CN111074133A - Low-activation multi-principal-element solid solution alloy and preparation method thereof - Google Patents
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Abstract
The present invention relates to a metal materialThe technical field of material and preparation, provides a low-activation multi-principal element solid solution alloy and a preparation method thereof, the multi-principal element solid solution alloy consists of low-activation elements Fe, Cr and V or Fe, Cr, V and M, and the atomic percentage expression of the alloy is FeaCrbVcMdM is at least one of the elements Mn, Ti, Zr, W, Ta, Si, B, C and N. The invention ensures the formation of multi-principal-element solid solution phase by utilizing the multi-principal-element high-concentration high-entropy effect and regulating and controlling the content of the constituent elements. The prepared alloy has good thermodynamic stability, radiation resistance and low activation characteristic. Fe of the inventionaCrbVcMdThe low-activation multi-principal element solid solution alloy belongs to a simple body-centered cubic solid solution structure, and the preparation method adopts a smelting method to prepare, so that the requirement of industrial mass production can be met.
Description
Technical Field
The invention relates to the technical field of metal materials and preparation, in particular to a low-activation multi-principal-element solid solution alloy and a preparation method thereof.
Background
The multi-principal-element solid solution alloy shows good radiation resistance in recent years, and provides possibility for the development of advanced structural materials for nuclear reactors. Depending on the service environment of the advanced nuclear reactor, the alloy needs to meet the requirements of high temperature thermal stability, high temperature strength to withstand, and low active element properties for advanced nuclear energy systems, such as fusion reactors.
The currently reported multi-principal element solid solution alloys have some performance deficiencies when applied to advanced nuclear reactors, for example, the high-entropy alloy with a face-centered cubic structure has a phenomenon of severe volume swelling caused by irradiation under high ion irradiation dose (>100dpa), and a large number of face-centered cubic solid solution structures contain high-activation alloy elements such as Co and Ni.
There have been few reports on the development of low-activation multi-principal-element alloys of body-centered cubic solid solution structure for nuclear-energy applications.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a low-activation multi-principal-element solid solution alloy and a preparation method thereof, wherein the multi-principal-element solid solution alloy mainly comprises low-activation elements Fe, Cr, V and M (M is at least one of Mn, Ti, Zr, W, Ta, Si, B, C and N), and meanwhile, the multi-principal-element solid solution alloy is ensured to have a body-centered cubic solid solution structure (BCC structure), high-temperature thermal stability, good high-temperature performance and low-activation performance by utilizing a multi-principal-element effect and regulating and controlling the content of the composition elements according to configuration entropy. Meanwhile, one of the purposes of the invention is to develop a preparation process of the low-activation multi-principal-element solid solution alloy prepared by a smelting method, and the smelting method is simple to prepare and is suitable for industrial production.
The invention adopts the following technical scheme:
a low-activation multi-principal-element solid solution alloy is provided, wherein the atomic percent expression of the low-activation multi-principal-element solid solution alloy is FeaCrbVcMdWherein M is at least one of elements Mn, Ti, Zr, W, Ta, Si, B, C and N, a is more than or equal to 0 and less than or equal to 50, B is more than or equal to 10 and less than or equal to 50, C is more than or equal to 10 and less than or equal to 50, d is more than or equal to 0 and less than or equal to 50, and a + B + C + d is 100.
Furthermore, when M is at least one of elements Ta or W, a is more than or equal to 10 and less than or equal to 35, b is more than or equal to 10 and less than or equal to 35, c is more than or equal to 10 and less than or equal to 35, and d is more than or equal to 0 and less than or equal to 10.
Furthermore, when M is at least one of Ti or Zr, a is more than or equal to 10 and less than or equal to 40, b is more than or equal to 10 and less than or equal to 40, c is more than or equal to 10 and less than or equal to 40, and d is more than or equal to 0 and less than or equal to 10.
Furthermore, when M is Mn or Si, a is more than or equal to 0 and less than or equal to 50, b is more than or equal to 10 and less than or equal to 50, c is more than or equal to 10 and less than or equal to 50, and d is more than or equal to 0 and less than or equal to 50.
Furthermore, when M is B, C or N, a is more than or equal to 10 and less than or equal to 35, b is more than or equal to 10 and less than or equal to 35, c is more than or equal to 10 and less than or equal to 35, and d is more than or equal to 0 and less than or equal to 3.
The invention also provides a preparation method of the low-activation multi-principal-element solid solution alloy, which comprises the steps of accurately weighing the elementary raw materials Fe, Cr, V and M with oxide scales removed on the surface according to the set atomic percentage, alloying and smelting, and cooling the smelted alloy liquid to form an alloy ingot; and then overturning the alloy ingot, and repeatedly smelting for 4 times or more to obtain the low-activation multi-principal-element solid solution alloy with the body-centered cubic solid solution structure.
Further, when M is B, C or N, B, C or N is represented by FeB, CrN or Fe, which are metal borides, carbides3C is added in the form of C and is smelted into a target together with the rest of other metal raw materialsAnd (3) alloying.
Further, the preparation method comprises the following steps:
s1, removing surface oxide skin of the raw materials Fe, Cr, V and M by a mechanical method, accurately weighing according to a set molar ratio, washing cleanly by ultrasonic oscillation in alcohol, and naturally drying;
s2, putting raw materials Fe, Cr, V and M into a high-vacuum arc melting furnace, vacuumizing, filling high-purity argon to a certain atmospheric pressure, vacuumizing again, and filling argon into the furnace chamber; and arc striking, further regulating current in a step mode until the alloy is melted, turning over the alloy ingot after the alloy is cooled, and repeatedly smelting for 4 times or more to prepare the target alloy.
Further, in step S2, the degree of vacuum of the evacuation is 5 × 10-3Pa, the pressure of flushing high-purity argon reaches 0.5 atmosphere.
Further, when M is element B, C, N, FeB and Fe are used3C. CrN is added in the form of powder, and the particle size of the powder is controlled between 200 meshes and 100 meshes.
The invention has the beneficial effects that: the formation of multi-principal-element solid solution phase is ensured by utilizing the multi-principal-element high-concentration high-entropy effect and regulating and controlling the content of the constituent elements. The prepared alloy has good thermodynamic stability, radiation resistance and low activation performance. Fe of the inventionaCrbVcMdThe low-activation multi-principal element solid solution alloy belongs to a simple body-centered cubic solid solution structure, and the preparation method adopts a smelting method to prepare, thereby meeting the requirement of industrialized mass production.
Drawings
FIG. 1 is a comparison of XRD patterns of multi-host solid solution alloys prepared in examples 1-3.
FIG. 2 is a comparison of XRD patterns of multi-host solid solution alloys prepared in examples 4-6.
FIG. 3 is a comparison of XRD patterns for a multi-host solid solution alloy prepared in example 7.
FIG. 4 is a graph comparing stress-strain curves at 800 ℃ under compressive conditions for the multi-host solid solution alloys prepared in examples 1-3.
FIG. 5 is a compressive stress-strain curve at room temperature for the multi-principal element solid solution alloy prepared in example 7.
Detailed Description
Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that technical features or combinations of technical features described in the following embodiments should not be considered as being isolated, and they may be combined with each other to achieve better technical effects. In the drawings of the embodiments described below, like numerals appearing in the various drawings represent like features and are applicable to different embodiments.
In the following examples:
the purity of the raw materials Fe, Cr, V and M is more than or equal to 99.9 wt.%. Wherein said process is conventional unless otherwise specified, and said starting material is commercially available from a public source.
Example 1
Low activation of Fe33.3Cr33.3V33.3The preparation method of the alloy comprises the following steps:
the method comprises the following steps: removing surface oxide skin of metal raw materials Fe, Cr and V by using grinding wheels, sand paper and other methods, accurately weighing according to a set molar ratio, washing the metal raw materials in alcohol by using ultrasonic oscillation, and naturally airing the metal raw materials for subsequent alloy smelting.
Step two: putting 1 part of Fe, 1 part of Cr and 0.5 part of V into a vacuum magnetic suspension water-cooled copper crucible, putting the rest V at a preset position of a cavity, vacuumizing a sample chamber of a vacuum magnetic suspension smelting furnace, and when the vacuum degree reaches 5 multiplied by 10-3After Pa, filling high-purity argon until the pressure in the furnace reaches half atmospheric pressure, performing stepped power induction heating at 40kw, 80kw and 120kw for 2-3 mins, 4-5 mins and 7-8 mins in sequence, and melting the metal raw materials of Fe, Cr and V; at the moment, adding the V raw material placed at the preset position of the cavity into the alloy in a molten state, and performing stepped power induction heating again; inverting the ingot, repeatedly smelting for 2-3 times after all the raw materials are added, and smelting and cooling to obtain the alloy ingot with a single-phase ingot structureBody centered cubic solid solution structure.
Example 2
Low activation of Fe31.25Cr31.25V31.25(TaW)3.125The preparation method of the alloy comprises the following steps:
the method comprises the following steps: removing surface oxide skin of metal raw materials Fe, Cr, V, Ta and W by using a grinding wheel, sand paper and other methods, accurately weighing according to a set molar ratio, washing the metal raw materials in alcohol by using ultrasonic oscillation, and naturally drying the metal raw materials for subsequent alloy smelting.
Step two: and smelting the weighed W metal raw material and Ta metal raw material with higher melting points into an intermediate alloy A1# by adopting a vacuum arc smelting furnace. The rest of the metal raw materials are smelted into intermediate alloy B1 #.
Step three: placing master alloy B1# at the bottom of the non-consumable vacuum arc furnace crucible and master alloy A1# above master alloy B1 #; after the raw materials are placed, a mechanical pump and a molecular pump are started in sequence for vacuumizing, and when the vacuum degree reaches 5 multiplied by 10-3After Pa, the furnace chamber is filled with high-purity argon to half atmospheric pressure, and then the furnace chamber is vacuumized again to 5 multiplied by 10-3And Pa, filling argon into the furnace chamber to half atmospheric pressure, striking an arc, further regulating the current in a stepped mode until the alloy is molten, turning the alloy ingot after the alloy is cooled, and repeatedly smelting for more than 4 times to prepare the target alloy.
Example 3
Low activation of Fe29.41Cr29.41V29.41(TaW)5.88The preparation method of the alloy comprises the following steps:
the method comprises the following steps: removing surface oxide skin of metal raw materials Fe, Cr, V, Ta and W by using a grinding wheel, sand paper and other methods, accurately weighing according to a set molar ratio, washing the metal raw materials in alcohol by using ultrasonic oscillation, and naturally drying the metal raw materials for subsequent alloy smelting.
Step two: and smelting the weighed W metal raw material and Ta metal raw material with higher melting points into an intermediate alloy A2# by adopting a vacuum arc smelting furnace. The rest of the metal raw materials are smelted into intermediate alloy B2 #.
Step three: the master alloy B2# was placed in a crucible of a non-consumable vacuum arc furnaceAt the bottom of the crucible, master alloy A2# was placed on top of master alloy B2 #. After the raw materials are placed, a mechanical pump and a molecular pump are started in sequence for vacuumizing, and when the vacuum degree reaches 5 multiplied by 10-3After Pa, the furnace chamber is filled with high-purity argon to half atmospheric pressure, and then the furnace chamber is vacuumized again to 5 multiplied by 10-3And Pa, filling argon into the furnace chamber to half atmospheric pressure, striking an arc, further regulating the current in a stepped mode until the alloy is molten, turning the alloy ingot after the alloy is cooled, and repeatedly smelting for more than 4 times to prepare the target alloy.
The XRD pattern contrast ratio of the multi-host solid solution alloys prepared in examples 1-3 is shown in FIG. 1; the stress-strain curve of the alloy under a compression condition of 800 ℃ is shown in figure 4.
Example 4
Low activation of Fe31.25Cr31.25V31.25(ZrTi)3.125The preparation method of the alloy comprises the following steps:
the method comprises the following steps: removing surface oxide skin of metal raw materials Fe, Cr, V, Zr and Ti by using grinding wheels, abrasive paper and other methods, accurately weighing according to a set molar ratio, washing the metal raw materials in alcohol by using ultrasonic oscillation, and naturally drying the metal raw materials for subsequent alloy smelting.
Step two: sequentially putting the weighed metal simple substance elements into a water-cooled copper crucible of a high-vacuum arc melting furnace from low to high according to the melting point, and simultaneously putting a high-purity Ti ingot into an empty crucible; firstly, the furnace is vacuumized to 2 x 10-3Pa, then filling high-purity argon (the purity is more than 99 vol%) to 0.5 atmospheric pressure, melting a high-purity Ti ingot by utilizing an arc heating mode to absorb residual oxygen in a furnace chamber, then carrying out alloying melting on metal simple substance elements in a crucible until the alloy is melted, turning over the alloy ingot after the alloy is cooled, and repeatedly melting for 4 times to obtain the low-activation Fe31.25Cr31.25V31.25(ZrTi)3.125Multi-principal element solid solution alloys.
Example 5
Low activation of Fe29.41Cr29.41V29.41(ZrTi)5.88The preparation method of the alloy comprises the following steps:
the method comprises the following steps: removing surface oxide skin of metal raw materials Fe, Cr, V, Zr and Ti by using grinding wheels, abrasive paper and other methods, accurately weighing according to a set molar ratio, washing the metal raw materials in alcohol by using ultrasonic oscillation, and naturally drying the metal raw materials for subsequent alloy smelting.
Step two: sequentially putting the weighed metal simple substance elements into a water-cooled copper crucible of a high-vacuum arc melting furnace from low to high according to the melting point, and simultaneously putting a high-purity Ti ingot into an empty crucible; firstly, the furnace is vacuumized to 2 x 10-3Pa, then filling high-purity argon (the purity is more than 99 vol%) to 0.5 atmospheric pressure, melting a high-purity Ti ingot by utilizing an arc heating mode to absorb residual oxygen in a furnace chamber, then carrying out alloying melting on metal simple substance elements in a crucible until the alloy is melted, turning over the alloy ingot after the alloy is cooled, and repeatedly melting for 4 times to obtain the low-activation Fe29.41Cr29.41V29.41(ZrTi)5.88Multi-principal element solid solution alloy
Example 6
Low activation of Fe27.78Cr27.78V27.78(ZrTi)8.33The preparation method of the alloy comprises the following steps:
the method comprises the following steps: removing surface oxide skin of metal raw materials Fe, Cr, V, Zr and Ti by using grinding wheels, abrasive paper and other methods, accurately weighing according to a set molar ratio, washing the metal raw materials in alcohol by using ultrasonic oscillation, and naturally drying the metal raw materials for subsequent alloy smelting.
Step two: sequentially putting the weighed metal simple substance elements into a water-cooled copper crucible of a high-vacuum arc melting furnace from low to high according to the melting point, and simultaneously putting a high-purity Ti ingot into an empty crucible; firstly, the furnace is vacuumized to 2 x 10-3Pa, then filling high-purity argon (the purity is more than 99 vol%) to 0.5 atmospheric pressure, melting a high-purity Ti ingot by utilizing an arc heating mode to absorb residual oxygen in a furnace chamber, then carrying out alloying melting on metal simple substance elements in a crucible until the alloy is melted, turning over the alloy ingot after the alloy is cooled, and repeatedly melting for 4 times to obtain the low-activation Fe27.78Cr27.78V27.78(ZrTi)8.33Multi-principal element solid solution alloys.
The XRD spectrum pairs of the multi-host solid solution alloys prepared in examples 4 to 6 are shown in fig. 2.
Example 7
Low activated Cr33.3Mn33.3V33.3The preparation method of the alloy comprises the following steps:
the method comprises the following steps: removing surface oxide skin of metal raw materials Cr, Mn and V by using a grinding wheel, abrasive paper and other methods, accurately weighing according to a set molar ratio, washing the metal raw materials clean by using ultrasonic oscillation in alcohol, and naturally airing the metal raw materials for subsequent alloy smelting.
Step two: putting the weighed metal simple substance elements into a water-cooled copper crucible of a high vacuum arc melting furnace from low melting point to high melting point in sequence, and firstly vacuumizing the furnace to 5 multiplied by 10-3Pa, then filling high-purity argon (the purity is more than 99 vol%) to 0.5 atmospheric pressure, melting a high-purity Ti ingot by utilizing an arc heating mode to absorb residual oxygen in a furnace chamber, then carrying out alloying melting on metal simple substance elements in a crucible until the alloy is melted, turning over the alloy ingot after the alloy is cooled, and repeatedly melting for 4 times to obtain the low-activation Cr33.3Mn33.3V33.3Multi-principal element solid solution alloys.
The XRD pattern of the multi-host solid solution alloy prepared in example 7 is shown in FIG. 3, and the compression stress strain curve of the alloy under room temperature is shown in FIG. 5.
Example 8
Low activated Cr15Fe15Mn20V50The preparation method of the alloy comprises the following steps:
the method comprises the following steps: removing surface oxide skin of metal raw materials Fe, Cr, Mn and V by using grinding wheels, sand paper and other methods, accurately weighing according to a set molar ratio, washing the metal raw materials in alcohol by using ultrasonic oscillation, and naturally airing the metal raw materials for subsequent alloy smelting.
Step two: putting the weighed metal simple substance elements into a water-cooled copper crucible of a high vacuum arc melting furnace from low melting point to high melting point in sequence, and firstly vacuumizing the furnace to 5 multiplied by 10-3Pa, and then filling high-purity argon (the purity is more than 99 vol%) to 0.Melting a high-purity Ti ingot to absorb oxygen remained in a furnace chamber by an electric arc heating mode under the atmosphere of 5 atmospheric pressure, then alloying and melting metal simple substance elements in a crucible until the alloy is melted, turning over the alloy ingot after the alloy is cooled, and repeatedly melting for 4 times to obtain the low-activation Cr15Fe15Mn20V50Multi-principal element solid solution alloys.
Example 9
Low activated Cr30Fe10Mn20V40The preparation method of the alloy comprises the following steps:
the method comprises the following steps: removing surface oxide skin of metal raw materials Fe, Cr, Mn and V by using grinding wheels, sand paper and other methods, accurately weighing according to a set molar ratio, washing the metal raw materials in alcohol by using ultrasonic oscillation, and naturally airing the metal raw materials for subsequent alloy smelting.
Step two: putting the weighed metal simple substance elements into a water-cooled copper crucible of a high vacuum arc melting furnace from low melting point to high melting point in sequence, and firstly vacuumizing the furnace to 5 multiplied by 10-3Pa, then filling high-purity argon (the purity is more than 99 vol%) to 0.5 atmospheric pressure, melting a high-purity Ti ingot by utilizing an arc heating mode to absorb residual oxygen in a furnace chamber, then carrying out alloying melting on metal simple substance elements in a crucible until the alloy is melted, turning over the alloy ingot after the alloy is cooled, and repeatedly melting for 4 times to obtain the low-activation Cr30Fe10Mn20V40Multi-principal element solid solution alloys.
The invention takes Fe, Cr and V as main components of the low-activation multi-principal-element solid solution alloy, and adds at least one of Ti, Zr, W, Ta, Si, B, C and N containing Mn as an auxiliary material. Smelting to prepare the low-activation multi-principal-element solid solution alloy taking the BCC structure as a main phase. The method utilizes the multi-principal-element effect, ensures that the multi-principal-element solid solution alloy has a BCC solid solution structure, high-temperature thermal stability, good high-temperature performance and low activation performance by regulating and controlling the content of the constituent elements according to the configuration entropy.
While several embodiments of the present invention have been presented herein, it will be appreciated by those skilled in the art that changes may be made to the embodiments herein without departing from the spirit of the invention. The above examples are merely illustrative and should not be taken as limiting the scope of the invention.
Claims (10)
1. The low-activation multi-principal-element solid solution alloy is characterized in that the atomic percent expression of the low-activation multi-principal-element solid solution alloy is FeaCrbVcMdWherein M is at least one of elements Mn, Ti, Zr, W, Ta, Si, B, C and N, a is more than or equal to 0 and less than or equal to 50, B is more than or equal to 10 and less than or equal to 50, C is more than or equal to 10 and less than or equal to 50, d is more than or equal to 0 and less than or equal to 50, and a + B + C + d is 100.
2. The low activation multi-principal element solid solution alloy according to claim 1, wherein when M is at least one of the elements Ta or W, 10. ltoreq. a.ltoreq.35, 10. ltoreq. b.ltoreq.35, 10. ltoreq. c.ltoreq.35, 0. ltoreq. d.ltoreq.10.
3. The low activation multi-principal element solid solution alloy according to claim 1, wherein when M is at least one of the elements Ti or Zr, 10. ltoreq. a.ltoreq.40, 10. ltoreq. b.ltoreq.40, 10. ltoreq. c.ltoreq.40, 0. ltoreq. d.ltoreq.10.
4. The low activation multi-host solid solution alloy according to claim 1, wherein when M is Mn or Si, 0. ltoreq. a.ltoreq.50, 10. ltoreq. b.ltoreq.50, 10. ltoreq. c.ltoreq.50, and 0. ltoreq. d.ltoreq.50.
5. The low activation multi-pivot solid solution alloy according to claim 1, wherein when M is B, C or N, 10. ltoreq. a.ltoreq.35, 10. ltoreq. b.ltoreq.35, 10. ltoreq. c.ltoreq.35, 0. ltoreq. d.ltoreq.3.
6. A preparation method of the low-activation multi-principal-element solid solution alloy as claimed in any one of claims 1 to 5, characterized in that elemental raw materials Fe, Cr, V and M with oxide scales removed on the surface are accurately weighed according to set atomic percent and are alloyed and smelted, and the smelted alloy liquid is cooled to form an alloy ingot; and then overturning the alloy ingot, and repeatedly smelting for 4 times or more to obtain the low-activation multi-principal-element solid solution alloy with the body-centered cubic solid solution structure.
7. The method of claim 6, wherein when M is B, C or N, B, C or N is FeB, CrN, Fe, respectively3C is added and smelted into the target alloy together with other metal raw materials.
8. The method of producing a low activation multi-host solid solution alloy according to claim 6, comprising the steps of:
s1, removing surface oxide skin of the raw materials Fe, Cr, V and M by a mechanical method, accurately weighing according to a set molar ratio, washing cleanly by ultrasonic oscillation in alcohol, and naturally drying;
s2, putting raw materials Fe, Cr, V and M into a high-vacuum arc melting furnace, vacuumizing, filling high-purity argon to a certain atmospheric pressure, vacuumizing again, and filling argon into the furnace chamber; and arc striking, further regulating current in a step mode until the alloy is melted, turning over the alloy ingot after the alloy is cooled, and repeatedly smelting for 4 times or more to prepare the target alloy.
9. The method for producing a low-activation multiple-host solid solution alloy according to claim 8, wherein in step S2, the degree of vacuum for evacuation is 5 x 10-3Pa, the pressure of flushing high-purity argon reaches 0.5 atmosphere.
10. The method for preparing a low-activation multi-principal-element solid solution alloy according to any one of claims 6 to 9, wherein when M is element B, C, N, FeB, Fe are used3C. CrN is added in the form of powder, and the particle size of the powder is controlled between 200 meshes and 100 meshes.
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| CN112981210A (en) * | 2021-02-09 | 2021-06-18 | 中国科学院近代物理研究所 | Nuclear medium-entropy alloy system and preparation method and application thereof |
| CN113444957A (en) * | 2021-06-24 | 2021-09-28 | 北京航空航天大学 | CrFeNi-based multi-principal-element alloy and preparation method thereof |
| CN114351028A (en) * | 2021-12-03 | 2022-04-15 | 核工业西南物理研究院 | One kind (FeVCrMn)xTiyLow-activation high-entropy alloy and preparation method thereof |
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| CN112981210B (en) * | 2021-02-09 | 2022-04-26 | 中国科学院近代物理研究所 | Nuclear medium-entropy alloy system and preparation method and application thereof |
| CN113444957A (en) * | 2021-06-24 | 2021-09-28 | 北京航空航天大学 | CrFeNi-based multi-principal-element alloy and preparation method thereof |
| WO2023087949A1 (en) * | 2021-11-18 | 2023-05-25 | 华南理工大学 | Hydrogen compression material, preparation method therefor, and use thereof |
| CN114351028A (en) * | 2021-12-03 | 2022-04-15 | 核工业西南物理研究院 | One kind (FeVCrMn)xTiyLow-activation high-entropy alloy and preparation method thereof |
| CN114769600A (en) * | 2022-04-12 | 2022-07-22 | 哈尔滨工业大学 | Si-containing high-entropy alloy powder and preparation method thereof |
| CN114769600B (en) * | 2022-04-12 | 2023-02-10 | 哈尔滨工业大学 | Si-containing high-entropy alloy powder and preparation method thereof |
| CN114574747A (en) * | 2022-04-18 | 2022-06-03 | 西安稀有金属材料研究院有限公司 | Low-activation anti-irradiation and corrosion-resistant high-entropy alloy for nuclear reactor and preparation method thereof |
| CN115161530A (en) * | 2022-07-01 | 2022-10-11 | 安徽中科超核科技有限公司 | Alloy steel and preparation method and application thereof |
| CN115161530B (en) * | 2022-07-01 | 2023-09-29 | 安徽中科超核科技有限公司 | Alloy steel and preparation method and application thereof |
| CN115572882A (en) * | 2022-10-19 | 2023-01-06 | 大连理工大学 | Anti-irradiation low-activation high-entropy alloy, and preparation method and application thereof |
| CN115572882B (en) * | 2022-10-19 | 2023-09-01 | 大连理工大学 | Anti-radiation low-activation high-entropy alloy, and preparation method and application thereof |
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