(1) And (3) batching:
Adopting metallic iron, metallic chromium, metallic nickel, metallic vanadium and metallic aluminum as raw materials, and preparing according to target components;
(2) Smelting:
Adding the prepared metal iron, metal chromium, metal nickel, metal vanadium and metal aluminum into an intermediate frequency induction furnace, and electrifying and heating to melt the metal iron, the metal chromium, the metal nickel, the metal vanadium and the metal aluminum. In the smelting step, small amounts of prepared metal iron, metal chromium, metal nickel, metal vanadium and metal aluminum ingredients are added into a medium-frequency induction furnace, smelting is performed first, and then the rest ingredients are added into the molten alloy solution as feed supplements. When the feed is added, the temperature in the medium frequency induction furnace is controlled at 1500-1550 ℃;
after smelting is finished, discharging after the front adjustment components are qualified, and controlling the discharging temperature at 1450-1500 ℃;
(3) Vacuum gas atomization:
Atomizing the alloy solution obtained in the step (2) to obtain alloy powder, wherein an atomization medium is argon, and the atomization pressure is 2-10 MPa;
(4) And (3) drying:
drying the alloy powder obtained by atomization in the step (3), wherein a far infrared dryer is adopted in the step, and the drying temperature is 200-250 ℃;
(5) And (3) screening:
And (3) screening the alloy powder obtained by drying in the step (4) by a screening machine, and screening out the alloy powder with the set required granularity range, namely the required powdered FECRNIVAL high-entropy alloy. As a preferable scheme, FECRNIVAL high-entropy alloy powder has granularity of 100-350 meshes, and the high-entropy alloy powder with the granularity range is sieved out to be used as finished powder for standby.
The sources of the raw materials used in the invention are not limited, and the raw materials are all commercial products.
The powdery FECRNIVAL high-entropy alloy can be directly used for manufacturing and processing materials by laser additive for cutters; if the material is prepared by fusion welding, the above-mentioned powdered FECRNIVAL high-entropy alloy is formed into a block or film by 3D printing, and then fusion welded into the tool material.
The technical scheme of the invention is further described below by combining specific embodiments:
Example 1
(1) FECRNIVAL 0.5 high entropy alloy
The material is prepared according to the following proportion by weight percent: 24% of iron, 23% of chromium, 25% of nickel, 22% of vanadium and 6% of aluminum. Adding the prepared metal iron, metal chromium, metal nickel, metal vanadium and metal aluminum into an intermediate frequency induction furnace, and electrifying and heating to melt the metal iron, the metal chromium, the metal nickel, the metal vanadium and the metal aluminum, wherein the temperature in the intermediate frequency induction furnace is controlled to be about 1520 ℃. And after the components are adjusted to be qualified in front of the furnace, discharging the furnace, wherein the discharging temperature is 1460 ℃.
And atomizing the alloy melt to prepare alloy powder, wherein an atomization medium is argon, and the atomization pressure is 4MPa. And (3) drying the atomized alloy powder by adopting a far infrared dryer, wherein the drying temperature is 210 ℃. The powder having a particle size range of 100 ～ mesh was then sieved out as a finished powder by a sieve. The finished product powder is directly used as a powdered FECRNIVAL 0.5 high-entropy alloy and is processed by utilizing laser additive manufacturing to be used as a cutter material.
(2) FECRNIVAL 0.7 high entropy alloy
The material is prepared according to the following proportion by weight percent: 24% of iron, 22% of chromium, 25% of nickel, 22% of vanadium and 7% of aluminum. Adding the prepared metal iron, metal chromium, metal nickel, metal vanadium and metal aluminum into an intermediate frequency induction furnace, and electrifying and heating to melt the metal iron, the metal chromium, the metal nickel, the metal vanadium and the metal aluminum, wherein the temperature in the intermediate frequency induction furnace is controlled to be about 1520 ℃. And after the components are adjusted to be qualified in front of the furnace, discharging the furnace, wherein the discharging temperature is 1460 ℃.
And atomizing the alloy melt to prepare alloy powder, wherein an atomization medium is argon, and the atomization pressure is 4MPa. And (3) drying the atomized alloy powder by adopting a far infrared dryer, wherein the drying temperature is 210 ℃. The powder having a particle size range of 100 ～ mesh was then sieved out as a finished powder by a sieve. The finished product powder is directly used as a powdered FECRNIVAL 0.7 high-entropy alloy and is processed by utilizing laser additive manufacturing to be used as a cutter material.
(3) FECRNIVAL high entropy alloy
The material is prepared according to the following proportion by weight percent: 23% of iron, 21% of chromium, 24% of nickel, 21% of vanadium and 11% of aluminum. Adding the prepared metal iron, metal chromium, metal nickel, metal vanadium and metal aluminum into an intermediate frequency induction furnace, and electrifying and heating to melt the metal iron, the metal chromium, the metal nickel, the metal vanadium and the metal aluminum, wherein the temperature in the intermediate frequency induction furnace is controlled to be about 1520 ℃. And after the components are adjusted to be qualified in front of the furnace, discharging the furnace, wherein the discharging temperature is 1460 ℃.
And atomizing the alloy melt to prepare alloy powder, wherein an atomization medium is argon, and the atomization pressure is 4MPa. And (3) drying the atomized alloy powder by adopting a far infrared dryer, wherein the drying temperature is 210 ℃. The powder having a particle size range of 100 ～ mesh was then sieved out as a finished powder by a sieve. The finished product powder is directly used as a powdered FECRNIVAL high-entropy alloy and is processed by utilizing laser additive manufacturing to be used as a cutter material.
The high-entropy alloy with different component proportions is subjected to air cooling at the room temperature of 625 ℃ for x4x1h, and then the Vickers hardness test is carried out, wherein the retention time of the Vickers hardness test is 10s, the test force is 200g, and the test result is as follows:
Vickers hardness test results
The Vickers hardness test results show that: the high-entropy alloy formed by using different component proportions has larger hardness, which indicates that the FECRNIVAL high-entropy alloy still has larger hardness after tempering, improves the hot hardness and the performance, can be used as a cutter material, and can be widely applied to series cutters such as drilling, reaming, milling and the like.
The high-entropy alloy with different component proportions is subjected to fracture toughness test, and the test result is as follows:
Fracture toughness test results
The fracture toughness test results show that the high-entropy alloy with different component proportions has larger bending strength and fracture toughness, and the FECRNIVAL high-entropy alloy has higher fracture toughness, effectively prevents crack growth, can be used as a cutter material, and can be widely applied to series cutters such as drilling, reaming, milling and the like.
Example 2
The material is prepared according to the following proportion by weight percent: 23% of iron, 21% of chromium, 24% of nickel, 21% of vanadium and 11% of aluminum. Adding the prepared metal iron, metal nickel, metal vanadium and metal aluminum into an intermediate frequency induction furnace, and electrifying and heating to melt the metal iron, the metal nickel, the metal vanadium and the metal aluminum, wherein the temperature in the intermediate frequency induction furnace is controlled to be about 1520 ℃. And after the components are adjusted to be qualified in front of the furnace, discharging the furnace, wherein the discharging temperature is 1460 ℃.
And atomizing the alloy melt to prepare alloy powder, wherein an atomization medium is argon, and the atomization pressure is 4MPa. And (3) drying the atomized alloy powder by adopting a far infrared dryer, wherein the drying temperature is 210 ℃. The powder having a particle size range of 100 ～ mesh was then sieved out as a finished powder by a sieve. The finished product powder is directly used as a powdered FECRNIVAL high-entropy alloy and is used as a material for a cutter for laser additive manufacturing and processing.
In this example, FECRNIVAL high-entropy alloys were prepared by varying the laser power, and laser deposition experiments were performed at power of 800w,1000w,1200w,1400 w, 160 w, respectively, to obtain 5 sets of FECRNIVAL high-entropy alloys.
The scanning electron microscope pictures of the FECRNIVAL high-entropy alloy processed under the power of 5 lasers are shown in fig. 4, 5, 6, 7 and 8 respectively, and it can be seen from the graph that the combination is good and no obvious crack appears when the power of the laser in fig. 6 is 1200W, which indicates that the FECRNIVAL high-entropy alloy has better performance.
The high-entropy alloy with different component ratios is subjected to air cooling at 625 ℃ for x4x1h at room temperature, the Vickers hardness test has a bottom retention time of 10s, the test force is 200g, and the test result is as follows:
Vickers hardness test results
The Vickers hardness test results show that: the high-entropy alloy formed by using different component proportions has larger hardness, which indicates that the obtained FECRNIVAL high-entropy alloy still has larger hardness after tempering, improves the hot hardness and the performance of the alloy, and can be used as a cutter material, but we can see that when the laser power is 1200w, the hardness of the obtained material is larger, which indicates that the laser power of 1200w is the optimal parameter for experiments.
Fracture toughness tests are carried out on FECRNIVAL high-entropy alloys obtained under different powers, and the test results are as follows:
Fracture toughness test results
The fracture toughness test results show that the high-entropy alloy with different component ratios has larger bending strength and fracture toughness, which indicates that the FECRNIVAL high-entropy alloy has higher fracture toughness and effectively prevents crack propagation, but we can see that when the laser power is 1200w, the obtained material has particularly outstanding bending strength and fracture toughness, so that the laser power of 1200w is used as the optimal parameter for the experiment.
Example 3
The material is prepared according to the following proportion by weight percent: 23% of metallic iron, 21% of chromium, 24% of nickel, 21% of vanadium and 11% of metallic aluminum. Adding the prepared metal iron, metal chromium, metal nickel, metal vanadium and metal aluminum into an intermediate frequency induction furnace, and electrifying and heating to melt the metal iron, the metal chromium, the metal nickel, the metal vanadium and the metal aluminum, wherein the temperature in the intermediate frequency induction furnace is controlled to be about 1520 ℃. And after the components are adjusted to be qualified in front of the furnace, discharging the furnace, wherein the discharging temperature is 1460 ℃.
And atomizing the alloy melt to prepare alloy powder, wherein an atomization medium is argon, and the atomization pressure is 4MPa. And (3) drying the atomized alloy powder by adopting a far infrared dryer, wherein the drying temperature is 210 ℃. The powder having a particle size range of 100 ～ mesh was then sieved out as a finished powder by a sieve.
And (3) conveying the finished powder into a 3D printer for molding to obtain the high-entropy alloy block. The FECRNIVAL high-entropy alloy obtained by adopting a laser melting method is obtained by adopting laser to melt the joint, can be widely applied to a series of cutters such as drilling, reaming, milling and the like, and particularly, the FECRNIVAL high-entropy alloy can meet the severe cutter manufacturing and using requirements in a nuclear power station.
The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the content of the present invention and to implement the same, but are not intended to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of the present invention.
Claims (7)
1. A preparation method of FECRNIVAL high-entropy alloy for nuclear power field machining cutters is characterized by comprising the following steps:
The method comprises the following steps:
(1) And (3) batching: according to the weight percentage, 18-27% of iron, 16-25% of chromium, 16-26% of vanadium, 6-16% of aluminum and 19-28% of nickel are provided with metal iron, metal chromium, metal vanadium, metal aluminum and metal nickel;
(2) Smelting: adding the prepared metal iron, metal chromium, metal nickel, metal vanadium and metal aluminum into a medium frequency induction furnace, electrifying and heating to melt the metal iron, the metal chromium, the metal nickel, the metal vanadium and the metal aluminum into the medium frequency induction furnace, firstly adding a small amount of the prepared metal iron, the metal chromium, the metal nickel, the metal vanadium and the metal aluminum ingredients into the medium frequency induction furnace, smelting the metal iron, the metal chromium, the metal nickel, the metal vanadium and the metal aluminum ingredients, then adding the rest ingredients into the molten alloy solution as supplementary materials, and discharging the molten alloy solution after the front adjustment ingredients are qualified;
(3) Vacuum gas atomization: atomizing the alloy solution obtained in the step (2) to obtain alloy powder, wherein an atomization medium is argon;
(4) And (3) drying: drying the alloy powder obtained by atomization in the step (3);
(5) And (3) screening: and (3) screening the alloy powder obtained by drying in the step (4) by a screening machine, and screening out the alloy powder with the set required granularity range, namely the required powdered FECRNIVAL high-entropy alloy.
2. The method of manufacturing according to claim 1, characterized in that: delivering FECRNIVAL high-entropy alloy obtained in the step (5) into a 3D printer for molding to obtain FECRNIVAL high-entropy alloy in a block shape or a film shape, wherein the FECRNIVAL high-entropy alloy is used as a raw material required by a cutter.
3. The method of manufacturing according to claim 1, characterized in that: and (3) processing the powdery FECRNIVAL high-entropy alloy obtained in the step (5) by utilizing laser additive manufacturing to make the alloy become a cutter raw material.
4. FECRNIVAL high-entropy alloy for nuclear power field machining cutter is characterized in that: the alloy is prepared by the preparation method of claim 1, wherein the FECRNIVAL high-entropy alloy comprises the following components in percentage by weight:
18-27% of iron;
16-25% of chromium;
16-26% of vanadium;
6-16% of aluminum;
19-28% of nickel.
5. The FECRNIVAL high-entropy alloy for nuclear power field machining tools according to claim 4, wherein: the FECRNIVAL high-entropy alloy is prepared from 23% of iron, 21% of chromium, 24% of nickel, 21% of vanadium and 11% of aluminum by weight percent.
6. The FECRNIVAL high-entropy alloy for nuclear power field machining tools according to claim 4, wherein: the FECRNIVAL high-entropy alloy is in a powder shape, and the granularity of the FECRNIVAL high-entropy alloy powder is 100-350 meshes.
7. The FECRNIVAL high-entropy alloy for nuclear power on-site machining tools according to any one of claims 4 to 6, which can be used for drilling, reaming and milling series products.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105755324A (en) * | 2016-03-02 | 2016-07-13 | 北京理工大学 | High-entropy alloy with high strength and toughness and preparation method thereof |
| CN108193088A (en) * | 2017-12-29 | 2018-06-22 | 北京理工大学 | A kind of precipitation strength type AlCrFeNiV system high-entropy alloys and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105755324A (en) * | 2016-03-02 | 2016-07-13 | 北京理工大学 | High-entropy alloy with high strength and toughness and preparation method thereof |
| CN108193088A (en) * | 2017-12-29 | 2018-06-22 | 北京理工大学 | A kind of precipitation strength type AlCrFeNiV system high-entropy alloys and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| High strength and ductility AlCrFeNiV high entropy alloy with hierarchically heterogeneous microstructure prepared by selective laser melting;Haili Yao等;《Journal of Alloys and Compounds》;第813卷;第1-8页 * |
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Country or region after: China Address after: 215000 136 aigehao Road, Weitang Town, Xiangcheng District, Suzhou City, Jiangsu Province Applicant after: D & M SUZHOU PREC CUTTING TOOLS Co.,Ltd. Address before: 215000 136 aigehao Road, Weitang Town, Xiangcheng District, Suzhou City, Jiangsu Province Applicant before: D&M (SUZHOU) PRECISION CUTTING TOOLS CO.,LTD. Country or region before: China |