CN1274444C - Jetting casting process for preparing block amorphous and apparatus therefor - Google Patents
Jetting casting process for preparing block amorphous and apparatus therefor Download PDFInfo
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- CN1274444C CN1274444C CN 200310103190 CN200310103190A CN1274444C CN 1274444 C CN1274444 C CN 1274444C CN 200310103190 CN200310103190 CN 200310103190 CN 200310103190 A CN200310103190 A CN 200310103190A CN 1274444 C CN1274444 C CN 1274444C
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- 238000005266 casting Methods 0.000 title claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 50
- 239000000956 alloy Substances 0.000 claims abstract description 34
- 229910000808 amorphous metal alloy Inorganic materials 0.000 claims abstract description 27
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 25
- 238000001816 cooling Methods 0.000 claims abstract description 16
- 238000002360 preparation method Methods 0.000 claims abstract description 15
- 239000007788 liquid Substances 0.000 claims abstract description 10
- 238000002844 melting Methods 0.000 claims abstract description 4
- 230000008018 melting Effects 0.000 claims abstract description 4
- 239000007921 spray Substances 0.000 claims description 164
- 239000007789 gas Substances 0.000 claims description 20
- 239000012809 cooling fluid Substances 0.000 claims description 14
- 239000013078 crystal Substances 0.000 claims description 14
- 239000010949 copper Substances 0.000 claims description 13
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000005300 metallic glass Substances 0.000 claims description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 229910052786 argon Inorganic materials 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- 238000007493 shaping process Methods 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 4
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 3
- 238000013519 translation Methods 0.000 claims description 3
- 230000004927 fusion Effects 0.000 claims description 2
- 239000000155 melt Substances 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000013461 design Methods 0.000 abstract description 4
- 238000009718 spray deposition Methods 0.000 abstract 8
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000005507 spraying Methods 0.000 abstract 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- PWKWDCOTNGQLID-UHFFFAOYSA-N [N].[Ar] Chemical compound [N].[Ar] PWKWDCOTNGQLID-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000012797 qualification Methods 0.000 description 3
- 238000010791 quenching Methods 0.000 description 3
- 230000000171 quenching effect Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The present invention relates to a spray casting process particularly suitable for preparing an amorphous and nano-crystalline product and an apparatus for the process, which belongs to the field of the preparation of block amorphous products. The process and the apparatus which are used for directly spraying and casting melting liquid to a mold groove under gas protection are characterized in that a spray casting melter and a spray casting mold of the spray casting process move relatively in parallel for spray casting, spray casting melting liquid is sprayed and cast to the mold groove under the conditions of constant voltage and constant currents, and a block amorphous and nano-crystalline alloy product is formed by rapid cooling. Compared with the prior art, the spray casting process and the apparatus of the present invention have the characteristics of reasonable and simple design of the spray casting apparatus, convenient productive operation, high forming qualified rate of products, favorable performance, low production cost, etc.; in addition, the mold does not need assembling and disassembling, so the amorphous alloy product can be taken easily and conveniently.
Description
Technical field
The invention belongs to the preparation field of bulk amorphous alloy product.Be particularly useful for making the spray to cast method and the device of amorphous, nanocrystalline product.
Background technology
In existing technology, there is the method that adopts fast quenching to prepare amorphous, the nanometer crystal alloy material of various forms, as band, silk material, powder etc.Usually by the prepared non-crystaline amorphous metal product of this method, its geomery all relatively limits to, and for example adopts the amorphous band thickness of single-roller rapid quenching with quenching preparation to be not more than 60 μ m usually, and width is that 1mm is to 200mm; The diameter of amorphous wire material generally is no more than 150 μ m; The diameter of powder particle is less than 100 μ m.Owing to be subjected to the restriction of amorphous product preparation method complexity, use widely and limited amorphous alloy.In recent years along with the fast development of amorphous alloy material, especially develop the amorphous alloy material that has than large-amorphous forming capacity, as still adopting methods such as casting or copper mold to prepare bulk amorphous alloy and nanometer crystal alloy product, do not felt well in the development of functional material.
In existing preparation bulk amorphous alloy method, most of block amorphous alloys are easy to embrittlement in the copper mold casting process, and reason is that alloy shrinkage is big in the process of setting, and the internal stress of material can't discharge.Another shortcoming of copper mold casting, be that a copper mold process is from being installed to casting, arrive the block amorphous alloy product that casting is taken out in dismounting again, the time (being about 30 minutes-60 minutes) that its whole process need is long, so the production efficiency of this method and product percent of pass are all lower.And the alloy product in unloading process with this method casting is impaired easily, and lumber recovery is lower.The shortcoming that has again be the copper mold cavity of product owing to be subjected to the restriction of mould, general size can not be very big, especially is being restricted aspect the longitudinal length of product.
Summary of the invention
The objective of the invention is to propose a kind ofly have that the spray to cast device is reasonable in design, simple, production operation convenience, product shaping qualification rate height, performance is good and production cost is low preparation bulk amorphous alloy or the spray to cast method of amorphous and nanometer crystal alloy material.
According to purpose of the present invention, the spray to cast method of preparation bulk amorphous alloy that we proposed or amorphous and nanometer crystal alloy material, this method be for solve in the prior art existing because of by cast alloy in fast cold process, owing to the quick contraction of alloy material brings concentrating of product internal stress, the qualification rate of formed product is reduced.Narration according to above reason; the spray to cast method of bulk amorphous alloy proposed by the invention or amorphous and nanometer crystal alloy product; this method is the non-crystaline amorphous metal ingot casting after the melting to be packed into carry out fusion in the molten device of spray to cast; treat to carry out spray to cast again after the alloy liquation melts fully; carry out spray to cast for parallel relatively moving between the molten device of spray to cast that it is characterized in that this spray to cast method and the spray to cast mould; liquation is to adopt constant pressure in the molten device of spray to cast; make the spray to cast liquation in the groove of spout place spray to cast on spray to cast mould plane by the molten device of spray to cast under the constant pressure and flow condition; the spray to cast process adopts gas shield, and the cooling fluid in the use cooling duct parallel with groove is cooled off the spray to cast mould.Also have in other features of spray to cast method of the present invention that relative translation speed is 0.3-8m/s between molten device of spray to cast and the spray to cast mould.Spray to cast pressure in the molten device of spray to cast is 0.03-0.15MPa.The protective gas that is adopted in the spray to cast process is any one in nitrogen, the argon gas.In addition, the preparation of spray to cast device of the present invention is to technology is similar now, in the molten device outside of spray to cast load coil is housed, one end of the molten device of spray to cast is equipped with the spray to cast mouth, the spray to cast mould is housed below the spray to cast mouth, it is characterized in that the spray to cast mould is to adopt good copper of thermal conductivity or Cu alloy material preparation, the last transverse plane place of spray to cast mould is provided with the spray to cast shaping groove, in the spray to cast mould, be provided with and spray to cast shaping groove cooling duct in the same way, cooling fluid is housed in cooling duct.Other features of spray to cast device of the present invention have that the transverse plane place is provided with the spray to cast groove on the spray to cast mould, and the spray to cast groove is done relative motion all the time under the spray to cast mouth of the molten device of spray to cast in the spray to cast process.The cooling fluid that is equipped with in cooling duct is the liquid below the zero degrees celsius, and this cooling fluid is any one in liquid nitrogen and the alcohol.
Below we carry out detailed narration to the inventive method and device with reference to the accompanying drawings, can see with reference to the accompanying drawings, spray to cast device of the present invention is similar to prior art, this device is in the molten device 1 of spray to cast increased pressure board 2 to be housed, it below increased pressure board 2 the molten device spray to cast mouth 5 of liquation 3 and spray to cast, heating element heater 4 is equipped with in outside at the molten device 1 of spray to cast, and the spray to cast mould 8 of band cooling fluid 7 is housed below the molten device 1 of spray to cast, and the design of transverse plane place has spray to cast mould groove 6 on spray to cast mould 8.The direction of the arrow a indication in accompanying drawing 1 above the molten device 1 of spray to cast; be that gas applies the direction of setting gas pressure by increased pressure board 2 to liquation 3; therefore liquation 3 is under the state of the condition of constant voltage, constant current and gas shield, by molten device spray to cast mouth 5 spray to casts of spray to cast in spray to cast mould groove 6.In accompanying drawing 2, the direction of the arrow b indication on molten device 1 next door of spray to cast is the direction that the molten device 1 of spray to cast is moved; The direction of the arrow c indication below spray to cast mould 8 is the direction that spray to cast mould 8 is moved.In accompanying drawing 3, the direction of the arrow d indication of spray to cast mould 8 belows is directions that spray to cast mould 8 is rotated.At spray to cast device of the present invention, owing to consider preparation bulk amorphous alloy or amorphous and nanometer crystal alloy product needed very fast cooling velocity is arranged, therefore in this device, spray to cast mould 8 is to adopt the high alloy material of pyroconductivity to process, for example material such as copper, copper alloy.In order effectively to improve the cooling velocity of spray to cast device of the present invention, we can select necessary cooling fluid 7 to feed in the cooling chambers according to the capacity of the liquation 3 of spray to cast alloy to control cooling, feed recirculated water usually and cool off.If will further improve cooling rate, 7 pairs of spray to cast moulds of cooling fluid the last 8 that can also feed liquid nitrogen, alcohol or other kinds cooled off.The flow process of spray to cast method is described below: after the feeding gas flow reaches setting pressure in the molten device 1 of spray to cast, liquation 3 by molten device spray to cast mouth 5 ejections of spray to cast and in gas shield spray to cast in spray to cast mould groove 6, meanwhile, spray to cast mould 8 does relative motion below the molten device spray to cast mouth 5 of spray to cast; After the alloy liquation 3 of ejection was injected in the spray to cast mould groove 6, its chilling cooling rate was 1-9 * 10
2K/s makes liquation 3 be frozen into non-crystaline amorphous metal or nanometer crystal alloy product.When finishing, spray to cast can directly the non-crystaline amorphous metal product be removed and be taken out to spray to cast mould 8.The inventive method and device can make the chilling non-crystaline amorphous metal have a scope of freedom, and the product internal stress of being brought by chilling can effectively be discharged, and therefore can obtain complete bulk amorphous alloy or amorphous and nanocrystalline product.
Adopt spray to cast method of the present invention and device compared with prior art, have that the spray to cast device is reasonable in design, simple, production operation convenience, product shaping qualification rate height, characteristics such as performance is good and production cost is low.Adopt the inventive method and device to produce in addition, can dismantle, the spray to cast mould is installed, it is more convenient to get alloy product, and it is 1/10 of former method that spray to cast is had suffered the needed time of journey, therefore can enhance productivity greatly.Adopt the inventive method to carry out spray to cast production in addition, the size of its spray to cast mould groove can be made bigger according to designer's requirement, especially the length of spray to cast mould groove longitudinal size can extend, and one time spray to cast alloy liquation amount is more, thereby further enhances productivity.
Description of drawings
Accompanying drawing in specification of the present invention is respectively: accompanying drawing 1, be the vertical section structure work schematic diagram of spray to cast device of the present invention; Accompanying drawing 2, be the cross section structure work schematic diagram of spray to cast device of the present invention; Accompanying drawing 3, be the vertical section structure work schematic diagram of the circular spray to cast device of the present invention; Accompanying drawing 4 prepares the X-ray diffractogram of block amorphous alloy bar for adopting the spray to cast method.In above-mentioned accompanying drawing, sequence number 1 is the molten device of spray to cast; 2 is increased pressure board; 3 is liquation; 4 is heating element heater; 5 are the molten device spray to cast mouth of spray to cast; 6 is spray to cast mould groove; 7 is cooling fluid; 8 is the spray to cast mould; Arrow a is the direction of exerting pressure; Arrow b is the molten device moving direction of spray to cast; Arrow c is a spray to cast mould moving direction; Arrow d is a spray to cast mould rotation direction.
The specific embodiment
Adopt spray to cast method of the present invention and spray to cast device to carry out multiple experiment; the test amorphous alloy component of being implemented is listed table 1 in; the embodiment that is adopted is that the ingot casting of oneself setting amorphous alloy component is put into the molten device 1 of spray to cast; and then after in the molten device 1 of spray to cast, feeding the gas pressure of set amount; liquation 3 by molten device spray to cast mouth 5 ejections of spray to cast and in gas shield spray to cast in spray to cast mould groove 6; meanwhile; spray to cast mould 8 does relative motion below the molten device spray to cast mouth 5 of spray to cast; after the alloy liquation 3 of ejection was injected in the spray to cast mould groove 6, its chilling cooling rate was 1-9 * 10
2K/s makes liquation 3 be frozen into non-crystaline amorphous metal or amorphous and nanocrystalline alloy product.Non-crystaline amorphous metal in embodiments or amorphous and nanocrystalline alloy product preparation method, gas pressure during as the spray to cast in the molten device 1 of spray to cast; Speed of related movement between molten device 1 of spray to cast and the spray to cast mould 8; The kind of the kind of the protective gas that applies and the cooling fluid that adopted in spray to cast mould 8 is all listed in the table 2 in the spray to cast process, can directly spray to cast mould 8 be removed and take out amorphous or amorphous and nanometer crystal alloy product when spray to cast finishes.Can be found out that by accompanying drawing given in accompanying drawing 1 and accompanying drawing 2 is to adopt spray to cast method of the present invention and the spray to cast dress device work schematic diagram at preparation bulk amorphous alloy or amorphous and nanometer crystal alloy product, its product is straight shape bar, bulk.Accompanying drawing 3 is given is to adopt spray to cast method of the present invention and the spray to cast dress device work schematic diagram in preparation bulk amorphous alloy or amorphous and nanometer crystal alloy circular product, and its shape of product is circle, annular.Accompanying drawing 4 is the X-ray diffractogram of prepared block amorphous alloy bar.Also list in the table 3 through the prepared bulk amorphous alloy of above-mentioned enforcement or some specific performances of amorphous and nanometer crystal alloy product.
Listed in embodiments of the present invention form is respectively:
Table 1 is the composition of embodiment of the invention spray to cast block amorphous alloy;
Table 2 is concrete technological parameter and the result in the embodiment of the invention spray to cast method;
Table 3 is the performance of embodiment of the invention spray to cast bulk amorphous alloy or amorphous and nanometer crystal alloy product.
Table 1 is the composition (atom %) of embodiment of the invention spray to cast block amorphous alloy
| Sequence number | Composition | | Composition | |
| 1 | Fe 74Cr 2Mo 2Sn 2P 10C 2B 4Si 4 | 6 | Zr 63Al 5Ni 5Cu 25Ti 2 | |
| 2 | Fe 70Cr 4Mo 4Sn 2P 10C 2B 4Si 4 | 7 | Zr 46Al 10Ni 10Cu 30Nb 4 | |
| 3 | Fe 72Al 5Ga 2P 11C 6B 4 | 8 | Zr
51Al
5Ni
5Cu
35Ti
2 | |
| 4 | Fe 72Al 5Ga 2P 11C 5B 4Si 1 | 9 | Zr 41.2Ti 13.8Cu 12.5Ni 10Be 22.5 | |
| 5 | Co 43Fe 20Ta 5.5B 31.5 | 10 | Zr 60Al 5Ni 5Cu 25Ti 2Nb 1Pd 2 |
Table 2 is concrete technological parameter and the result in the embodiment of the invention spray to cast method
| Sequence number | Spray to cast pressure (Mpa) | Relative translation speed (m/s) | Cooling fluid | Protective atmosphere | Sectional dimension wide (mm) * thick (mm) of rod or ring | The | |
| 1 | 0.03 | 1 | | Air | 2×1.5 | Amorphous | |
| 1 | 0.05 | 1 | | Air | 4×1 | Amorphous+ | |
| 2 | 0.03 | 2 | | Vacuum | 2×0.8 | Amorphous+ | |
| 2 | 0.05 | 2 | | Vacuum | 4×0.6 | Amorphous | |
| 3 | 0.1 | 6 | | Nitrogen | 2×0.4 | Amorphous | |
| 3 | 0.05 | 1 | | Nitrogen | 4×1 | Amorphous+ | |
| 4 | 0.03 | 2 | | Nitrogen | 2×0.7 | Amorphous | |
| 4 | 0.05 | 3 | | Nitrogen | 4×0.4 | Amorphous | |
| 5 | 0.05 | 2 | Water | Nitrogen | 4×0.7 | Amorphous | |
| 6 | 0.1 | 1 | Alcohol | Argon | 4×2.2 | Amorphous | |
| 7 | 0.1 | 1 | Alcohol | Argon | 4×2.2 | Amorphous+nanocrystalline | |
| 8 | 0.08 | 0.5 | Alcohol | Argon | 4×2.5 | Amorphous | |
| 9 | 0.15 | 8 | Liquid nitrogen | Argon | 2×0.3 | Amorphous | |
| 9 | 0.1 | 0.3 | Liquid | Argon gas | 4×4 | Amorphous+nanocrystalline | |
| 10 | 0.1 | 0.5 | Liquid | Argon gas | 4×2 | Amorphous |
Table 3 is the performance of embodiment of the invention spray to cast block amorphous alloy product
| Sequence number | State | Coercivity (A/m) | Vickers hardness | Product percent of |
| 1 | Amorphous | 5.3 | 780～820 | 100％ |
| 2 | Amorphous and nanocrystalline | 6.6 | 760～810 | 90％ |
| 3 | Amorphous | 5.2 | 740～780 | 100％ |
| 4 | Amorphous | 4.5 | 750～790 | 100％ |
| 5 | Amorphous | 3.8 | 730～760 | 100％ |
| 6 | Amorphous | - | 510～540 | 100％ |
| 7 | Amorphous and nanocrystalline | - | 580～640 | 90％ |
| 8 | Amorphous | - | 550～590 | 100％ |
| 9 | Amorphous and nanocrystalline | - | 610～650 | 90％ |
| 10 | Amorphous | - | 530～560 | 100％ |
Claims (4)
1; a kind of spray to cast method for preparing bulk amorphous alloy or amorphous and nanometer crystal alloy product; this method is the non-crystaline amorphous metal ingot casting after the melting to be packed into carry out fusion in the molten device of spray to cast; treat to carry out spray to cast again after the alloy liquation melts fully; carry out spray to cast for parallel relatively moving between the molten device of spray to cast that it is characterized in that this spray to cast method and the spray to cast mould; liquation is to adopt constant pressure in the molten device of spray to cast; make the spray to cast liquation under the constant pressure and flow condition; in the groove of spout place spray to cast on spray to cast mould plane by the molten device of spray to cast; relative translation speed is 0.3-8m/s between molten device of its spray to cast and the spray to cast mould; spray to cast pressure in the molten device of spray to cast is 0.03-0.15MPa; the spray to cast process adopts gas shield, and the cooling fluid in the use cooling duct parallel with groove is cooled off the spray to cast mould.
2, spray to cast method according to claim 1 is characterized in that the protective gas that is adopted in the spray to cast process is any one in nitrogen, the argon gas.
3, a kind of spray to cast device for preparing bulk amorphous alloy or amorphous and nanometer crystal alloy product, the composition of this device is in the molten device outside of spray to cast load coil to be housed, one end of the molten device of spray to cast is equipped with the spray to cast mouth, the spray to cast mould is housed below the spray to cast mouth, it is characterized in that the spray to cast mould is to adopt good copper of thermal conductivity or Cu alloy material preparation, the last transverse plane place of spray to cast mould is provided with the groove of spray to cast moulding, in the spray to cast mould, be provided with the cooling duct parallel, cooling fluid is housed in cooling duct with the spray to cast shaping groove.
4, spray to cast device according to claim 3 is characterized in that the cooling fluid that is equipped with in the cooling duct of spray to cast mould is the following liquid of zero degrees celsius, and this cooling fluid is any one in liquid nitrogen and the alcohol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310103190 CN1274444C (en) | 2003-11-07 | 2003-11-07 | Jetting casting process for preparing block amorphous and apparatus therefor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310103190 CN1274444C (en) | 2003-11-07 | 2003-11-07 | Jetting casting process for preparing block amorphous and apparatus therefor |
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| CN1541791A CN1541791A (en) | 2004-11-03 |
| CN1274444C true CN1274444C (en) | 2006-09-13 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105478727B (en) * | 2015-12-28 | 2017-07-18 | 北京科技大学 | A kind of mould and its technique for being used to prepare amorphous ring |
| CN105728728B (en) * | 2016-04-19 | 2017-04-05 | 吉林大学 | A kind of amorphous alloy material is prepared and forming integrated 3D printing method and device |
| CN106735078B (en) * | 2016-11-18 | 2019-07-05 | 中国科学院金属研究所 | The continuous precision former and technique of a kind of amorphous alloy or its composite material |
| CN109530702B (en) * | 2018-11-16 | 2021-01-29 | 苏州市台群机械有限公司 | Amorphous alloy mobile phone middle frame forming device and forming method thereof |
| CN110125347B (en) * | 2019-06-14 | 2021-06-25 | 上海交通大学 | High-momentum rapid forming preparation device and method for isometric crystal aluminum alloy |
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