CN106521279A - High-strength alloy material and preparation method thereof - Google Patents
High-strength alloy material and preparation method thereof Download PDFInfo
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- CN106521279A CN106521279A CN201611100550.6A CN201611100550A CN106521279A CN 106521279 A CN106521279 A CN 106521279A CN 201611100550 A CN201611100550 A CN 201611100550A CN 106521279 A CN106521279 A CN 106521279A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C27/00—Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00
- C22C27/04—Alloys based on tungsten or molybdenum
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
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Abstract
The invention discloses a high-strength alloy material and a preparation method thereof. The high-strength alloy material is formed by smelting the following alloy elements including, by mass, 5.89-6.31% of chromium, 3.22-3.58% of iron, 1.05-1.24% of aluminum, 0.65-0.74% of zirconium, 0.28-0.31% of barium, and the balance tungsten. The preparation method comprises the following steps that raw materials of the alloy elements tungsten, chromium and iron are mixed, stirred and then put into a smelting furnace to be smelted under the protection of inert gas, the smelting temperature is 1435-1460 DEG C, after smelting is conducted for one hour, raw materials of the alloy elements aluminum, zirconium and barium are added and uniformly stirred, the smelting temperature is lowered to 1154-1236 DEG C, smelting is conducted for 30 min, then the mixture is poured into a forming mold and cooled to the room temperature, and after demolding, an ingot is obtained and then subjected to pressing rolling and forming treatment. The prepared a high-strength alloy material also has excellent abrasion resistance and is suitable for high-temperature high-load supporting application.
Description
Technical field
The present invention relates to technical field of metal, specifically a kind of high strength alloy material and preparation method thereof.
Background technology
Specific strength, the specific stiffness of tungsten alloy Yin Qigao and be acknowledged as the outstanding of the industry high to performance and horsepower requirements
Candidate materials, such as space flight and aviation and transportation.But due to the crystal structure of tungsten alloy close-packed hexagonal so that current tungsten alloy
Mechanical performance and plastic working ability be still difficult to the demand that meets some auto parts and components and other side application.To improve tungsten
The performance of alloy, alloying are all effective methods to the mechanical performance for improving casting tungsten alloy and deformation tungsten alloy, casting
In part, the alloying of microstructure can make solute element distribution more uniform, and second is mutually more tiny, and alloying can also be improved
The extrusion performance of alloy, rolling performance, heat crack resistance and surface smoothness etc., and can reduce deforming the life of tungsten alloy workpiece
Produce cost.Tungsten alloy when further improving the intensity of tungsten alloy using new enhancing element and special Material cladding preparation technology
The trend of Materials.Tungsten-titanium alloy is the focus material of recent research exploitation, and it has stable thermomechanical property, not only fits
Close and use under high current and hot environment, but also there is electron mobility is low, corrosion resistance is high, chemical stability is good etc.
Feature.Tungsten-titanium alloy itself has stronger load carrying capacity, under hot conditions not with metal reactive magnesium, therebetween can be with
Bonding is combined well, can avoid serious interfacial reaction again.For alloying strengthens the intensity of magnesium, tungsten-titanium alloy is a kind of
Good reinforcing material.But it has been recognised by the inventors that tungsten-titanium alloy is relatively costly, and preparation technology is relatively complicated, therefore it is badly in need of grinding
Send out alternative tungsten alloy material a kind of, can also reach corresponding high-intensity performance.
The content of the invention
It is an object of the invention to provide a kind of high strength alloy material and preparation method thereof, to solve above-mentioned background technology
The problem of middle proposition.
For achieving the above object, the present invention provides following technical scheme：
A kind of high strength alloy material, is formed by the alloying element melting of following mass percent：Chromium 5.89-6.31%,
Iron 3.22-3.58%, aluminium 1.05-1.24%, zirconium 0.65-0.74%, barium 0.28-0.31%, balance of tungsten.
As further scheme of the invention：The high strength alloy material, by the alloying element of following mass percent
Melting is formed：Chromium 5.96-6.19%, iron 3.34-3.50%, aluminium 1.12-1.22%, zirconium 0.68-0.71%, barium 0.28-
0.31%, balance of tungsten.
As further scheme of the invention：The high strength alloy material, by the alloying element of following mass percent
Melting is formed：Chromium 6.04%, iron 3.45%, aluminium 1.18%, zirconium 0.69%, barium 0.29%, balance of tungsten.
A kind of preparation method of high strength alloy material, concretely comprises the following steps：
To stir after the raw material mixing of alloying element tungsten, chromium and iron, subsequently under the protection of inert gas, be put into smelting furnace
In carry out melting, smelting temperature is 1435-1460 DEG C, after melting 1h, adds the raw material of alloying element aluminium, zirconium and barium, is stirred
After uniform, smelting temperature be reduced to into 1154-1236 DEG C, after melting 30min, be poured in qualitative mould, cooled to room temperature, tear open
Mould obtains final product ingot casting, then carries out compacting calendering and forming processes.
As further scheme of the invention：In concrete steps, smelting temperature is 1451 DEG C.
As further scheme of the invention：Smelting temperature is reduced to into 1192 DEG C in concrete steps.
Compared with prior art, the invention has the beneficial effects as follows：
In the present invention, the high strength alloy material is formed by the alloying element melting of following mass percent：Chromium
5.89-6.31%, iron 3.22-3.58%, aluminium 1.05-1.24%, zirconium 0.65-0.74%, barium 0.28-0.31%, balance of tungsten；
Preparation method is as follows, will stir, subsequently under the protection of inert gas, be put into after the raw material mixing of alloying element tungsten, chromium and iron
Melting is carried out in smelting furnace, smelting temperature is 1435-1460 DEG C, after melting 1h, adds the original of alloying element aluminium, zirconium and barium
Smelting temperature after stirring, is reduced to 1154-1236 DEG C, after melting 30min, is poured in qualitative mould, cools to by material
Room temperature, form removal obtain final product ingot casting, then carry out compacting calendering and forming processes.High strength alloy material prepared by the present invention is also
Show excellent anti-wear performance, it is adaptable to which high-temperature high-load supports purposes, such as the piston of high compression generator, cylinder
Part, the pump of various requirement wear resistant corrosion resistant, valve and impeller, aero-engine compressor position, ship power propulsion system
In screw and hydraulic propeller etc..
Specific embodiment
The technical scheme of this patent is described in more detail with reference to specific embodiment.
Embodiment 1
A kind of high strength alloy material, is formed by the alloying element melting of following mass percent：Chromium 5.89%, iron
3.22%th, aluminium 1.05%, zirconium 0.65%, barium 0.28%, balance of tungsten.
A kind of preparation method of high strength alloy material, concretely comprises the following steps：
To stir after the raw material mixing of alloying element tungsten, chromium and iron, subsequently under the protection of inert gas, be put into smelting furnace
In carry out melting, smelting temperature is 1435 DEG C, after melting 1h, adds the raw material of alloying element aluminium, zirconium and barium, stirs
Afterwards, smelting temperature is reduced to into 1154 DEG C, after melting 30min, is poured in qualitative mould, cool to room temperature, form removal obtains final product casting
Ingot, then carries out compacting calendering and forming processes.
Embodiment 2
A kind of high strength alloy material, is formed by the alloying element melting of following mass percent：Chromium 5.96%, iron
3.34%th, aluminium 1.12%, zirconium 0.68%, barium 0.28%, balance of tungsten.
A kind of preparation method of high strength alloy material, concretely comprises the following steps：
To stir after the raw material mixing of alloying element tungsten, chromium and iron, subsequently under the protection of inert gas, be put into smelting furnace
In carry out melting, smelting temperature is 1446 DEG C, after melting 1h, adds the raw material of alloying element aluminium, zirconium and barium, stirs
Afterwards, smelting temperature is reduced to into 1178 DEG C, after melting 30min, is poured in qualitative mould, cool to room temperature, form removal obtains final product casting
Ingot, then carries out compacting calendering and forming processes.
Embodiment 3
A kind of high strength alloy material, is formed by the alloying element melting of following mass percent：Chromium 6.04%, iron
3.45%th, aluminium 1.18%, zirconium 0.69%, barium 0.29%, balance of tungsten.
A kind of preparation method of high strength alloy material, concretely comprises the following steps：
To stir after the raw material mixing of alloying element tungsten, chromium and iron, subsequently under the protection of inert gas, be put into smelting furnace
In carry out melting, smelting temperature is 1451 DEG C, after melting 1h, adds the raw material of alloying element aluminium, zirconium and barium, stirs
Afterwards, smelting temperature is reduced to into 1192 DEG C, after melting 30min, is poured in qualitative mould, cool to room temperature, form removal obtains final product casting
Ingot, then carries out compacting calendering and forming processes.
Embodiment 4
A kind of high strength alloy material, is formed by the alloying element melting of following mass percent：Chromium 6.19%, iron
3.50%th, aluminium 1.22%, zirconium 0.71%, barium 0.31%, balance of tungsten.
A kind of preparation method of high strength alloy material, concretely comprises the following steps：
To stir after the raw material mixing of alloying element tungsten, chromium and iron, subsequently under the protection of inert gas, be put into smelting furnace
In carry out melting, smelting temperature is 1457 DEG C, after melting 1h, adds the raw material of alloying element aluminium, zirconium and barium, stirs
Afterwards, smelting temperature is reduced to into 1216 DEG C, after melting 30min, is poured in qualitative mould, cool to room temperature, form removal obtains final product casting
Ingot, then carries out compacting calendering and forming processes.
Embodiment 5
A kind of high strength alloy material, is formed by the alloying element melting of following mass percent：Chromium 6.31%, iron
3.58%th, aluminium 1.24%, zirconium 0.74%, barium 0.31%, balance of tungsten.
A kind of preparation method of high strength alloy material, concretely comprises the following steps：
To stir after the raw material mixing of alloying element tungsten, chromium and iron, subsequently under the protection of inert gas, be put into smelting furnace
In carry out melting, smelting temperature is 1460 DEG C, after melting 1h, adds the raw material of alloying element aluminium, zirconium and barium, stirs
Afterwards, smelting temperature is reduced to into 1236 DEG C, after melting 30min, is poured in qualitative mould, cool to room temperature, form removal obtains final product casting
Ingot, then carries out compacting calendering and forming processes.
Comparative example 1
A kind of high strength alloy material, is formed by the alloying element melting of following mass percent：Chromium 6.04%, iron
3.45%th, aluminium 1.18%, barium 0.29%, balance of tungsten.
A kind of preparation method of high strength alloy material, concretely comprises the following steps：
To stir after the raw material mixing of alloying element tungsten, chromium and iron, subsequently under the protection of inert gas, be put into smelting furnace
In carry out melting, smelting temperature is 1451 DEG C, after melting 1h, adds the raw material of alloying element aluminium and barium, after stirring, will
Smelting temperature is reduced to 1192 DEG C, after melting 30min, is poured in qualitative mould, cools to room temperature, and form removal obtains final product ingot casting, connects
Carries out compacting calendering and forming processes.
Comparative example 2
A kind of high strength alloy material, is formed by the alloying element melting of following mass percent：Chromium 6.04%, iron
3.45%th, aluminium 1.18%, zirconium 0.69%, balance of tungsten.
A kind of preparation method of high strength alloy material, concretely comprises the following steps：
To stir after the raw material mixing of alloying element tungsten, chromium and iron, subsequently under the protection of inert gas, be put into smelting furnace
In carry out melting, smelting temperature is 1451 DEG C, after melting 1h, adds the raw material of alloying element aluminium and zirconium, after stirring, will
Smelting temperature is reduced to 1192 DEG C, after melting 30min, is poured in qualitative mould, cools to room temperature, and form removal obtains final product ingot casting, connects
Carries out compacting calendering and forming processes.
Comparative example 3
A kind of high strength alloy material, is formed by the alloying element melting of following mass percent：Iron 3.45%, aluminium
1.18%th, zirconium 0.69%, barium 0.29%, balance of tungsten.
A kind of preparation method of high strength alloy material, concretely comprises the following steps：
To stir after the raw material mixing of alloying element tungsten and iron, subsequently under the protection of inert gas, be put in smelting furnace
Melting is carried out, smelting temperature is 1451 DEG C, after melting 1h, adds the raw material of alloying element aluminium, zirconium and barium, after stirring,
Smelting temperature is reduced to into 1192 DEG C, after melting 30min, is poured in qualitative mould, is cooled to room temperature, form removal obtains final product ingot casting,
Then compacting calendering and forming processes are carried out.
Comparative example 4
A kind of Chinese patent " tungsten-titanium alloy " (application publication number：CN 103422004A) a kind of tungsten-titanium alloy is disclosed, by
Following material composition by weight percentage：Tungsten 44%, titanium 34%, nickel 3%, manganese 3%, silicon 4%, chromium 2%, additive 4%,
The additive is hydrofluoric acid or nitric acid.
Comparative example 5
Chinese patent " cobalt-chromium-tungsten alloy and preparation method thereof " (disclosure/notification number：CN 104745889A) disclose one kind
Cobalt-chromium-tungsten alloy, is made up of following raw materials according with total weight percent：Co 60-68%, chromium 24-26%, tungsten 4-6%, aluminium 2-4%,
Silicon 0.5-0.9%, carbon 0.4-0.6%, sulphur 0.8-1.2%, copper 0.2-0.7%, scrap iron 0.1-0.6%.
In sum, alloy material prepared by the high strength alloy material for being prepared by embodiment of the present invention 1-5 and comparative example 1-5
Material is tested, and high strength alloy material prepared by embodiment of the present invention 1-5, its compression strength are 645-693MPa, and tension is strong
Spend for 459-476MPa, yield strength is 377-425MPa；And alloy material prepared by comparative example 1-5, its compression strength is
324-369MPa, tensile strength are 258-294MPa, and yield strength is in 225-293MPa.
Above the better embodiment of this patent is explained in detail, but this patent is not limited to above-mentioned embodiment party
Formula, in the ken that one skilled in the relevant art possesses, can be with the premise of without departing from this patent objective
Make a variety of changes.
Claims (6)
1. a kind of high strength alloy material, it is characterised in that formed by the alloying element melting of following mass percent：Chromium
5.89-6.31%, iron 3.22-3.58%, aluminium 1.05-1.24%, zirconium 0.65-0.74%, barium 0.28-0.31%, balance of tungsten.
2. high strength alloy material according to claim 1, it is characterised in that the high strength alloy material, by following
The alloying element melting of mass percent is formed：Chromium 5.96-6.19%, iron 3.34-3.50%, aluminium 1.12-1.22%, zirconium
0.68-0.71%, barium 0.28-0.31%, balance of tungsten.
3. high strength alloy material according to claim 1, it is characterised in that the high strength alloy material, by following
The alloying element melting of mass percent is formed：Chromium 6.04%, iron 3.45%, aluminium 1.18%, zirconium 0.69%, barium 0.29%, it is remaining
Measure as tungsten.
4. a kind of preparation method of the high strength alloy material as described in claim 1-3 is arbitrary, it is characterised in that concrete steps
For：
To stir after the raw material mixing of alloying element tungsten, chromium and iron, subsequently under the protection of inert gas, enter in being put into smelting furnace
Row melting, smelting temperature are 1435-1460 DEG C, after melting 1h, add the raw material of alloying element aluminium, zirconium and barium, stir
Afterwards, smelting temperature is reduced to into 1154-1236 DEG C, after melting 30min, is poured in qualitative mould, cools to room temperature, form removal is
Ingot casting is obtained, compacting calendering and forming processes are then carried out.
5. the preparation method of high strength alloy material according to claim 4, it is characterised in that melting temperature in concrete steps
Spend for 1451 DEG C.
6. the preparation method of high strength alloy material according to claim 4, it is characterised in that by melting in concrete steps
Temperature is reduced to 1192 DEG C.
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| CN201611100550.6A CN106521279A (en) | 2016-12-05 | 2016-12-05 | High-strength alloy material and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113528987A (en) * | 2021-06-18 | 2021-10-22 | 河钢承德钒钛新材料有限公司 | Tungsten alloy composite material and 3D printing method thereof |
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| CN1565782A (en) * | 2003-06-12 | 2005-01-19 | 中南大学 | Method for preparing nanometer tungsten combined powder by collosoling, spraying and desiccating and hot reducing |
| CN101967577A (en) * | 2010-10-28 | 2011-02-09 | 中国科学院理化技术研究所 | Method for preparing tungsten-based alloy |
| CN103429773A (en) * | 2011-11-28 | 2013-12-04 | 福田金属箔粉工业株式会社 | Ni-fe-cr-based alloy and engine valve coated with same |
| CN104357694A (en) * | 2014-07-11 | 2015-02-18 | 黑龙江北方工具有限公司 | Manufacturing method of high-hardness tungsten alloy material |
| CN105385986A (en) * | 2015-11-10 | 2016-03-09 | 中南大学 | Tungsten-based heavy alloy bar with gradient-changing hardness and producing method thereof |
-
2016
- 2016-12-05 CN CN201611100550.6A patent/CN106521279A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10259444A (en) * | 1997-03-21 | 1998-09-29 | Honda Motor Co Ltd | Functionally gradient material |
| CN1565782A (en) * | 2003-06-12 | 2005-01-19 | 中南大学 | Method for preparing nanometer tungsten combined powder by collosoling, spraying and desiccating and hot reducing |
| CN101967577A (en) * | 2010-10-28 | 2011-02-09 | 中国科学院理化技术研究所 | Method for preparing tungsten-based alloy |
| CN103429773A (en) * | 2011-11-28 | 2013-12-04 | 福田金属箔粉工业株式会社 | Ni-fe-cr-based alloy and engine valve coated with same |
| CN104357694A (en) * | 2014-07-11 | 2015-02-18 | 黑龙江北方工具有限公司 | Manufacturing method of high-hardness tungsten alloy material |
| CN105385986A (en) * | 2015-11-10 | 2016-03-09 | 中南大学 | Tungsten-based heavy alloy bar with gradient-changing hardness and producing method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113528987A (en) * | 2021-06-18 | 2021-10-22 | 河钢承德钒钛新材料有限公司 | Tungsten alloy composite material and 3D printing method thereof |
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