CN109023002A - A kind of silicon solution strengthening VNbMoTaSi high-entropy alloy and preparation method thereof - Google Patents
A kind of silicon solution strengthening VNbMoTaSi high-entropy alloy and preparation method thereof Download PDFInfo
- Publication number
- CN109023002A CN109023002A CN201810925567.8A CN201810925567A CN109023002A CN 109023002 A CN109023002 A CN 109023002A CN 201810925567 A CN201810925567 A CN 201810925567A CN 109023002 A CN109023002 A CN 109023002A
- Authority
- CN
- China
- Prior art keywords
- alloy
- vnbmotasi
- entropy
- entropy alloy
- solution strengthening
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Silicon Compounds (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The present invention relates to a kind of silicon solution strengthening VNbMoTaSi high-entropy alloys and preparation method thereof, belong to metal material and its preparation field.The atomic percent expression formula of this kind of alloying component is VaNbbMocTadSie, wherein 20≤a≤35,20≤b≤35,20≤c≤35,20≤d≤35,0.01≤e≤3.Required raw material is pure metal, and Si is added in the form of elementary silicon.After raw material scale removal, it is put into vacuum arc furnace ignition and carries out melting, after melting 4~6 times, can get the solid solution alloy of single-phase BCC mechanism.Si is dissolved into VNbMoTa lattice by the present invention, improves the room temperature and elevated temperature strength of high-entropy alloy significantly.Especially (VNbMoTa)97.5Si2.5Still with the yield strength for being more than 1Ga at 1200 DEG C, better than the infusibility high-entropy alloy for other systems reported at present.
Description
Technical field
The present invention relates to a kind of silicon solution strengthening VNbMoTaSi high-entropy alloy and preparation method thereof, belong to metal material and
Its preparation field.
Background technique
High temperature alloy, which refers to, can undertake load in 550 DEG C and temperatures above, and have centainly anti-oxidant and anticorrosive
The important materials of behavior are the important foundations for manufacturing the engines such as automobile, aviation, rocket.The design side of traditional high temperature alloy
Method adds a small amount of other elements and forms solid solution or the second phase mainly based on one or two kinds of metallic elements, make its
High intensity is able to maintain under high temperature.The high temperature alloy of this method exploitation is mainly based on Ni base, Co base and Fe base, at 600 DEG C
~1000 DEG C have good application.But due to itself fusing point of these elements, it is lower than 1100 DEG C mostly using temperature.
With the development need of national Major Strategic, to more stringent requirements are proposed in terms of engine power, this just needs material can
It is on active service at higher temperatures, the research and development of novel high-temperature alloy are extremely urgent.
The new alloy concept of the luxuriant proposition of China in Recent Years Taiwan's scholars leaf, i.e. high-entropy alloy, cause extensive pass
Note.High-entropy alloy is a kind of novel alloy with a variety of pivots and simple phase structure, has high intensity, high rigidity, low creep
The advantages of.The composition high-entropy alloy element reported at present concentrates on Co, Cr, Fe, Ni, Al, Cu and V, Nb, Mo, Ta, W, Hf member
Element etc..The high-entropy alloy being made of the latter is because fusing point is higher, also known as infusibility high-entropy alloy, and applying in high-temperature material field has more
Big advantage.
The infusibility high-entropy alloy of MoNbTaVW, MoNbTaW series most noticeable at present, is able to maintain super at 1200 DEG C
Cross the yield strength of 500MPa.But the W element fusing point and density contained is excessively high, and material is also easy to produce in vacuum melting furnace fusion process
Defect, prepared above-mentioned alloy density are more than 12g/cm3.For this problem, the present invention selects five kinds of excellent V, Nb, Mo, Ta, Si
Element designs a novel VNbMoTaSi infusibility high-entropy alloy.It is dissolved in lattice using a small amount of silicon atom, so that closing
Gold intensity with higher under ultra-high temperature condition.Additionally, due to do not contain W element, alloy vacuum melting furnace fusion process compared with
For densification, material plasticity deformability is better than VNbMoTaW alloy.Engine efficiency is further being promoted, the present invention is solving material
Expect that there is certain application in terms of high temperature resistant.
Summary of the invention
A kind of silicon solution strengthening VNbMoTaSi high-entropy alloy of the purpose of the present invention and preparation method thereof, the alloy have height
Intensity, low creep VaNbbMocTadSieThe characteristics of, and this kind of alloy has simple body-centered cubic structure, with Si element
It is added, alloy remains to remain above the intensity of 1GPa at a high temperature of 1200 DEG C.
The purpose of the present invention is what is be achieved through the following technical solutions.
High-entropy alloy system of the invention is VaNbbMocTadSie, required raw material are pure metal vanadium, niobium, zirconium, titanium
And HIGH-PURITY SILICON.Melting is carried out using techniques such as vacuum non-consumable arc furnace meltings, can be obtained with simple body-centered cubic knot
The high-entropy alloy of structure.
A kind of silicon solution strengthening VNbMoTaSi high-entropy alloy, the atomic percent expression formula of the alloying component are
VaNbbMocTadSie, wherein 20≤a≤35,20≤b≤35,20≤c≤35,20≤d≤35,0.01≤e≤3, and a+b+c+d
+ e=100；
Further, the atomic percent expression formula of the high entropy alloy material ingredient is VaNbbMocTadSie, a=b=c
=d=24.875, e=0.5.
Further, the atomic percent expression formula of the high entropy alloy material ingredient is VaNbbMocTadSie, a=b=c
=d=24.625, e=1.5.
Further, the atomic percent expression formula of the high entropy alloy material ingredient is VaNbbMocTadSie, a=b=c
=d=24.375, e=2.5.
A kind of preparation method of silicon solution strengthening VNbMoTaSi high-entropy alloy, specifically includes the following steps:
Step 1: selection metallurgical raw material V, Nb, Mo, Ta expose light using the oxide skin on abrasive machine removal raw material surface
Bright metal surface, it is spare.
Step 2: by processed V, Nb, Mo, Ta metal of step 1 according to alloy expression formula VaNbbMocTadSieConversion
Proportion weighing is carried out at mass percent, Si element is added with block-like elemental silicon, and purity is not less than 99.99%.It will weigh
Raw material ultrasonic cleaning instrument in clean 20 minutes.
Step 3: the raw material that will be handled well, is put into non-consumable high vacuum melting furnace copper crucible according to the height of fusing point.
Fire door is closed, cooling water is opened, sample room is vacuumized.When chamber vacuum degree is 2.5*10-3When Pa, stop vacuumizing,
Being passed through solubility is 0.05~0.08MPa argon gas.
Step 4: opening arc welder, first by the pure titanium melting in one of copper crucible, it is indoor residual to absorb sample
Residual air body.Then to the V in each crucibleaNbbMocTadSieAlloy carries out melting, and it is 1.5~3 that alloy, which is kept for the time of liquid,
Minute.Twice of magnetic stirring is at least opened in fusion process, guarantees the good mixing of metallic atom.To it after alloy melting
It is cooling, take out ingot casting.
Beneficial effect
1, alloy prepared by the present invention has high-intensitive, high rigidity characteristic；There is low creep, softening resistance at high temperature
Good feature.
2, the present invention kind joined minimal amount of Si, and room-temperature yield strength is more than 1600MPa, bend at a high temperature of 1200 DEG C
Taking intensity is more than 1GPa.
Detailed description of the invention
Fig. 1 is X-ray diffraction (XRD) figure of VNbMoTaSi prepared by the present invention；
Fig. 2 is the backscattered electron picture of VNbMoTaSi prepared by the present invention
Fig. 3 is the room temperature compressive stress strain curve of VNbMoTaSi prepared by the present invention:
Fig. 4 is the load-deformation curve that VNbMoTaSi prepared by the present invention compresses at 1000 DEG C:
Fig. 5 is the load-deformation curve that VNbMoTaSi prepared by the present invention compresses at 1200 DEG C.
Specific embodiment
The invention will be further described with embodiment with reference to the accompanying drawing.
1. the ingredient of alloy designs and preparation
The alloying component for designing different silicone contents is (VNbMoTa)100-xSix, wherein x=0,0.5,1.5,2.5.It uses respectively
Si-0, Si-0.5, Si-1.5 and Si-2.0 are indicated.In order to embody Si in the effect of VNbMoTa, Si-0 is in identical preparation condition
Under as a comparison, but not in the scope of the present invention.
The high entropy alloy material is VaNbbMocTad, wherein a=b=c=d=25.0.
The high entropy alloy material is VaNbbMocTadSie, wherein a=b=c=d=24.875, e=0.5.
The high entropy alloy material is VaNbbMocTadSie, wherein a=b=c=d=24.625, e=1.5.
The high entropy alloy material is VaNbbMocTadSie, wherein a=b=c=d=24.375, e=2.5.
A kind of preparation method of silicon solution strengthening VNbMoTaSi high-entropy alloy, the specific steps are as follows:
Step 1: selection metallurgical raw material V, Nb, Mo, Ta expose light using the oxide skin on abrasive machine removal raw material surface
Bright metal surface, it is spare.Ready raw material are weighed according to the mass fraction of each element of table 1, element silicon with
The form of blocky elemental silicon is added.
Step 2: load weighted raw material is sequentially placed into non-consumable vacuum melting furnace copper crucible according to the height of fusing point.
Fire door is closed, cooling water is opened, starts to vacuumize, until chamber vacuum degree is 2.5*10-3Stop after Pa.Arc welder is opened, it is first
First by the pure titanium melting in one of copper crucible, the indoor residual gas of sample is absorbed.Then in each crucible
VaNbbMocTadSieAlloy carries out melting, and it is 1.5~3 minutes that alloy, which is kept for the time of liquid,.It is at least opened in fusion process
Twice of magnetic stirring, guarantees the good mixing of metallic atom.To its cooling after alloy melting, ingot casting is taken out.
The mass fraction of each element of 1 VNbMoTaSi high-entropy alloy system of table
2. the institutional framework and performance of alloy
1) microstructure and crystal species analysis
Using wire cutting button ingot center take out 4mm × 4mm × 4mm sample, sample is successively used 150#, 400#,
The grinding of 800#, 1000#, 1200#, 1500#, 2000# sand paper, then uses CrO3The polishing of suspension polishing liquid.Use D8-
Advanced X-ray analyzer is to sample Phase Structure Analysis.Scanning step is 0.02S-1, scanning angle are as follows: 20 °~90 °.Back
It scatters secondary electron analysis and uses HITACHIS4800 scanning electron microscope.
Test results are shown in figure 1 for XRD diffraction maximum, and all alloys are single phase BCC structure, has no Precipitation of Silicide.
It can be seen that (Fig. 2) from backscattered electron picture, V, Nb, Mo, Ta element are uniformly distributed, without obvious contrast.Multi-principal elements alloy tool
There is high entropy effect, improves the stability of solid solution phase, and Si atom (atomic radius close with V, Nb, Mo, Ta atomic radius
Poor δ < 5.0%).Therefore Si is dissolved into lattice without forming silicide.
2) room temperature quasistatic compression performance
In Si-0, Si-0.5, Si-1.5,4 × 6 cylinder of φ is taken out using wire cutting in Si-2.5 alloy cast ingot centre
Sample, it is with lathe that two end faces processing of cylinder is smooth.Room temperature compression is carried out on Instron5569 electronic universal tester
Test, loading speed 0.36mm/min, test load are 4500kg.Every group of alloy at least carries out 3 groups of experiments, obtains alloy
Room temperature compression performance.Test Si-0 obtained, Si-0.5, Si-1.5, Si-2.5 Compressing Engineering stress-strain diagram such as Fig. 3
Shown, quasistatic compression performance is summarised in table 2.With the addition of Si element, alloy compression yield strength, which has, significantly to be mentioned
It rises, but plasticity declines.Though intermediate compound is not formed between Si element and other refractory elements, formed key between
Between metallic bond and covalent bond, the intensity and hardness of alloy can be obviously improved.
2 VNbMoTaSi high-entropy alloy system room temperature Compressive Mechanical Properties of table
3) high temperature (1000 DEG C, 1200 DEG C) compression performance
By Si-0, Si-0.5, Si-1.5, Si-2.5 alloy cast ingot takes out the circle of φ 6 × 9 using wire cutting in centre
Column sample, it is with lathe that two end faces processing of cylinder is smooth.High temperature compressed experiment is in Gleeble-3500 hot modeling test machine
Upper progress, maximum load load are 60KN.Test uses platinum rhodium thermocouple, and alloy strain rate is 10-3S-1, alloy decrement sets
It is set to 50%.Heating temperature is respectively set as 1000 DEG C and 1200 DEG C, and heating rate is 5 DEG C/S, soaking time 3min.Experiment
Si-0 obtained, Si-0.5, Si-1.5, Si-2.5 alloy is in 1000 DEG C of compression performance as shown in figure 4, at 1200 DEG C
Compressive property is as shown in Figure 5.High-temperature behavior detailed data is summarised in table 2
It can be seen from Fig. 4 and table 3 at high temperature, the plasticity of VNbMoTaSi system high-entropy alloy makes moderate progress.With Si
Content increases, and the bating effect of alloy is not fairly obvious, and Si-2.5 alloy remains to remain above bending for 1GPa at 1200 DEG C
Take intensity.Si atom is solid-solubilized in the lattice of VNbMoTaSi system alloy, can effectively inhibit the expansion between element at high temperature
It dissipates.
Table 3 VNbMoTaSi high-entropy alloy system high temperature (1000 DEG C, 1200 DEG C) Compressive Mechanical Properties
It is the explanation of preferred embodiment for the present invention above.Here, it should be noted is that, the present invention not office
It is limited to above embodiments, it, can be to this hair in the case where meeting the area requirements such as claims, summary of the invention and attached drawing
Any modification, same replacement made by bright or improvement etc., should be included within the scope of the present invention.
Claims (5)
1. a kind of silicon solution strengthening VNbMoTaSi high-entropy alloy, it is characterised in that: the atomic percent of the alloying component is expressed
Formula is VaNbbMocTadSie, wherein 20≤a≤35,20≤b≤35,20≤c≤35,20≤d≤35,0.01≤e≤3, and a+b
+ c+d+e=100.
2. a kind of silicon solution strengthening VNbMoTaSi high-entropy alloy as described in claim 1, it is characterised in that: the high entropy closes
The atomic percent expression formula of golden material composition is VaNbbMocTadSie, a=b=c=d=24.875, e=0.5.
3. a kind of silicon solution strengthening VNbMoTaSi high-entropy alloy as described in claim 1, it is characterised in that: the high entropy closes
The atomic percent expression formula of golden material composition is VaNbbMocTadSie, a=b=c=d=24.625, e=1.5.
4. a kind of silicon solution strengthening VNbMoTaSi high-entropy alloy as described in claim 1, it is characterised in that: the high entropy closes
The atomic percent expression formula of golden material composition is VaNbbMocTadSie, a=b=c=d=24.375, e=2.5.
5. preparing a kind of method of silicon solution strengthening VNbMoTaSi high-entropy alloy as described in claim 1, it is characterised in that: tool
Steps are as follows for body:
Step 1: selection metallurgical raw material V, Nb, Mo, Ta expose light using the oxide skin on abrasive machine removal raw material surface
Metal surface, it is spare；
Step 2: by processed V, Nb, Mo, Ta metal of step 1 according to alloy expression formula VaNbbMocTadSieIt is converted into quality
Percentage carries out proportion weighing, and Si element is added with block-like elemental silicon, and purity is not less than 99.99%；By load weighted raw material
It is cleaned 20 minutes in ultrasonic cleaning instrument；
Step 3: the raw material that will be handled well, is put into non-consumable high vacuum melting furnace copper crucible according to the height of fusing point；It closes
Fire door is opened cooling water, is vacuumized to sample room；When chamber vacuum degree is 2.5*10-3When Pa, stops vacuumizing, be passed through
Concentration is 0.05~0.08MPa argon gas；
Step 4: opening arc welder, first by the pure titanium melting in one of copper crucible, the indoor residual gas of sample is absorbed
Body；Then to the V in each crucibleaNbbMocTadSieAlloy carries out melting, and it is 1.5~3 minutes that alloy, which is kept for the time of liquid,；
Twice of magnetic stirring is at least opened in fusion process, guarantees the good mixing of metallic atom；It is cooled down after alloy melting to it,
Take out ingot casting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810925567.8A CN109023002B (en) | 2018-08-15 | 2018-08-15 | Silicon solid solution reinforced VNbMoTaSi high-entropy alloy and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810925567.8A CN109023002B (en) | 2018-08-15 | 2018-08-15 | Silicon solid solution reinforced VNbMoTaSi high-entropy alloy and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109023002A true CN109023002A (en) | 2018-12-18 |
| CN109023002B CN109023002B (en) | 2020-04-17 |
Family
ID=64631225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810925567.8A Active CN109023002B (en) | 2018-08-15 | 2018-08-15 | Silicon solid solution reinforced VNbMoTaSi high-entropy alloy and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109023002B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110438387A (en) * | 2019-09-23 | 2019-11-12 | 河南工业大学 | Precipitation of Silicide strengthens infusibility high-entropy alloy and preparation method thereof |
| CN113046614A (en) * | 2021-03-08 | 2021-06-29 | 西南交通大学 | NbMoHfTiZrAlSi refractory high-entropy alloy and preparation method thereof |
| CN113667875A (en) * | 2021-07-28 | 2021-11-19 | 中国科学院金属研究所 | MoNbTaTiVSix high-entropy alloy and preparation method thereof |
| CN113976898A (en) * | 2021-10-29 | 2022-01-28 | 康硕(德阳)智能制造有限公司 | High-entropy alloy powder for 3D printing and preparation method thereof |
| CN115838890A (en) * | 2022-12-13 | 2023-03-24 | 中国科学院金属研究所 | Method for improving high-temperature oxidation resistance of AlCrMoTaTi refractory high-entropy alloy through microalloying |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RO129460A2 (en) * | 2012-11-16 | 2014-05-30 | Institutul Naţional De Cercetare-Dezvoltare Pentru Optoelectronică - Inoe 2000 | Carbides of high entropy alloys as thin layers, for coating articular endoprostheses |
| CN104120325A (en) * | 2014-07-04 | 2014-10-29 | 北京科技大学 | Low thermal expansion coefficient NaMxAlySiz high entropy alloy and preparation method thereof |
| CN105112759A (en) * | 2015-08-12 | 2015-12-02 | 太原理工大学 | High-temperature-resistant high-entropy alloy material and preparation method thereof |
| CN107475596A (en) * | 2017-08-10 | 2017-12-15 | 哈尔滨工业大学 | A kind of high entropy intermetallic compound |
-
2018
- 2018-08-15 CN CN201810925567.8A patent/CN109023002B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RO129460A2 (en) * | 2012-11-16 | 2014-05-30 | Institutul Naţional De Cercetare-Dezvoltare Pentru Optoelectronică - Inoe 2000 | Carbides of high entropy alloys as thin layers, for coating articular endoprostheses |
| CN104120325A (en) * | 2014-07-04 | 2014-10-29 | 北京科技大学 | Low thermal expansion coefficient NaMxAlySiz high entropy alloy and preparation method thereof |
| CN105112759A (en) * | 2015-08-12 | 2015-12-02 | 太原理工大学 | High-temperature-resistant high-entropy alloy material and preparation method thereof |
| CN107475596A (en) * | 2017-08-10 | 2017-12-15 | 哈尔滨工业大学 | A kind of high entropy intermetallic compound |
Non-Patent Citations (1)
| Title |
|---|
| YI WANG ET AL.: "Computation of entropies and phase equilibria in refractory V-Nb-Mo-Ta-W high-entropy alloys", 《ACTA MATERIALIA》 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110438387A (en) * | 2019-09-23 | 2019-11-12 | 河南工业大学 | Precipitation of Silicide strengthens infusibility high-entropy alloy and preparation method thereof |
| CN113046614A (en) * | 2021-03-08 | 2021-06-29 | 西南交通大学 | NbMoHfTiZrAlSi refractory high-entropy alloy and preparation method thereof |
| CN113667875A (en) * | 2021-07-28 | 2021-11-19 | 中国科学院金属研究所 | MoNbTaTiVSix high-entropy alloy and preparation method thereof |
| CN113667875B (en) * | 2021-07-28 | 2022-07-12 | 中国科学院金属研究所 | MoNbTaTiVSix high-entropy alloy and preparation method thereof |
| CN113976898A (en) * | 2021-10-29 | 2022-01-28 | 康硕(德阳)智能制造有限公司 | High-entropy alloy powder for 3D printing and preparation method thereof |
| CN115838890A (en) * | 2022-12-13 | 2023-03-24 | 中国科学院金属研究所 | Method for improving high-temperature oxidation resistance of AlCrMoTaTi refractory high-entropy alloy through microalloying |
| CN115838890B (en) * | 2022-12-13 | 2024-02-06 | 中国科学院金属研究所 | Method for improving high-temperature oxidation resistance of AlCrMoTaTi refractory high-entropy alloy through microalloying |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109023002B (en) | 2020-04-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109023002A (en) | A kind of silicon solution strengthening VNbMoTaSi high-entropy alloy and preparation method thereof | |
| CN109252083B (en) | Multiphase high-entropy alloy and preparation method thereof | |
| CN106756407B (en) | A kind of CrMnFeCoNiZr high-entropy alloy and preparation method thereof | |
| CN107419154B (en) | One kind having hyperelastic TiZrHfNbAl high-entropy alloy and preparation method thereof | |
| CN107267844B (en) | A kind of hexa-atomic high-entropy alloy and preparation method thereof | |
| CN108950351A (en) | A kind of high temperature resistant VNbMoTa high-entropy alloy and preparation method thereof | |
| CN110438387B (en) | Silicide precipitation strengthening refractory high-entropy alloy and preparation method thereof | |
| CN107142410B (en) | CrMoNbTiZr high entropy alloy materials and preparation method thereof | |
| CN108642363A (en) | High-strength high-plastic eutectic high-entropy alloy of one kind and preparation method thereof | |
| CN112981208B (en) | Light refractory high-temperature-resistant eutectic high-entropy alloy and preparation method thereof | |
| CN108642399A (en) | One kind having base high-entropy alloy and preparation method thereof | |
| CN111304512B (en) | Medium-high entropy alloy material, preparation method and application thereof | |
| CN108677077A (en) | A kind of infusibility high-entropy alloy of high specific strength high-ductility and preparation method thereof | |
| CN113667875B (en) | MoNbTaTiVSix high-entropy alloy and preparation method thereof | |
| CN109913736B (en) | Method for improving plasticity of high-entropy alloy | |
| CN107034410A (en) | A kind of many pivot high-entropy alloys and preparation method thereof | |
| CN109594002A (en) | A kind of more pivot medium entropy alloys and preparation method thereof | |
| CN111850375B (en) | Nano precipitation strengthening type high-strength high-plasticity multi-element alloy and preparation method thereof | |
| CN110453131A (en) | A kind of high-entropy alloy and preparation method thereof with good thermal processability energy | |
| CN108517452A (en) | One kind having both high intensity and soft magnet performance AlCoCuFeNixHigh-entropy alloy and preparation method thereof | |
| Mei et al. | Investigation of Ni3Al-matrix composites strengthened by TiC | |
| Kimura et al. | Microstructure and mechanical properties of two-phase alloys based on the B2-type intermetallic compound CoAl in the Co–Al–Ni ternary system | |
| CN115233076B (en) | CoNiAl magnetic control memory type eutectic medium entropy alloy and preparation method thereof | |
| CN115161533B (en) | ZrCu-based high-entropy shape memory alloy and preparation method thereof | |
| Schneibel et al. | Microstructure and mechanical properties of Ll 2-structure alloys based on Al 3 Zr |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |