CN106670430A - Hot isostatic pressing steeping system and method and carbon/metal composite material - Google Patents
Hot isostatic pressing steeping system and method and carbon/metal composite material Download PDFInfo
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- CN106670430A CN106670430A CN201611239063.8A CN201611239063A CN106670430A CN 106670430 A CN106670430 A CN 106670430A CN 201611239063 A CN201611239063 A CN 201611239063A CN 106670430 A CN106670430 A CN 106670430A
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- dividing plate
- hip
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D23/00—Casting processes not provided for in groups B22D1/00 - B22D21/00
- B22D23/04—Casting by dipping
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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
- C22C1/10—Alloys containing non-metals
- C22C1/1036—Alloys containing non-metals starting from a melt
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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
- C22C1/10—Alloys containing non-metals
- C22C1/1036—Alloys containing non-metals starting from a melt
- C22C1/1073—Infiltration or casting under mechanical pressure, e.g. squeeze casting
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
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- Organic Chemistry (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
Abstract
The invention discloses a hot isostatic pressing steeping system. The hot isostatic pressing steeping system comprises a sheath and a hot isostatic pressing machine. The sheath comprises an upper end cover, a high-pressure air inlet partition plate, a vacuum pumping pipe, a cylinder, a material bearing partition plate and a lower end cover. The high-pressure air inlet partition plate is arranged on the upper end cover, and the cylinder is sealed and connected to form a sealed container through the upper end cover, the high-pressure air inlet partition plate and the lower end cover. The bursting pressure of the high-pressure air inlet partition plate is smaller than the bursting pressure of the upper end cover. The vacuum pumping pipe communicates with the cylinder through the upper end cover. An inner cavity in the cylinder is divided into an upper inner cavity and a lower inner cavity through the material bearing partition plate. Multiple through holes are distributed in the material bearing partition plate. The sheath is arranged in a working area of the hot isostatic pressure machine. The invention further discloses a hot isostatic pressing steeping method and a carbon/metal composite material. It is ensured that inner steeping is even and sufficient, high-quality steeping of the large-size carbon/metal composite material is achieved, continuous work can be conducted, the production efficiency is high, and the cost is low.
Description
Technical field
The present invention relates to technical field of composite preparation, more particularly to a kind of high temperature insostatic pressing (HIP) dipping systems, method and carbon/
Metallic composite.
Background technology
Nanocarbon/metal composite material has the dual property of carbon base body and impregnating metal, such as carbon/carbon/carbon-copper composite material, has
The excellent lubrication of carbon base body, wear resistance, while the superior electrical conductivity energy with copper, extremely wide in the application of electrical contact field
It is general.
At present, the preparation technology of high-performance nanocarbon/metal composite material is mainly high temperature insostatic pressing (HIP) dipping, by high temperature insostatic pressing (HIP)
To impregnation pressure so that molten metal is fully infiltrated in the hole of carbon base body, the factor for affecting dipping effect is：High temperature insostatic pressing (HIP)
Impregnation pressure and carbon base body in residual gas content, its relation is：Impregnation pressure is higher, impregnates more abundant, dipping effect
It is more excellent；Residual gas content in carbon base body is fewer, and dipping resistance is lower, and dipping effect is more excellent.Therefore, before dipping,
The residual porosity in carbon base body is discharged as far as possible by evacuation very necessary.Such as Chinese Patent Application No.
The patent application of No.200710158757.3 provides " a kind of carbon graphite thermal isostatic pressing silver leaching process ", is by prefabricated silver bag
Graphite ingot is heated to silver-colored fully fusing, and break heating power supply, and it is 200~1000Pa to be evacuated to vacuum, its object is to release
Argon filling after residual gas in carbon base body, then electrified regulation and impregnate, Jing machinings obtain final product required impregnated material after cooling.
Due to the principle and structure setting of hot isostatic apparatus, the state that vacuum system is unable to reach fine vacuum is (above-mentioned special
Profit be 200~1000Pa), when impregnate part size it is larger when, the residual gas in charcoal graphite matrix after impregnating the phase can be formed compared with
High interior pressure resistance, it is difficult to obtain high-quality homogeneous impregnation, while technique needs are previously prepared before high temperature insostatic pressing (HIP) dipping
Silver-colored bag graphite ingot, technological process is longer.
The content of the invention
In view of above-mentioned analysis, an object of the present invention, there is provided a kind of high temperature insostatic pressing (HIP) dipping systems, to solve traditional heat
Isostatic pressed dipping systems cannot be realized carrying out the technical problem of high temperature insostatic pressing (HIP) dipping in the state of fine vacuum.
The second object of the present invention, there is provided a kind of high temperature insostatic pressing (HIP) dipping method, to overcome traditional high temperature insostatic pressing (HIP) dipping process
Middle internal residual gas inhibition and the discontinuous technical problem of technique.
A kind of third object of the present invention, there is provided nanocarbon/metal composite material.
One of in order to achieve the above object, the present invention adopts the following technical scheme that realization：
A kind of high temperature insostatic pressing (HIP) dipping systems, the high temperature insostatic pressing (HIP) dipping systems include jacket and hot isostatic press；
The jacket includes upper end cover 1, high pressure admission dividing plate 2, vacuum-pumping tube 3, cylinder 4, bearing material dividing plate 6 and bottom end cover 8；
The high pressure admission dividing plate 2 is arranged on the upper end cover 1；The upper end cover 1, high pressure admission dividing plate 2 and lower end
The cylinder 4 is tightly connected into a sealing container by lid 8；The burst pressure of the high pressure admission dividing plate 2 is less than the upper end
The burst pressure of the other parts of lid 1；
The vacuum-pumping tube 3 is connected by the upper end cover 1 with the cylinder 4；
The inner chamber of the cylinder 4 is divided into upper inner chamber and lower inner cavity by the bearing material dividing plate 6；The upper inner chamber and lower inner cavity
It is respectively used to place impregnating metal and workpiece to be soaked；The impregnating metal is placed on the bearing material dividing plate 6；The bearing material dividing plate 6
On several through holes are distributed with；
The jacket is placed in the working area of the hot isostatic press.
Further, the burst pressure of the high pressure admission dividing plate 2 is 1~5MPa.
Further, the high pressure admission dividing plate 2 generally circular in shape, a diameter of 30~50mm, thickness is 0.4~
1.0mm。
Further, the thickness of the bearing material dividing plate 6 is 10~15mm；The aperture of the through hole is 10~20mm.
Further, the jacket is molybdenum jacket.
Above-mentioned bearing material dividing plate 6 adopts loose structure, is on the one hand the impregnating metal fusing for ensureing to be placed on bearing material dividing plate 6
Afterwards, jacket bottom can be flowed into by hole, floods workpiece to be soaked；On the other hand it is the buoyancy for preventing workpiece to be soaked in alloy melt
Effect float downward, it is ensured that workpiece to be soaked is submerged in all the time in alloy melt.The burst pressure of high pressure admission dividing plate 2 is 1~5MPa,
On the one hand ensure before dipping, jacket evacuation simultaneously will evacuate sealing after pipeline is sealed up, until impregnating metal melts and will wait to soak
Stain workpiece submergence；On the other hand ensure that, when being forced into more than burst pressure, high pressure admission dividing plate 2 ruptures, high pressure argon gas are entered
Inside jacket, act on and start on molten metal supertension dipping.
Two in order to achieve the above object, the present invention adopts the following technical scheme that realization：
A kind of high temperature insostatic pressing (HIP) dipping method, the high temperature insostatic pressing (HIP) dipping method is using high temperature insostatic pressing (HIP) dipping system described above
System is realized, comprised the steps：
Step one, by impregnating metal and after leaching workpiece be respectively charged in the upper inner chamber of jacket and lower inner cavity after seal；
Step 2, the vacuum being evacuated in cylinder 4 by vacuum-pumping tube 3 are 10-2~10-3Big envelope after Pa；
Step 3, the jacket after big envelope is put in hot isostatic press impregnated；
Power-off cooling after step 4, dipping, takes out the metal that jacket and nanocarbon/metal composite material surface are removed after jacket,
Obtain nanocarbon/metal composite material.
This step can adopt the method for machining to remove the metal on jacket and nanocarbon/metal composite material surface.
Further, in step one, the impregnating metal can at least fill up idle space and workpiece to be soaked after being completely melt
Internal void；
The idle space is other spaces in the lower inner cavity in addition to the space occupied by the workpiece to be soaked；It is described
The interior porosity of workpiece to be soaked is 10~30%.
Further, the detailed process in step 3 is：
Step 31, the jacket after big envelope is placed in the working area of hot isostatic press, argon is passed through to 0.1MPa, according to 5
The heating rate of~10 DEG C/min, heat temperature raising, until temperature is higher than the fusing point of the impregnating metal 100~200 DEG C, insulation
0.5~2h；The temperature retention time can ensure that the impregnating metal after being completely melt covers the upper surface of the bearing material dividing plate 6.
Step 32, continue to be passed through high pressure argon gas, until the pressure on high pressure admission dividing plate 2 exceedes high pressure admission dividing plate 2
Rupture after burst pressure, high pressure argon gas are entered in jacket；
Step 33, continue to be passed through high pressure argon gas, under the impregnation pressure of 50~200MPa, impregnate 0.5~2h.
Further, the workpiece to be soaked is graphite or carbon/carbon compound material；The impregnating metal be fine aluminium, aluminium alloy,
One kind in fine silver, silver alloy, fine copper or copper alloy.
Above-mentioned high temperature insostatic pressing (HIP) dipping method, the pickup of its impregnating metal is the 99~100% of theoretical pickup.
Three in order to achieve the above object, the present invention adopts the following technical scheme that realization：
A kind of nanocarbon/metal composite material prepared using high temperature insostatic pressing (HIP) dipping method described above；The nanocarbon/metal is answered
Carbon in condensation material is 70~90 with metal volume fraction：10~30.
The present invention has the beneficial effect that：
1st, the present invention is placed in impregnating metal and workpiece to be soaked in jacket, using vacuum tube evacuation, and by bearing one
The high pressure admission dividing plate of constant-pressure, that is, seal the mode of jacket forvacuum, so as to compensate for traditional hot isostatic apparatus vacuum
System is unable to reach the deficiency of fine vacuum, realizes state of the material in fine vacuum before dipping, significantly reduces high pressure leaching
Residual gas content during stain inside material, it is ensured that impregnated inside uniformly fully, realizes large scale nanocarbon/metal composite material
High quality of impregnation.
2nd, the whole step of dipping process one of the present invention is completed, without the need for previously prepared metal bag graphite ingot, while eliminating repeatedly
Heating so that operation is continuous, production efficiency is high, low cost.
3rd, the temperature that molybdenum jacket of the present invention can bear is high, can meet fine aluminium and aluminium alloy, fine silver and silver alloy, fine copper and copper
The dipping of the metals such as alloy.
Other features and advantages of the present invention will be illustrated in the following description, also, the partial change from description
Obtain it is clear that or being understood by implementing the present invention.The purpose of the present invention and other advantages can be by the explanations write
Specifically noted structure is realizing and obtain in book, claims and accompanying drawing.
Description of the drawings
Accompanying drawing is only used for illustrating the purpose of specific embodiment, and is not considered as limitation of the present invention, in whole accompanying drawing
In, identical reference markss represent identical part.
Fig. 1 is the structural representation of jacket in the present invention；
In figure, 1, upper end cover；2nd, high pressure admission dividing plate；3rd, vacuum-pumping tube；4th, cylinder；5th, impregnating metal；6th, bearing material dividing plate；
7th, workpiece to be soaked；8th, bottom end cover.
Specific embodiment
Below in conjunction with the accompanying drawings specifically describing the preferred embodiments of the present invention, wherein, accompanying drawing constitutes the application part, and
It is used to together with embodiments of the present invention explain the principle of the present invention.
This gives a kind of high temperature insostatic pressing (HIP) dipping systems, the high temperature insostatic pressing (HIP) dipping systems include that jacket and heat etc. are quiet
Press, jacket is placed in the working area of hot isostatic press.Hot isostatic press mainly by host computer system (cylinder and framework), heating every
Hot systems, vacuum system, gas pressurization system, cooling system, control system composition.
The jacket of the present embodiment is molybdenum jacket, its structural reference Fig. 1, including upper end cover 1, high pressure admission dividing plate 2, evacuation
Pipe 3, cylinder 4, bearing material dividing plate 6 and bottom end cover 8.Wherein, high pressure admission dividing plate 2 is arranged on upper end cover 1, and for upper end cover 1
A part.Cylinder 4 is tightly connected into a sealing container by upper end cover 1, high pressure admission dividing plate 2 and bottom end cover 8.High pressure admission every
(the as plectane) generally circular in shape of plate 2, its thickness be 0.4~1.0mm, a diameter of 30~50mm, with ensure high pressure admission every
The burst pressure of plate 2 less than the burst pressure of the other parts of upper end cover 1, the burst pressure of high pressure admission dividing plate 2 is preferably 1~
5MPa.When the pressure born on high pressure admission dividing plate 2 is more than burst pressure, high pressure admission dividing plate 2 ruptures, upper end cover
1 other parts do not rupture.Vacuum-pumping tube 3 is connected by upper end cover 1 with cylinder 4, is noncontact with high pressure admission dividing plate 2
(i.e. vacuum-pumping tube 3 is arranged on other positions of upper end cover 1 for removing high pressure admission dividing plate 2).Bearing material dividing plate 6 is by the inner chamber of cylinder 4
It is divided into upper inner chamber and lower inner cavity, upper inner chamber and lower inner cavity are respectively used to place impregnating metal and workpiece to be soaked, and impregnating metal is put
On bearing material dividing plate 6.The thickness of bearing material dividing plate 6 is 10~15mm, and several through holes are distributed with thereon, and the aperture of the through hole is 10
~20mm.
The present embodiment is placed in impregnating metal and workpiece to be soaked in jacket, using vacuum-pumping tube evacuation, and by bearing
The high pressure admission dividing plate of certain pressure, that is, seal the mode of jacket forvacuum, true so as to compensate for traditional hot isostatic apparatus
Empty set system is unable to reach the deficiency of fine vacuum, realizes state of the material in fine vacuum before dipping, significantly reduces high pressure
Residual gas content during dipping inside material, it is ensured that impregnated inside uniformly fully, realizes large-size carbon/Metals composite
The high quality of impregnation of material；The whole step of dipping process one is completed, without the need for previously prepared metal bag graphite ingot, while eliminate adding repeatedly
Heat so that operation is continuous, production efficiency is high, low cost；Temperature that molybdenum jacket can bear is high, can meet fine aluminium, aluminium alloy, pure
The dipping of the metals such as silver, silver alloy, fine copper, copper alloy.
Below the technical scheme of the high temperature insostatic pressing (HIP) dipping method of the present invention is illustrated with specific embodiment.
Embodiment 1：
Carbon-copper volume ratio is prepared for 73:27 carbon carbon/carbon/carbon-copper composite material
The 1st, the carbon carbon composite that industrial pure copper and porosity are 27% is respectively charged into the upper inner chamber and lower inner cavity of jacket
In after sealing, the addition of industrial pure copper is with the idle space and carbon carbon composite that can fill up in lower inner cavity after being completely melt
The hole in portion is defined.
Wherein, the copper content of industrial pure copper is more than 99.5%.
2nd, the vacuum being evacuated in cylinder 4 by vacuum-pumping tube 3 is 10-2Big envelope after a.
3rd, the jacket after big envelope is put in the working area of hot isostatic press, argon is passed through to 0.1MPa, according to 5 DEG C/min
Heating rate, after being heated to 1250 DEG C, be incubated 1h, high pressure argon gas are filled with, until pressure is more than 5MPa (i.e. high pressure admissions
The burst pressure of dividing plate 2), a diameter of 30mm, thickness rupture for the high pressure admission dividing plate 2 of 1mm, and high pressure argon gas enter jacket
It is interior, high pressure argon gas are further charged with to 150MPa, impregnate 1.0h.
4th, after the completion of impregnating, jacket is taken out in power-off cooling, and using machining by jacket and carbon/composite copper material
The copper of material excess surface is removed, and obtains final product required carbon/carbon/carbon-copper composite material product.
The pickup of the present embodiment copper reaches the 99.8% of theoretical pickup.
Embodiment 2：
Carbon-silver volume ratio is prepared for 70:30 graphite/silver composite material
1st, sealing after the graphite that industrial fine silver and porosity are 30% is respectively charged in the upper inner chamber of jacket and lower inner cavity.
Hole inside idle space that the addition of industrial fine silver can be filled up in lower inner cavity after being completely melt and graphite is defined.Its
In, the silver content of industrial fine silver is more than 99.5%.
2nd, the vacuum being evacuated in cylinder 4 by vacuum-pumping tube 3 is 10-3Big envelope after a.
3rd, the jacket after big envelope is put in the working area of hot isostatic press, is passed through argon to 0.1MPa, according to 10 DEG C/
The heating rate of min, after being heated to 1100 DEG C, is incubated 0.5h, is filled with high pressure argon gas, until pressure is (i.e. high more than 3MPa
It is pressed into the burst pressure of air bound plate 2), a diameter of 40mm, thickness rupture for the high pressure admission dividing plate 2 of 0.7mm, high pressure argon gas
Into in jacket, it is further charged with high pressure argon gas and boosts to 50MPa, impregnates 2h.
4th, after the completion of impregnating, jacket is taken out in power-off cooling, and using machining by jacket and carbon/composite copper material
The copper of material excess surface is removed, and obtains final product required carbon/silver composite material product.
The pickup of the present embodiment silver reaches the 99.2% of theoretical pickup.
Embodiment 3：
Carbon-copper volume ratio is prepared for 80:20 graphite/signal bronze composite
The 1st, signal bronze (Theil indices 6.5wt.%) and graphite that porosity is 20% are respectively charged into the upper inner chamber of jacket
With rear sealing in lower inner cavity.The addition of signal bronze is with the idle space and graphite that can fill up in lower inner cavity after being completely melt
The hole in portion is defined.
2nd, the vacuum being evacuated in cylinder 4 by vacuum-pumping tube 3 is 10-3Big envelope after a.
3rd, the jacket after big envelope is put in the working area of hot isostatic press, argon is passed through to 0.1MPa, according to 7 DEG C/min
Heating rate, after being heated to 1200 DEG C, be incubated 2h, high pressure argon gas are filled with, until pressure is more than 4MPa (i.e. high pressure admissions
The burst pressure of dividing plate 2), a diameter of 35mm, thickness rupture for the high pressure admission dividing plate 2 of 0.8mm, and high pressure argon gas enter bag
In set, it is further charged with high pressure argon gas and boosts to 180MPa, impregnates 1.5h.
4th, after the completion of impregnating, jacket is taken out in power-off cooling, and using machining by jacket and carbon/composite copper material
The signal bronze of material excess surface is removed, and obtains final product required composite products.
The pickup of the present embodiment signal bronze reaches the 100% of theoretical pickup.
Embodiment 4：
Carbon-aluminum volume ratio is prepared for 90:10 graphite/aluminium composite material
1st, sealing after the graphite that commercial-purity aluminium and porosity are 10% is respectively charged in the upper inner chamber of jacket and lower inner cavity.
Hole inside idle space that the addition of commercial-purity aluminium can be filled up in lower inner cavity after being completely melt and graphite is defined.
2nd, the vacuum being evacuated in cylinder 4 by vacuum-pumping tube 3 is 10-3Big envelope after a.
3rd, the jacket after big envelope is put in the working area of hot isostatic press, argon is passed through to 0.1MPa, according to 9 DEG C/min
Heating rate, after being heated to 800 DEG C, be incubated 1.5h, be filled with high pressure argon gas, until pressure (i.e. height is pressed into more than 1MPa
The burst pressure of air bound plate 2), a diameter of 50mm, thickness rupture for the high pressure admission dividing plate 2 of 0.4mm, and high pressure argon gas are entered
In jacket, 200MPa is further boosted to, impregnate 0.5h.
4th, after the completion of impregnating, jacket is taken out in power-off cooling, and is combined jacket and graphite/aluminum using machining
The unnecessary aluminum of material surface is removed, and obtains final product required composite products.
The pickup of the present embodiment aluminum reaches the 99.5% of theoretical pickup.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art the invention discloses technical scope in, the change or replacement that can be readily occurred in,
All should be included within the scope of the present invention.
Claims (10)
1. a kind of high temperature insostatic pressing (HIP) dipping systems, it is characterised in that the high temperature insostatic pressing (HIP) dipping systems include jacket and high temperature insostatic pressing (HIP)
Machine；
The jacket include upper end cover (1), high pressure admission dividing plate (2), vacuum-pumping tube (3), cylinder (4), bearing material dividing plate (6) and under
End cap (8)；
The high pressure admission dividing plate (2) is arranged on the upper end cover (1)；The upper end cover (1), high pressure admission dividing plate (2) and
The cylinder (4) is tightly connected into a sealing container by bottom end cover (8)；The burst pressure of the high pressure admission dividing plate (2) is little
In the burst pressure of the upper end cover (1) other parts；
The vacuum-pumping tube (3) is connected by the upper end cover (1) with the cylinder (4)；
The inner chamber of the cylinder (4) is divided into upper inner chamber and lower inner cavity by the bearing material dividing plate (6)；The upper inner chamber and lower inner cavity
It is respectively used to place impregnating metal and workpiece to be soaked；The impregnating metal is placed on the bearing material dividing plate (6)；The bearing material dividing plate
(6) several through holes are distributed with；
The jacket is placed in the working area of the hot isostatic press.
2. high temperature insostatic pressing (HIP) dipping systems according to claim 1, it is characterised in that the high pressure admission dividing plate (2) it is quick-fried
Broken pressure is 1~5MPa.
3. high temperature insostatic pressing (HIP) dipping systems according to claim 1, it is characterised in that the shape of the high pressure admission dividing plate (2)
Shape is circle, a diameter of 30~50mm, and thickness is 0.4~1.0mm.
4. high temperature insostatic pressing (HIP) dipping systems according to claim 1, it is characterised in that the thickness of the bearing material dividing plate (6) is
10~15mm；The aperture of the through hole is 10~20mm.
5. high temperature insostatic pressing (HIP) dipping systems according to claim 1 or 2 or 3 or 4, it is characterised in that the jacket is molybdenum bag
Set.
6. a kind of high temperature insostatic pressing (HIP) dipping method, it is characterised in that the high temperature insostatic pressing (HIP) dipping method is appointed using in claim 1-5
High temperature insostatic pressing (HIP) dipping systems described in one are realized, comprised the steps：
Step one, by impregnating metal and after leaching workpiece be respectively charged in the upper inner chamber of jacket and lower inner cavity after seal；
Step 2, the vacuum being evacuated in cylinder (4) by vacuum-pumping tube (3) are 10-2~10-3Big envelope after Pa；
Step 3, the jacket after big envelope is put in hot isostatic press impregnated；
Power-off cooling after step 4, dipping, takes out the metal that jacket and nanocarbon/metal composite material surface are removed after jacket, obtains
Nanocarbon/metal composite material.
7. high temperature insostatic pressing (HIP) dipping method according to claim 6, it is characterised in that in step one, the impregnating metal is complete
The internal void of idle space and workpiece to be soaked can be at least filled up after running down；
The idle space is other spaces in the lower inner cavity in addition to the space occupied by the workpiece to be soaked；It is described to wait to soak
The interior porosity of workpiece is 10~30%.
8. high temperature insostatic pressing (HIP) dipping method according to claim 6, it is characterised in that the detailed process in step 3 is：
Step 31, the jacket after big envelope is placed in the working area of hot isostatic press, argon is passed through to 0.1MPa, according to 5~10
DEG C/heating rate of min, heat temperature raising, until temperature is higher than the fusing point of the impregnating metal 100~200 DEG C, insulation 0.5~
2h；
Step 32, continue to be passed through high pressure argon gas, until the pressure on high pressure admission dividing plate (2) exceedes high pressure admission dividing plate (2)
Rupture after burst pressure, high pressure argon gas are entered in jacket；
Step 33, continue to be passed through high pressure argon gas, under the impregnation pressure of 50~200MPa, impregnate 0.5~2h.
9. the high temperature insostatic pressing (HIP) dipping method according to claim 6 or 7 or 8, it is characterised in that the workpiece to be soaked is graphite
Or carbon/carbon compound material；The impregnating metal is the one kind in fine aluminium, aluminium alloy, fine silver, silver alloy, fine copper or copper alloy.
10. the nanocarbon/metal composite wood that prepared by the high temperature insostatic pressing (HIP) dipping method any one of a kind of employing claim 6-9
Material, it is characterised in that the carbon in the nanocarbon/metal composite material is 70~90 with metal volume fraction：10~30.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111479940A (en) * | 2017-11-30 | 2020-07-31 | 先进复合材料株式会社 | Method for producing aluminum alloy-based composite material and aluminum alloy-based composite material |
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| CN106670430B (en) | 2019-04-26 |
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