CN107513653A - High-specific gravity tungsten alloy ultra thin plate and preparation method thereof - Google Patents
High-specific gravity tungsten alloy ultra thin plate and preparation method thereof Download PDFInfo
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- CN107513653A CN107513653A CN201710681158.3A CN201710681158A CN107513653A CN 107513653 A CN107513653 A CN 107513653A CN 201710681158 A CN201710681158 A CN 201710681158A CN 107513653 A CN107513653 A CN 107513653A
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- tungsten alloy
- thin plate
- specific gravity
- gravity tungsten
- alloy thin
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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
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/045—Alloys based on refractory metals
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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
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C24/00—Coating starting from inorganic powder
- C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
- C23C24/10—Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
- C23C24/103—Coating with metallic material, i.e. metals or metal alloys, optionally comprising hard particles, e.g. oxides, carbides or nitrides
- C23C24/106—Coating with metal alloys or metal elements only
Abstract
The invention discloses a kind of high-specific gravity tungsten alloy ultra thin plate and preparation method thereof, it is related to technical field of metal material.This high-specific gravity tungsten alloy ultra thin plate, tungsten tenor are 85%~99%, and remaining is nickel, iron, copper, cobalt, molybdenum, one or more kinds of mixtures of chromium；Preparation method includes the steps such as batch mixing, compacting, liquid-phase sintering, cold rolling, the hot rolling of high temperature superposition sintering, spraying mixed metal powder, high-temperature fusion.The high-specific gravity tungsten alloy ultra thin plate that thickness is 0.03mm~0.09mm has been made in the present invention.
Description
Technical field
The present invention relates to technical field of metal material, especially a kind of high-specific gravity tungsten alloy ultra thin plate and preparation method thereof.
Background technology
Tungsten alloy is that the alloy that other metals form is added by base of tungsten, has small volume but density is high（Usually
16.5g/cm3~18.75 g/cm3）, high-melting-point, hardness is big, high-wearing feature, high limit tensile strength, ductility are good, low steam
Good, corrosion-resistant, the good shock resistance of pressure, high temperature resistant, heat endurance, high radiation absorbing capacity, outstanding impact resistance
With the excellent properties such as crack resistance, nontoxic, therefore the fields such as industry, military affairs, scientific research, medical treatment, motion are widely used in.
Wherein tungsten alloy ultra thin plate is the tungsten alloy sheet material that thickness is less than 0.13mm, in Aeronautics and Astronautics, military affairs, petroleum drilling
The domain requirements such as well, electronic equipment, medical field and measuring system are very big.
In the prior art, the preparation method for being related to high-specific gravity tungsten alloy sheet material is less.A kind of Chinese patent " tungsten base-height ratio weight
The preparation method of latten --- in CN101983806A ", by the blank after 2~4 mm of compacting, rolled after sintering slab into
To 0.1~1.5 mm thin plate；Because slab is compressing using being molded, limited by die size, this method can only be adapted to
The less thin plate processing of size, and it is then helpless less than more than 0.1mm sheet material to thickness.Another Chinese patent " tungsten base
The preparation method of high-density alloy thin plate --- CN101069944 " uses powqder rolling process to prepare life of the thickness for 1~3 mm
Base, after sintering cold rolling be processed into thin plate；This method can not also realize that ultra-thin sheet material of the thickness less than 0.1 mm is processed.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of high-specific gravity tungsten alloy of thickness in 0.03mm~0.09mm
Ultra thin plate and preparation method thereof.
In order to solve the above problems, the technical solution adopted in the present invention is：This high-specific gravity tungsten alloy ultra thin plate, tungsten gold
It is 85%~99% to belong to content, and remaining is nickel, iron, copper, cobalt, molybdenum, one or more kinds of mixtures of chromium；Thickness be 0.03mm~
0.09mm。
The preparation method of this high-specific gravity tungsten alloy ultra thin plate, comprises the following steps：
（1）, batch mixing：Tungsten powder is mixed in proportion with one or more kinds of powder of nickel, iron, copper, cobalt, molybdenum, chromium, wherein tungsten powder
Last accounting is 85%~99%, standby after vacuum drying；
（2）, compressing and liquid-phase sintering；
（3）, to be cold-rolled to thickness be 0.6 mm~3mm to sintered blank；
（4）, by multi-disc step（3）The cold rolling base of gained is stacked together, and is put into the high temperature sintering furnace of hydrogen shield 1400
DEG C~1500 DEG C at sinter 1~2 hour, reheating is rolled to thickness and is less than 0.13 mm, obtains high-specific gravity tungsten alloy thin plate；
（5）, in step（4）Even application tungsten powder and nickel on the high-specific gravity tungsten alloy thin plate a of gained, iron, copper, cobalt, molybdenum, chromium
One or more kinds of mixed-powders, 1400 DEG C~1500 DEG C are then heated in the stove full of inert gas, makes fusion shape
Into penetrating tungsten alloy thin-slab structure, then bind and continue with one piece of high-specific gravity tungsten alloy thin plate b without spray metal powder
Heating, the fusing point of the high-specific gravity tungsten alloy thin plate b is higher than to temperature so that the high-specific gravity tungsten alloy thin plate b is melted and oozed
The penetrating tungsten alloy thin-slab structure is penetrated, stops heating, cooling.
In above-mentioned technical proposal, more specifically technical scheme can also be：Step（4）Middle stacking number is 10 layers~20
Layer
By adopting the above-described technical solution, the present invention has the advantages that compared with prior art：
The present invention can prepare the high-specific gravity tungsten alloy ultra thin plate that thickness is 0.03mm~0.09mm, and its density is 15.8 g/
cm3~18.75 g/cm3。
Embodiment
Below in conjunction with specific embodiment, the invention will be further described：
Embodiment one：
This high-specific gravity tungsten alloy ultra thin plate, it is the alloy of tungsten, nickel and iron, wherein tungsten tenor is that 95% nickel is 3%, and iron is
2%；Thickness is 0.03mm, density 17.9g/cm3~18.1g/cm3, tensile strength is 700~900mpa/mm2, elongation percentage 8
~15%.
Preparation method is as follows：
（1）, batch mixing：Tungsten powder and nickel, iron powder are pressed 95:3:2 ratio mixing, it is standby after vacuum drying；
（2）, compressing and liquid-phase sintering；
（3）, to be cold-rolled to thickness be 0.6 mm~3mm to sintered blank；
（4）, by 10 steps（3）The cold rolling base of gained is stacked together, and is put into the high temperature sintering furnace of hydrogen shield 1400
Sintered 2 hours at DEG C, reheating is rolled to thickness and is less than 0.13 mm, obtains high-specific gravity tungsten alloy thin plate；
（5）, in step（4）Even application tungsten powder and nickel, iron mixed-powder on the high-specific gravity tungsten alloy thin plate a of gained, mixing
Ratio is 95:3:2,1400 DEG C are then heated in the stove full of inert gas, fusion is formed penetrating tungsten alloy thin
Harden structure, then binded with one piece of high-specific gravity tungsten alloy thin plate b without spray metal powder；In the environment full of inert gas
Middle cooling, cut out to required size, then proceed to heat, the fusing point of the high-specific gravity tungsten alloy thin plate b is higher than to temperature so that
The high-specific gravity tungsten alloy thin plate b is melted and is infiltrated through the penetrating tungsten alloy thin-slab structure, stops heating, cooling.
Embodiment two：
This high-specific gravity tungsten alloy ultra thin plate, it is the alloy of tungsten, nickel and copper, wherein tungsten tenor is that 93% nickel is 5%, and copper is
2%；Thickness is 0.09mm, density 17.5g/cm3~17.6g/cm3, tensile strength is 500~600mpa/mm2, elongation percentage 3
~5%.
Preparation method is as follows：
（1）, batch mixing：Tungsten powder and nickel, copper powders are pressed 93:5:2 ratio mixing, it is standby after vacuum drying；
（2）, compressing and liquid-phase sintering；
（3）, to be cold-rolled to thickness be 0.6 mm~3mm to sintered blank；
（4）, by 10 steps（3）The cold rolling base of gained is stacked together, and is put into the high temperature sintering furnace of hydrogen shield 1500
Sintered 1 hour at DEG C, reheating is rolled to thickness and is less than 0.13 mm, obtains high-specific gravity tungsten alloy thin plate；
（5）, in step（4）Even application tungsten powder and nickel, copper mixed-powder on the high-specific gravity tungsten alloy thin plate a of gained, mixing
Ratio is 93:5:2,1400 DEG C are then heated in the stove full of inert gas, fusion is formed penetrating tungsten alloy thin
Harden structure, then binded with one piece of high-specific gravity tungsten alloy thin plate b without spray metal powder；In the environment full of inert gas
Middle cooling, cut out to required size, then proceed to heat, the fusing point of the high-specific gravity tungsten alloy thin plate b is higher than to temperature so that
The high-specific gravity tungsten alloy thin plate b is melted and is infiltrated through the penetrating tungsten alloy thin-slab structure, stops heating, cooling.
Claims (3)
- A kind of 1. high-specific gravity tungsten alloy ultra thin plate, it is characterised in that：Tungsten tenor be 85%~99%, remaining be nickel, iron, copper, Cobalt, molybdenum, one or more kinds of mixtures of chromium；Thickness is 0.03mm~0.09mm.
- 2. a kind of preparation method of high-specific gravity tungsten alloy ultra thin plate, it is characterised in that comprise the following steps：（1）, batch mixing：Tungsten powder is mixed in proportion with one or more kinds of powder of nickel, iron, copper, cobalt, molybdenum, chromium, wherein tungsten powder Last accounting is 85%~99%, standby after vacuum drying；（2）, compressing and liquid-phase sintering；（3）, to be cold-rolled to thickness be 0.6 mm~3mm to sintered blank；（4）, by multi-disc step（3）The cold rolling base of gained is stacked together, and is put into the high temperature sintering furnace of hydrogen shield 1400 DEG C~1500 DEG C at sinter 1~2 hour, reheating is rolled to thickness and is less than 0.13 mm, obtains high-specific gravity tungsten alloy thin plate；（5）, in step（4）Even application tungsten powder and nickel on the high-specific gravity tungsten alloy thin plate a of gained, iron, copper, cobalt, molybdenum, chromium One or more kinds of mixed-powders, 1400 DEG C~1500 DEG C are then heated in the stove full of inert gas, makes fusion shape Into penetrating tungsten alloy thin-slab structure, then bind and continue with one piece of high-specific gravity tungsten alloy thin plate b without spray metal powder Heating, the fusing point of the high-specific gravity tungsten alloy thin plate b is higher than to temperature so that the high-specific gravity tungsten alloy thin plate b is melted and oozed The penetrating tungsten alloy thin-slab structure is penetrated, stops heating, cooling.
- 3. the preparation method of high-specific gravity tungsten alloy ultra thin plate according to claim 1, it is characterised in that：Step（4）Middle heap Lamination number is 10 layers~20 layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710681158.3A CN107513653A (en) | 2017-08-10 | 2017-08-10 | High-specific gravity tungsten alloy ultra thin plate and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710681158.3A CN107513653A (en) | 2017-08-10 | 2017-08-10 | High-specific gravity tungsten alloy ultra thin plate and preparation method thereof |
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| CN107513653A true CN107513653A (en) | 2017-12-26 |
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| CN201710681158.3A Withdrawn CN107513653A (en) | 2017-08-10 | 2017-08-10 | High-specific gravity tungsten alloy ultra thin plate and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108213442A (en) * | 2018-01-18 | 2018-06-29 | 无锡乐普金属科技有限公司 | A kind of green compact of high-specific gravity tungsten alloy plank fold burning method |
| CN108913973A (en) * | 2018-08-01 | 2018-11-30 | 西安华山钨制品有限公司 | A kind of preparation method of tungsten-nickel-copper alloy paillon |
| CN109022989A (en) * | 2018-09-21 | 2018-12-18 | 成都理工大学 | A kind of preparation method of high-entropy alloy Binder Phase tungsten base high-specific-gravity alloy |
| CN111763843A (en) * | 2020-08-24 | 2020-10-13 | 合肥工业大学 | Preparation method of multi-element doped high-specific gravity tungsten copper nickel alloy and prepared high-specific gravity tungsten copper nickel alloy |
| CN112481539A (en) * | 2020-11-12 | 2021-03-12 | 苏州欧美克合金工具有限公司 | High-specific-gravity tungsten alloy material and preparation method thereof |
-
2017
- 2017-08-10 CN CN201710681158.3A patent/CN107513653A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108213442A (en) * | 2018-01-18 | 2018-06-29 | 无锡乐普金属科技有限公司 | A kind of green compact of high-specific gravity tungsten alloy plank fold burning method |
| CN108913973A (en) * | 2018-08-01 | 2018-11-30 | 西安华山钨制品有限公司 | A kind of preparation method of tungsten-nickel-copper alloy paillon |
| CN109022989A (en) * | 2018-09-21 | 2018-12-18 | 成都理工大学 | A kind of preparation method of high-entropy alloy Binder Phase tungsten base high-specific-gravity alloy |
| CN111763843A (en) * | 2020-08-24 | 2020-10-13 | 合肥工业大学 | Preparation method of multi-element doped high-specific gravity tungsten copper nickel alloy and prepared high-specific gravity tungsten copper nickel alloy |
| CN112481539A (en) * | 2020-11-12 | 2021-03-12 | 苏州欧美克合金工具有限公司 | High-specific-gravity tungsten alloy material and preparation method thereof |
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Application publication date: 20171226 |
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| WW01 | Invention patent application withdrawn after publication |