CN106756141B - The gas shield solid-liquid mixing coagulation system of Cu-Nb in-situ composites - Google Patents
The gas shield solid-liquid mixing coagulation system of Cu-Nb in-situ composites Download PDFInfo
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- CN106756141B CN106756141B CN201611240035.8A CN201611240035A CN106756141B CN 106756141 B CN106756141 B CN 106756141B CN 201611240035 A CN201611240035 A CN 201611240035A CN 106756141 B CN106756141 B CN 106756141B
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- aluminium alloy
- solid
- liquid mixing
- argon gas
- heat preservation
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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
- C22C1/12—Making non-ferrous alloys by processing in a semi-solid state, e.g. holding the alloy in the solid-liquid phase
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
- B22D27/04—Influencing the temperature of the metal, e.g. by heating or cooling the mould
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
Abstract
The invention discloses a kind of gas shield solid-liquid mixing coagulation systems for the Cu Nb in-situ composites for belonging to metallic composite preparing technical field.The solid-liquid mixing coagulation system is made of five crucible, ultrasonic agitation device, argon gas pipeline, feed device, quickly cooling device parts, and the device provided through the invention can prepare the Cu Nb in-situ composite blanks of as cast condition initial grain fine uniform.Since using solidification is quickly cooled down, the Nb in alloy blank as much as possible can be dissolved among matrix, supersaturated solid solution is formed.The alloy blank that crystallite dimension is 1 20 μm can directly be prepared, can more easily by cold deformation prepare high conduction performance, high intensity Cu Nb alloy material products, the performance of this material can either be improved, and the specification and application field of this material product can be extended.
Description
Technical field
The invention belongs to metallic composite preparing technical fields.More particularly to a kind of gas of Cu-Nb in-situ composites
Body protects solid-liquid mixing coagulation system.
Background technology
Cu-Nb composite materials are as high-intensity magnetic field application material, harsh application environment (high-intensity magnetic field, superhigh temperature high stress
Deng) require material while there is good intensity, conduction and heat conductivility.It is existing studies have shown that being received when institutional framework reaches
When meter ruler cun, Cu-Nb composite materials can get high strength ＆ high electric-conduction.The stability at the interfaces Cu-Nb under nanoscale is improved,
It is one of following Cu-Nb composite materials research field urgent problem to be solved to analyse in depth research material strengthening mechanism.In reality
Application field, certain domestic flash laboratory comes into operation and breaches 90T high-intensity magnetic fields high point, but still has one at present
A little technical bottlenecks need further to study and solve.For example, still cannot achieve quantitatively, the production cycle is long, drawing process diameter
Cause Nb fibrosclerosis degree inhomogenous to force difference etc..It is asked to solve technology existing for Cu-Nb field of alloy material preparation
Topic, the invention discloses the solid-liquid mixing coagulation systems of the Cu-Nb in-situ composites under gas shield, can directly prepare
Go out the alloy blank that crystallite dimension is 1-20 μm, the preparation efficiency of this alloy wire, thin-band material can be greatly improved.
Invention content
The object of the present invention is to provide a kind of gas shield solid-liquid mixing coagulation system of Cu-Nb in-situ composites,
It is characterized in that, the solid-liquid mixing coagulation system by crucible, ultrasonic agitation device, argon gas pipeline, feed device, be quickly cooled down
Five parts of device form.It is being kept the temperature in 12 outside cladding thermal insulation material of casting device shell and shell 2,15 sealing cover of upper end cover
On material and shell 2,12 side wall upper part of casting device shell and lower part are symmetrically installed ceramic bolt 3, and heat preservation crucible 4 passes through sealing
Pedestal 5 is placed in casting device shell 12, and ultrasonic wave agitating device 7 is fixed on by sealing ring 6 keeps the temperature 4 bottom of crucible, and two
Group heating unit 9 is fixed in heat preservation 4 side wall of crucible and connects power supply 10；Feed pipe 14 is distributed on upper end cover 15, Nb powder
13 enter heat preservation crucible 4 by the charging guide rail 17 being inserted into feed pipe 14；It is inserted into thermocouple 1 and argon respectively on upper end cover 15
Feed channel 11；Thermocouple 1 connects power supply 10, and argon gas pipeline 11 connects argon bottle 16；The quickly cooling device is included in metal
Cooling duct 23 is set in 24 wall of mold, and cast riser 21 is fixed on 24 upper end of metal die, and 21 center of cast riser is cast
Channel 25；Casting mold 22 is placed in metal die 24, and coolant liquid 26 is connected with cooling duct 23, and fast quickly cooling is recycled with coolant liquid
But, aluminium alloy is made to be rapidly cooled to solidify.
A kind of solid-liquid mixing coagulation system makes the method that Cu-Nb in-situ composite mixing solid-liquids quickly solidify.Its feature
It is, the specific steps are：
(1) pure Cu and pure Nb raw materials are put into according to pre-set proportioning in heat preservation crucible 4 first, and it is carried out
It is heated to melting, and keeps the temperature；
(2) argon gas is blown into 8 surface of aluminium alloy of fusing by argon gas pipeline 11, to prevent aluminium alloy surface oxidation and stir
It splashes when mixing；
(3) Nb powder 13 is beaten simultaneously by being pushed into 8 surface of aluminium alloy by the charging guide rail 17 being inserted into feed pipe 14
Aluminium alloy 8 and Nb powder 13 are thoroughly mixed uniformly by the power supply for opening ultrasonic wave agitating device；
(4) after aluminium alloy 8 is sufficiently mixed with Nb powder 13, it is poured into a mould to the cast in 21 center of riser from quickly cooling device
Channel 25 is poured into casting mold 22, is quickly cooled down using coolant liquid cycle, aluminium alloy is made to be rapidly cooled to solidify.
The beneficial effects of the invention are as follows the devices provided through the invention can prepare as cast condition initial grain fine uniform
Cu-Nb in-situ composite blanks.Since using solidification is quickly cooled down, the Nb in alloy blank as much as possible can dissolve
Among matrix, supersaturated solid solution is formed.The alloy blank that crystallite dimension is 1-20 μm can be directly prepared, it can be more
Easily by cold deformation prepare high conduction performance, high intensity Cu-Nb alloy material products, this material can either be improved
Performance, and the specification and application field of this material product can be extended.
Description of the drawings
Fig. 1 is that the molten metal thermal insulation of solid-liquid solidified cast and casting device pass through schematic diagram, in figure:1 is thermocouple；2 are
Thermal insulation material shell；3 be ceramic bolt；4 be heat preservation crucible；5 be sealed base；6 be sealing ring；7 be ultrasonic wave agitating device；
8 be molten metal；9 be heating unit；10 be power supply；11 be argon gas pipeline；12 be casting device shell；13 be metal powder；14
For for feed pipe；15 be upper end cover；16 be argon bottle；17 be charging guide rail.
Fig. 2 is casting moulds and quick solidification apparatus structural schematic diagram.In figure:21 be cast riser；22 be casting mold；23
For cooling duct；24 be metal die；25 be cast channel；26 be coolant liquid.
Specific implementation mode
The present invention provides a kind of gas shield solid-liquid mixing coagulation system of Cu-Nb in-situ composites, with reference to
Attached drawing and the embodiment present invention is illustrated.
Fig. 1 show the molten metal thermal insulation of solid-liquid solidified cast and casting device passes through schematic diagram, and Fig. 2 show cast
Mould and quick solidification apparatus structural schematic diagram.Solid-liquid mixing coagulation system shown in FIG. 1 is by crucible, ultrasonic agitation device, argon gas
Five pipeline, feed device, quickly cooling device parts form.In 12 outside cladding thermal insulation material of casting device shell and shell
2, for 15 sealing cover of upper end cover on thermal insulation material and shell 2,12 side wall upper part of casting device shell and lower part are symmetrically installed ceramics
Bolt 3, heat preservation crucible 4 are placed on by sealed base 5 in casting device shell 12, and ultrasonic wave agitating device 7 passes through sealing ring 6
It is fixed on 4 bottom of heat preservation crucible, two groups of heating units 9 are fixed in heat preservation 4 side wall of crucible and connect power supply 10；Feed pipe 14 is equal
For cloth on upper end cover 15, Nb powder 13 enters heat preservation crucible 4 by the charging guide rail 17 being inserted into feed pipe 14；In upper end cover 15
It is upper to be inserted into thermocouple 1 and argon gas pipeline 11 respectively；Thermocouple 1 connects power supply 10, and argon gas pipeline 11 connects argon bottle 16.
Quickly cooling device shown in Fig. 2 includes the setting cooling duct 23 in 24 wall of metal die, and cast riser 21 is solid
It is scheduled on 24 upper end of metal die, 21 center of cast riser is cast channel 25；Casting mold 22 is placed in metal die 24, cooling
Liquid 26 is connected with cooling duct 23, is quickly cooled down with coolant liquid cycle, aluminium alloy is made to be rapidly cooled to solidify.
The operation principle of the gas shield solid-liquid mixing coagulation system of Cu-Nb in-situ composites：The specific steps are：
(1) first by pure Cu and pure Nb raw materials according in the pre-set heat preservation crucible 4 for matching and being put into Fig. 1, and
It is carried out being heated to melting, and is kept the temperature；Heating process is controlled and is recorded by thermocouple 1 and heating unit 9, and filling is poured
Melt heat preservation can be played the role of, improve the efficiency of heating surface by setting 12 outside cladding thermal insulation material of shell and shell 2, upper end cover 15,
Ceramic bolt 3 is then the retaining element between thermal insulation material and shell 2 and heat preservation crucible 4 in Fig. 1；
(2) argon gas is blown into 8 surface of aluminium alloy of fusing by argon gas pipeline 11, to prevent aluminium alloy surface oxidation and stir
It splashes when mixing；
(3) Nb powder 13 is pushed into 8 surface of aluminium alloy by the charging guide rail 17 being inserted into feed pipe 14, opened simultaneously super
Aluminium alloy 8 and Nb powder 13 are thoroughly mixed uniformly by the power supply 10 of sonic agitation device 7；5 He of sealed base in Fig. 1
Sealing ring 6 then plays the role of fixed and protects 7 ultrasonic oscillators.
(4) after aluminium alloy 8 is sufficiently mixed with Nb powder 13, by it from the quickly cooling device cast riser 21 in Fig. 2
The cast channel 25 of centre is poured into casting mold 22, is quickly cooled down using coolant liquid cycle, aluminium alloy is made to be rapidly cooled to coagulate
Gu.
Claims (2)
1. a kind of gas shield solid-liquid mixing coagulation system of Cu-Nb in-situ composites, which is characterized in that the solid-liquid mixing
Coagulation system is made of five crucible, ultrasonic agitation device, argon gas pipeline, feed device, quickly cooling device parts；It is pouring into a mould
Cladding thermal insulation material and shell (2) outside device case (12), upper end cover (15) sealing cover on thermal insulation material and shell (2),
Casting device shell (12) side wall upper part and lower part are symmetrically installed ceramic bolt (3), and heat preservation crucible (4) passes through sealed base (5)
It being placed in casting device shell (12), ultrasonic wave agitating device (7) is fixed on heat preservation crucible (4) bottom by sealing ring (6),
Two groups of heating units (9) are fixed in heat preservation crucible (4) side wall and connect power supply (10)；Feed pipe (14) is distributed on upper end cover
(15) on, Nb powder (13) enters heat preservation crucible (4) by the charging guide rail (17) being inserted into feed pipe (14)；In upper end cover
(15) thermocouple (1) and argon gas pipeline (11) are inserted on respectively；Thermocouple (1) connects power supply (10), argon gas pipeline (11) connection
Argon bottle (16)；The quickly cooling device, which is included in metal die (24) wall, is arranged cooling duct (23), pours into a mould riser
(21) it is fixed on metal die (24) upper end, cast riser (21) center is cast channel (25)；Casting mold (22) is placed on gold
Belong in mold (24), coolant liquid (26) is connected with cooling duct (23), is quickly cooled down with coolant liquid cycle, is kept aluminium alloy cold rapidly
But to solidification.
2. a kind of gas shield solid-liquid mixing coagulation system of Cu-Nb in-situ composites described in claim 1 keeps Cu-Nb former
The method that position composite material mixing solid-liquid quickly solidifies, which is characterized in that the specific steps are：
(1) pure Cu and pure Nb raw materials are put into according to pre-set proportioning in heat preservation crucible (4) first, and it is added
Heat obtains aluminium alloy (8), and keep the temperature to melting；
(2) argon gas is blown into aluminium alloy (8) surface of fusing by argon gas pipeline (11), to prevent aluminium alloy surface oxidation and stir
It splashes when mixing；
(3) Nb powder (13) is pushed into aluminium alloy (8) surface by the charging guide rail (17) being inserted into feed pipe (14), beaten simultaneously
Aluminium alloy (8) and Nb powder (13) are thoroughly mixed uniformly by the power supply for opening ultrasonic wave agitating device；
(4) after aluminium alloy (8) is sufficiently mixed with Nb powder (13), by its pouring from quickly cooling device cast riser (21) center
Note channel (25) is poured into casting mold (22)) in, it is quickly cooled down using coolant liquid cycle, aluminium alloy is made to be rapidly cooled to coagulate
Gu.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611240035.8A CN106756141B (en) | 2016-12-28 | 2016-12-28 | The gas shield solid-liquid mixing coagulation system of Cu-Nb in-situ composites |
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| CN201611240035.8A CN106756141B (en) | 2016-12-28 | 2016-12-28 | The gas shield solid-liquid mixing coagulation system of Cu-Nb in-situ composites |
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| CN106756141B true CN106756141B (en) | 2018-08-28 |
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| CN109226720B (en) * | 2018-08-20 | 2021-02-12 | 江苏大学 | Semi-solid metal plastic processing method and device based on combination of laser shock and ultrasonic vibration |
| CN109604572B (en) * | 2018-12-05 | 2021-01-01 | 马鞍山市万鑫铸造有限公司 | Metal wear-resistant medium casting equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101509112A (en) * | 2009-04-03 | 2009-08-19 | 西北有色金属研究院 | Process for producing Cu-Nb composite material |
| CN101717872A (en) * | 2009-12-21 | 2010-06-02 | 中南大学 | Method for preparing nano dispersion reinforced elastic Cu-Nb alloy |
| CN103498063A (en) * | 2013-09-18 | 2014-01-08 | 北京航空航天大学 | Method for performing purified smelting on high-temperature alloy return material by using yttrium oxide crucible |
| CN104474954A (en) * | 2014-12-18 | 2015-04-01 | 中国电子工程设计院 | Solid-liquid mixing device and solid-liquid mixing method |
| CN104785577A (en) * | 2015-04-30 | 2015-07-22 | 西北有色金属研究院 | Cu-Nb composite wire straightening device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH072978B2 (en) * | 1985-05-20 | 1995-01-18 | 株式会社神戸製鋼所 | Manufacturing method of high-performance compound superconducting materials by powder metallurgy. |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101509112A (en) * | 2009-04-03 | 2009-08-19 | 西北有色金属研究院 | Process for producing Cu-Nb composite material |
| CN101717872A (en) * | 2009-12-21 | 2010-06-02 | 中南大学 | Method for preparing nano dispersion reinforced elastic Cu-Nb alloy |
| CN103498063A (en) * | 2013-09-18 | 2014-01-08 | 北京航空航天大学 | Method for performing purified smelting on high-temperature alloy return material by using yttrium oxide crucible |
| CN104474954A (en) * | 2014-12-18 | 2015-04-01 | 中国电子工程设计院 | Solid-liquid mixing device and solid-liquid mixing method |
| CN104785577A (en) * | 2015-04-30 | 2015-07-22 | 西北有色金属研究院 | Cu-Nb composite wire straightening device |
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Effective date of registration: 20191111 Address after: 101407 Beijing city Huairou District Yanqi Economic Development Zone Branch Hing Street No. 11 Patentee after: Research Institute of engineering and Technology Co., Ltd. Address before: 100088 Beijing city Xicheng District Xinjiekou Avenue No. 2 Patentee before: General Research Institute for Nonferrous Metals |