CN106914622A - A kind of superelevation isostatic pressed static temperature environment generation device and method - Google Patents
A kind of superelevation isostatic pressed static temperature environment generation device and method Download PDFInfo
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- CN106914622A CN106914622A CN201710145588.3A CN201710145588A CN106914622A CN 106914622 A CN106914622 A CN 106914622A CN 201710145588 A CN201710145588 A CN 201710145588A CN 106914622 A CN106914622 A CN 106914622A
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- liquid metal
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- static pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/12—Both compacting and sintering
- B22F3/14—Both compacting and sintering simultaneously
- B22F3/15—Hot isostatic pressing
- B22F3/156—Hot isostatic pressing by a pressure medium in liquid or powder form
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
- B30B11/001—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a flexible element, e.g. diaphragm, urged by fluid pressure; Isostatic presses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/12—Both compacting and sintering
- B22F3/14—Both compacting and sintering simultaneously
- B22F3/15—Hot isostatic pressing
- B22F2003/153—Hot isostatic pressing apparatus specific to HIP
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Manufacturing & Machinery (AREA)
- Optics & Photonics (AREA)
- Press Drives And Press Lines (AREA)
Abstract
The present invention relates to a kind of superelevation isostatic pressed static temperature environment generation device and method, for providing the 4000MPa of static pressure 100, the isostatic pressed static temperature environment of 300 2000 degrees Celsius of static temperature degree.Environment physical condition for needed for pulverulent material hot pressing, the connection of different metal materials interface are provided.Present invention proposition use higher boiling (>2000 degree) liquid metal carries out heating and obtains static temperature high as working medium, while using local direct weighting mode, high static pressure is obtained using the hydraulic pressure transfer characteristic of liquid refrigerant, so as to form the quiet environmental condition of HTHP.
Description
Technical field
The present invention relates to a kind of superelevation isostatic pressed static temperature environment generation device and method, belong to material working process technology neck
Domain.
Background technology
Since eighties of last century fifties, a kind of utilization material atom thermal diffusion effect at high temperature under high pressure realizes material
Interface is connected and the technology of forming material powder is gradually got up in material machine-shaping field fast development.It is exactly high temperature insostatic pressing (HIP)
(Hot isostatic pressing, HIP) technology.Due under the collective effect of HTHP, work piece it is each to equal
Weighing apparatus is pressurized, therefore the consistency of institute's converted products is high, uniformity is good, excellent performance.The technology has with short production cycle, work simultaneously
The features such as sequence is few, energy consumption is low, spillage of material is small, be widely used to Aeronautics and Astronautics, the energy, transport, electrician, electronics, chemical industry and
The industries such as metallurgy, for producing high quality of products and preparing new material.
At present, the conventional isostatic pressed static temperature production method of industrial quarters uses inert gas as working medium, by gas work
The means that matter integrally heats pressurization provide isostatic pressed static temperature environment, and main defect has：It is by gas compressor ability and heating
Component temperature is limited, and commercial Application pressure is general in 100-400MPa magnitudes, and temperature is typically in 1000-2000 degree scopes, and gas
There is larger safety issue (explosion danger) in body working medium, equipment is more complicated and high energy consumption in high-temperature high-pressure state.In addition, receiving
Air-tightness is limited, and hot isostatic pressing technique is in material internal and interface location it is difficult to ensure that noresidue gaseous impurity.
The content of the invention
Present invention solves the technical problem that being：A kind of superelevation isostatic pressed static temperature environment generation device and method is provided, is had
Environmental stress (100-4000MPa) and temperature (300-2000 degree) higher can be produced；Liquid metal is sealed, free from admixture gas shadow
Ring；And small, the safe advantage of energy consumption.
The technology of the present invention solution：Implement step as follows：A kind of superelevation isostatic pressed static temperature environment generation device, bag
Include：Depression bar (1), base (2), insulation sleeve (3), heat exchange covering (4), liquid metal (5), material to be processed (6), interlayer insulating layer
(7), static pressure chamber (8), positive source (9), power cathode (10), hydraulic pulldown (11) and sealing block (12)；Base (2) is
It is cylindric in bottom, interlayer insulating layer (7) is in base (2) top isolation base and static pressure chamber (8)；Static pressure chamber (8) endosexine is
Insulation sleeve (3), extexine is heat exchange covering (4)；The full liquid metal (5) of filling inside static pressure chamber (8), material (6) to be processed exists
Surrounded by liquid metal inside liquid metal (5)；Static pressure chamber (8) upper surface center hole is closed by sealing block (12) and blocked, together
When depression bar (1) sealing block (12) can be promoted to be moved down along static pressure chamber (8) open interior；The movement of depression bar (1) is by hydraulic pulldown
(11) control, interlayer insulating layer (7) completely cuts off electric current between depression bar (1) and hydraulic pulldown (11)；Positive source (9) is connected to
On depression bar (1), power cathode (10) is connected on static pressure chamber (8).
A kind of superelevation isostatic pressed static temperature environment generation method, comprises the following steps：
Step 1:Material to be processed (6) pretreatment to that will weld, the face for combining material to be processed (6) needs, i.e.,
The different metal materials joint face of connection is needed, is close to be connected together, faying face is not separated or quilt in liquid metal (5)
Immersion, if dusty material hot pressing, is then put into the powder metal materials of pretreatment shaping；
Step 2:The liquid metal (5) of pretreated material (6) to be processed and fusing is injected into static pressure chamber (8)；
Step 3:Sealing block (12) is installed, depression bar (1) pressurizes in the presence of hydraulic pulldown (11) and compress downwards
Sealing block (12), stops when sealing block (12) touches liquid metal (5)；
Step 4:Positive source (9) and power cathode (10) are switched on power, now liquid metal (5) meeting self-heating,
Not by other medium heat conductions；
Step 5:In heating, sealing block (12) can expand generation self sealss, and static pressure chamber (8) are sealed；
Step 6:Hydraulic pulldown (11) above depression bar (1) loading force and keeps constant again, and depression bar (1) reaches perseverance
Level pressure acts on liquid metal (5) by force and by sealing block (12), because pressure size is constant in the liquid metal (5) that is sealed
Transmission, material (6) surrounding to be processed will simultaneously be subject to the pressure of liquid metal (5)；The logical coolant of heat exchange covering (4) is to static pressure
Chamber (8) outer wall is cooled down, it is ensured that static pressure chamber (8) outside wall temperature will not be too high and lose intensity, specific size by control plus
But power-balance is controlled hot and cold；
Step 7:By the temperature detection to static pressure chamber (8) interior liquid metal (5), static pressure chamber (8) interior liquid is controlled
The temperature of metal (5) maintains the temperature range that material to be processed (6) connection processing needs；
Step 8:Maintain superelevation isostatic pressed static temperature environment generation device static pressure chamber interior liquid metal pressure and temperature certain
Time, after being then cooled to slightly above the temperature of liquid metal fusing point, take liquid metal away, take out rapidoprint.
The liquid metal (5) uses higher boiling>2000 degree of liquid metal, the metal liquid energy handle in closed container
The pressure that it is subject to by original size to all directions transmit, by the liquid metal pressurized in closed container extremely
100-4000MPa scopes and liquid metal internal electrified regulation to 300-2000 degree Celsius ranges form isostatic pressed static temperature environment,
Process material to be processed.
The liquid metal (5) is the metallic tin or gallium of stable chemical nature under high temperature.
In the step 6, constant pressure is more than or equal to 100MPa, and less than or equal to 4000MPa, 4000MPa allows for work
Can also be higher under the pressure-resistant limitation of container, experiment condition under the conditions of industry.
In the step 7, the temperature of interior liquid metal (5) maintains 300-2000 degree Celsius ranges, and mode of heating is
Its spontaneous heating is made to the logical direct current of liquid metal.
In the step 1, pretreatment uses soldering, metal dust can be used common hot-pressing processing or 3D printing into
Type.
In the step 2, static pressure chamber (8) are made up of high-temperature-resistant high-pressure-resistant material, and using synchronous banding formula prestressing force skill
Art is designed, and wherein inwall can bear 2000 degree of high temperature contacts, and whole wall construction can bear 4000MPa internal pressures, so in excessive heat
Guarantee to form complete cavity during isostatic pressed, liquid metal leakage does not occur.
In the step 5, sealing block (12) lower end uses cambered design, it is expanded at high temperature tight with static pressure chamber (8)
Static pressure chamber (8) are produced effective sealing, it is ensured that liquid metal (5) does not spill over by closely connected conjunction；Depression bar (1) upper end required input power
Depression bar face area can be multiplied by by the pressure for needing to produce to determine.
Certain hour in the step 8 is 1-10 hours, preferably 3-4 hours.
Further, after connecting electrode in the step 4, because static pressure chamber built-in electrical insulation set (3) can make positive pole
Insulated with static pressure cavity outer wall.Ensure that electric current, only by liquid metal, realizes the purpose of single heating liquid metal.
Further, in the step 5, the sealing block (12) of depression bar (1) bottom is using cambered design (the arc correspondence center of circle
Angle is 120 to 150 degree), it can be made to expand at high temperature, effective sealing is produced to static pressure chamber and effect sleeve.
Present invention advantage compared with prior art is：
(1) present invention is for providing static pressure 100-4000MPa, and 300-2000 degrees Celsius of static temperature degree is (optional according to demand
Arbitrary temp in the range of selecting) isostatic pressed static temperature environment.The environment is pulverulent material hot pressing, the connection of different metal materials interface is carried
For required physical condition.At present, conventional hot isostatic pressing technique is as working medium, by the hand for heating pressurization using inert gas
Section provides isostatic pressed static temperature environment, and main defect is limited by gas compressor compressed capability and temp of heating element, industry
It is difficult more than 400MPa magnitudes in, and there is larger safety issue in high-temperature high-pressure state.The present invention is proposed using high
Boiling point (>2000 degree) liquid metal carries out heating and obtains static temperature high as working medium, and local direct weighting is used, using liquid work
The characteristics of matter transmission hydraulic pressure, high static pressure is obtained, so as to form the quiet environmental condition of HTHP.
(2) present invention can produce environmental stress higher (>400MPa).Using liquid metal as pressurization working medium, pressure
The upper limit is solely dependent upon the bearing capacity of high-pressure bottle, and this uses inert gas as working medium in avoiding general hot isostatic pressing technique
Pressure limit, pressure higher can be reached；And using liquid metal higher boiling, high thermal conductivity coefficient characteristic, it is possible to achieve
Environment temperature higher.Force transfering characteristic is mutually pushed using metal liquid thing, can be obtained in the small space pressurized of liquid metal
To the equivalent environmental stress of large space, it is therefore desirable to which the energy consumption of very little can obtain the ultra-high static pressure and static temperature environment of large space.
(3) present invention is produced by using the expansion of sealing liquid metal local heating higher pressure and by sizes such as pressure
The characteristics of being delivered to static pressure chamber everywhere, economy and security are greatly improved.Its economy is need not be very big very
Complicated pressue device is that can reach high pressure purpose；Liquid metal used is nontoxic, stable chemical nature, and boiling point is Celsius higher than 2000
Degree, even if less than occurring leakage within boiling temperature, the dangerous situations such as blast will not also occur.
(4) present invention is using liquid metal sealing, free from admixture gases affect, and energy consumption is small, safe.
Brief description of the drawings
Fig. 1 is the superelevation isostatic pressed static temperature environment generation apparatus structure schematic diagram used in the present invention.
Specific embodiment
Specific embodiment of the invention is given below in conjunction with the accompanying drawings, to describe technical scheme in detail.
The specific embodiment of the invention is to process material principles figure to be processed using super-pressure high temperature insostatic pressing (HIP) shown in the drawings.
As shown in figure 1, superelevation isostatic pressed static temperature environment generation device of the present invention include depression bar 1, base 2, insulation sleeve 3, heat exchange covering 4,
Liquid metal 5, material to be processed 6, interlayer insulating layer 7, static pressure chamber 8, positive source 9, power cathode 10, hydraulic loading device 11,
Sealing block 12；, for cylindric in bottom, interlayer insulating layer 7 is in the top of base 2 isolation base and static pressure chamber 8 for base 2.Static pressure chamber 8
Endosexine is insulation sleeve 3, and extexine is heat exchange covering 4.The full liquid metal 5 of the inside of static pressure chamber 8 filling, material to be processed 6 is in liquid
Surrounded by liquid metal inside state metal 5.Static pressure chamber 8, upper surface center hole close blocking by depression bar 1 and sealing block 12, together
When depression bar 1 sealing block 12 can be promoted to be moved down along the open interior of static pressure chamber 8.The movement of depression bar 1 is controlled by hydraulic pulldown 11, absolutely
Edge interlayer 7 completely cuts off electric current between depression bar 1 and hydraulic pulldown 11.Positive source 9 is connected on depression bar 1, power cathode 10
It is connected on static pressure chamber 8.Interlayer insulating layer 7 is disc-shaped, and static pressure chamber 8 is cylindric.
Wherein depression bar 1, base 2 is cylindric, and depression bar 1 and sealing block 12 are processed by tungsten alloy, and base 2 is added by Steel material
Work.Heat exchange covering 4 is enclosed within the outside of static pressure chamber 8 of cylinder dress for hollow cylinder.The upper surface of depression bar 1 is 10 with lower surface diameter ratio:
1.Static pressure chamber 8 is made up of carbon fiber winding Tungsten Alloy Shells, and size can be designed freely, as long as ensure that static pressure chamber 8 can be long
Between bear processing when pressure and temperature.Insulation sleeve 3 is sprayed for zirconium dioxide.Liquid metal uses higher boiling>2000 degree
Liquid metal as working medium, the pressure that the metal liquid in closed container can be subject to it is by original size to each side
To transmission general principle, isostatic pressed static temperature is formed by the liquid metal pressurized in closed container and overall heating technology
Environmental treatment material to be processed, for example can be using tin, gallium etc..
Superelevation isostatic pressed static temperature environment generation method of the invention is specific as follows：
S1:Material to be processed 6 is pre-processed, static pressure chamber is put into；
S2:Enough liquid metals 5 for reaching fusing point are filled with static pressure chamber 8；
S3:Depression bar 1 promotes sealing block 12 to compress downwards in the presence of pressue device 11, when touching metal liquid surface
When stop, and empty sealing block ambient gas, maintain pressue device pressure；
S4:Switch on power on both positive and negative polarity, liquid metal 5 has the meeting spontaneous heating of larger resistance, and heats up；
S5:When liquid metal is heated, liquid metal expansion, internal pressure gradually rises, the seal head of depression bar 1 can gradually by
Compression produces self sealss, and static pressure chamber is sealed；
S6:The further imposed load of hydraulic pulldown 11 on depression bar 1, until static pressure chamber 8, internal pressure meets pre- level pressure
By force, and keep loading force constant.Due to the liquid metal that is sealed by pressure to the constant transmission of liquid regions size, so liquid
Material surrounding to be processed will simultaneously be subject to identical pressure in state metal.
S7:Heat exchange covering 4 leads to coolant and the outer layer of static pressure chamber 8 is cooled down, as long as keeping certain energized power, heat transfer
After balance, the temperature of static pressure chamber interior liquid metal will be controlled.By to the monitoring temperature inside static pressure chamber 8, and control
Input power, the temperature in controllable static pressure chamber maintains predetermined temperature；
S8:Maintain isostatic pressed, etc. static temperature environment to the material process scheduled time, you can unloaded, lowered the temperature, being taken out processing
Material.
Detailed process：
Assuming that the ratio of diameter up and down of depression bar 1 is 10:1, surface area ratio is 100:1, so, such as added in upper surface with hydraulic pump
Carrying the pressure of 40MPa can just realize that lower surface exports 4000MPa pressure, and this degree pressure input is very for prior art
Easy to reach.Then due to the energization heat release of liquid metal 5 between static pressure chamber 8 and sealing block 12, coefficient of thermal expansion after being heated
Difference produces the sealing inside static pressure chamber.When the lower end sealing block 12 of depression bar 1 acts on the liquid metal of static pressure chamber inner sealing, by
The constant transmission of pressure size in the liquid metal for being sealed, so material surrounding to be processed will be subject in liquid metal simultaneously
Equivalent pressure such as 4000MPa.
By super-pressure high temperature insostatic pressing (HIP) system of processing in above-mentioned steps S1 to S8, it is possible to achieve treat rapidoprint in static temperature
300-2000 DEG C, the processing of static pressure 100-4000MPa super-pressure high temperature insostatic pressing (HIP).
Although describing specific implementation method of the invention above, it will be appreciated by those of skill in the art that these
It is merely illustrative of, on the premise of without departing substantially from the principle of the invention and realization, numerous variations can be made to these embodiments
Or modification, therefore, protection scope of the present invention is defined by the appended claims.
Claims (10)
1. a kind of superelevation isostatic pressed static temperature environment generation device, it is characterised in that：Including depression bar (1), base (2), insulation sleeve
(3), heat exchange covering (4), liquid metal (5), material to be processed (6), interlayer insulating layer (7), static pressure chamber (8), positive source (9),
Power cathode (10), hydraulic pulldown (11) and sealing block (12)；Base (2) is for cylindric in bottom, interlayer insulating layer (7)
In base (2) top isolation base and static pressure chamber (8)；Static pressure chamber (8) endosexine is insulation sleeve (3), and extexine is heat exchange covering
(4)；The full liquid metal (5) of filling inside static pressure chamber (8), material (6) to be processed is internal by liquid metal bag in liquid metal (5)
Enclose；Static pressure chamber (8) upper surface center hole is closed by sealing block (12) and blocked, while depression bar (1) can promote sealing block (12) edge
Static pressure chamber (8) open interior is moved down；The movement of depression bar (1) is controlled by hydraulic pulldown (11), and interlayer insulating layer (7) is in depression bar
(1) electric current is completely cut off and hydraulic pulldown (11) between；Positive source (9) is connected on depression bar (1), power cathode (10) connection
On static pressure chamber (8).
2. superelevation isostatic pressed static temperature environment generation device according to claim 1, it is characterised in that：The depression bar (1)
Sealing jacking block is arranged at bottom, and sealing jacking block uses cambered design.
3. a kind of superelevation isostatic pressed static temperature environment generation method, it is characterised in that comprise the following steps：
Step 1:Material to be processed (6) pretreatment to that will weld, the face for combining material to be processed (6) needs needs
The different metal materials joint face of connection, is close to be connected together, and faying face is not separated or is immersed in liquid metal (5)
Enter, if dusty material hot pressing, be then put into the powder metal materials of pretreatment shaping；
Step 2:The liquid metal (5) of pretreated material (6) to be processed and fusing is injected into static pressure chamber (8)；
Step 3:Install sealing block (12), depression bar (1) pressurizes downward compression seal in the presence of hydraulic pulldown (11)
Block (12), stops when sealing block (12) touches liquid metal (5)；
Step 4:Positive source (9) and power cathode (10) are switched on power, now liquid metal (5) meeting self-heating, not
By other medium heat conductions；
Step 5:In heating, sealing block (12) can expand generation self sealss, and static pressure chamber (8) are sealed；
Step 6:Hydraulic pulldown (11) above depression bar (1) loading force and keeps constant again, and depression bar (1) reaches constant pressure
It is strong and liquid metal (5) is acted on by sealing block (12), due to the biography that pressure size in the liquid metal (5) that is sealed is constant
Pass, material (6) surrounding to be processed will simultaneously be subject to the pressure of liquid metal (5)；The logical coolant of heat exchange covering (4) is to static pressure chamber
(8) outer wall is cooled down, it is ensured that static pressure chamber (8) outside wall temperature will not be too high and lose intensity, specific size by control heat
Controlled with cooling power balance；
Step 7:By the temperature detection to static pressure chamber (8) interior liquid metal (5), static pressure chamber (8) interior liquid metal is controlled
(5) temperature maintains the temperature range that material to be processed (6) connection processing needs, and temperature can maintain 300-2000 degrees Celsius
Scope；
Step 8:Superelevation isostatic pressed static temperature environment generation device static pressure chamber interior liquid metal pressure and temperature certain hour are maintained,
Then after being cooled to slightly above the temperature of liquid metal fusing point, take liquid metal away, take out rapidoprint.
4. a kind of superelevation isostatic pressed static temperature environment generation method according to claim 3, it is characterised in that：The liquid gold
Category (5) uses higher boiling>2000 degree of liquid metal, the pressure that the metal liquid in closed container can be subject to it is by original
Size to all directions transmit, by the liquid metal pressurized in closed container to 100-4000MPa scopes and liquid
State metal inside electrified regulation to 300-2000 degree Celsius ranges form isostatic pressed static temperature environment, process material to be processed.
5. a kind of superelevation isostatic pressed static temperature environment generation method according to claim 3 or 4, it is characterised in that：The liquid
State metal (5) is the metallic tin or gallium of stable chemical nature under high temperature.
6. a kind of superelevation isostatic pressed static temperature environment generation method according to claim 2, it is characterised in that：The step 6
In, constant pressure is more than or equal to 100MPa, and less than or equal to 4000MPa, 4000MPa allows for the pressure-resistant limit of container under industrial condition
System, can also be higher under experiment condition.
7. a kind of superelevation isostatic pressed static temperature environment generation method according to claim 3, it is characterised in that：The step 1
In, pretreatment uses soldering, and metal dust can be used common hot-pressing processing or 3D printing to be molded.
8. a kind of superelevation isostatic pressed static temperature environment generation technology according to claim 3, it is characterised in that：The step 2
In, static pressure chamber (8) are made up of high-temperature-resistant high-pressure-resistant material, and using synchronous banding formula prestressing technique design, wherein inwall can
2000 degree of high temperature contacts are born, and whole wall construction can bear 4000MPa internal pressures, so guarantee during superelevation high temperature insostatic pressing (HIP)
Complete cavity is formed, liquid metal leakage does not occur.
9. a kind of superelevation isostatic pressed static temperature environment generation method according to claim 3, it is characterised in that：The step 5
In, sealing block (12) lower end of depression bar (1) bottom uses cambered design, it is expanded at high temperature and is closely pasted with static pressure chamber (8)
Close, static pressure chamber (8) are produced with effective sealing, it is ensured that liquid metal (5) does not spill over；Depression bar (1) upper end required input power can be by
The pressure for producing is needed to be multiplied by the determination of depression bar face area.
10. a kind of superelevation isostatic pressed static temperature environment generation method according to claim 2, it is characterised in that：The step 8
In certain hour be 1-10 hours, preferably 3-4 hours.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710145588.3A CN106914622B (en) | 2017-03-13 | 2017-03-13 | The method welded with the static pressure static temperature environment such as superelevation |
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| CN201710145588.3A CN106914622B (en) | 2017-03-13 | 2017-03-13 | The method welded with the static pressure static temperature environment such as superelevation |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111360260A (en) * | 2020-01-18 | 2020-07-03 | 西安嘉业航空科技有限公司 | Hot isostatic pressing system and method for workpiece |
| CN113134991A (en) * | 2021-04-08 | 2021-07-20 | 太原科技大学 | Temperature isostatic pressing machine |
| US12070881B2 (en) | 2019-09-19 | 2024-08-27 | Flow International Corporation | Systems and methods of interim and end of process treatment of manufactured articles using high pressure and waterjets |
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| CN1107076A (en) * | 1993-09-23 | 1995-08-23 | 陈启星 | High-pressure and high-temperature device |
| WO1999019058A1 (en) * | 1997-10-13 | 1999-04-22 | Weiping Wang | High pressure synthetic die |
| CN102094857A (en) * | 2011-01-13 | 2011-06-15 | 北京航空航天大学 | High-temperature flexible boosting cylinder |
| CN105366917A (en) * | 2015-12-16 | 2016-03-02 | 湘潭大学 | Technological method for assisting in die forming of microstructural thin glass element through tin liquor |
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|---|---|---|---|---|
| CN1036718A (en) * | 1989-04-18 | 1989-11-01 | 葛晓峰 | Hydro-forging method of complex workpiece |
| CN1107076A (en) * | 1993-09-23 | 1995-08-23 | 陈启星 | High-pressure and high-temperature device |
| WO1999019058A1 (en) * | 1997-10-13 | 1999-04-22 | Weiping Wang | High pressure synthetic die |
| CN102094857A (en) * | 2011-01-13 | 2011-06-15 | 北京航空航天大学 | High-temperature flexible boosting cylinder |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12070881B2 (en) | 2019-09-19 | 2024-08-27 | Flow International Corporation | Systems and methods of interim and end of process treatment of manufactured articles using high pressure and waterjets |
| CN111360260A (en) * | 2020-01-18 | 2020-07-03 | 西安嘉业航空科技有限公司 | Hot isostatic pressing system and method for workpiece |
| CN113134991A (en) * | 2021-04-08 | 2021-07-20 | 太原科技大学 | Temperature isostatic pressing machine |
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| CN106914622B (en) | 2019-02-01 |
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