CN106955988B - Dissipation heat-resistant composite material is integrated with metal material to inlay preparation method - Google Patents
Dissipation heat-resistant composite material is integrated with metal material to inlay preparation method Download PDFInfo
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- CN106955988B CN106955988B CN201710188934.6A CN201710188934A CN106955988B CN 106955988 B CN106955988 B CN 106955988B CN 201710188934 A CN201710188934 A CN 201710188934A CN 106955988 B CN106955988 B CN 106955988B
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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
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/04—Casting in, on, or around objects which form part of the product for joining parts
Abstract
Dissipation heat-resistant composite material is integrated with metal material to inlay preparation method, and the present invention relates to the resistance to ablative composite material preparation technical fields of high temperature.The invention solves existing ablation resistant material such as C/C, C/C-SiC due under machining accuracy is low and hot environment the problem of poor mechanical property.Method: one, type of attachment is determined；Two, metal parts and non-metal workpiece are processed；Three, combined member is assembled；Four, release agent is brushed, graphite loose tool is put into；Five, it preheats, infiltration alloy is poured into mold, apply pressure, infiltration alloy is penetrated into combined member；Cooling, demoulding obtains nonmetallic composite embedded with metal component.Present invention process is simple, structure-function integration that is at low cost, can get near net-shape, dissipation heat-resistant composite material component with good ablation resistance.The method of the present invention is used for the preparation of ablation resistant material.
Description
Technical field
The present invention relates to the resistance to ablative composite material preparation technical fields of high temperature.
Background technique
The ablation resistant material of the main heating part of high-speed aircraft is C/C and C/C-SiC composite material, high temperature at present
Ceramic material etc..Although above-mentioned ablation resistant material has good ablation resistance, certain privileged sites are being prepared as passed
When the components of resistance to ablation such as moving axis, since machining accuracy is low, it is low with the connection of other components and assembly cooperation precision that there are components, even
Connect the problems such as intensity is low.Especially for some under conditions of high temperature and pressure, some components will not only bear high hot-fluid, also
Biggish stress is born, and C/C and C/C-SiC composite material is unable to satisfy component due to the limitation of material self-strength
Mechanical property requirements；And although high-temperature ceramic materials intensity is higher, since the intrinsic brittleness of material is also unable to satisfy ultrahigh speed
The impact for the power that air-flow generates.It, can not for resistance to ablation position and connecting portion due to the limitation of the preparation process of above-mentioned material
It is assembled again after being processed into part respectively, it is even more impossible to realize integrated molding.
Patent CN201610474241.9 is the method connecting about metal material with plastics, patent
CN201610406278.8, CN201610339408.0, CN103231203A, CN104722919A, CN102794572A etc. are
It is the method connected about the welding manner of different metal materials.The more existing patent majority about dissimilar material joining is
What the metal material about two kinds of unlike materials was realized by welding method.And about nonmetallic ablation resistant material and metal it
Between the connection of dissimilar material yet there are no registration.
In summary, there is presently no a kind of graphite or C/C material and metal that can will be used for resistance to high temperature oxidation ablation
Material carries out inlaying the molding process of preparing of integration connection.
Summary of the invention
The invention solves ablation resistant material processing and assembly connection precision is low and the bearing positions intensity such as shaft cannot
The problem of meeting design requirement, and provide that dissipation heat-resistant composite material is integrated with metal material to inlay preparation method.
Dissipation heat-resistant composite material is integrated with metal material to inlay preparation method, it is characterised in that this method is specifically to press
It is carried out according to following steps:
One, according to the type of attachment for requiring design metal parts and non-metal workpiece；
Two, the type of attachment determined according to step 1 processes metal parts and non-metal workpiece；
Three, the metal parts of step 2 processing and non-metal workpiece are assembled into combined member；
Four, the combined member by step 3 assembly brushes release agent, is put into graphite loose tool；Then graphite loose tool is put into
In mold；
Five, preheated mold and infiltration alloy, then pour into infiltration alloy in mold, put graphite pressure head, apply pressure, will
Infiltration alloy penetrates into combined member；Cooling, demoulding obtains nonmetallic composite embedded with metal component, completes dissipation solar heat protection
Composite material is integrated with metal material to inlay preparation method.
The position that metal parts for component and other parts there is assembly precision to require in the present invention.Non-metallic part is used
In the position for resisting high temperature and airflow scouring.
The beneficial effects of the present invention are: present invention process is simple, heat resistance at low cost, that composite material can be comprehensively considered
It can be completely embedded, reliably with the advantage that connect metal parts good toughness, metal parts and nonmetallic dissipation heat insulation material, it can be very
Obtained in short process-cycle the structure-function integration of near net-shape, the dissipation solar heat protection with good ablation resistance it is compound
Material members, and solve thermal protection struc ture part and integrally-built dimensional fits precision problem.
The method of the present invention is used for the preparation of ablation resistant material.
Detailed description of the invention
Fig. 1 is type of attachment schematic diagram in one step 1 of embodiment, wherein 1 represents non-metal workpiece material, 2 represent band spiral shell
Line metal shaft；
Fig. 2 is type of attachment schematic diagram in three step 1 of embodiment, and wherein a represents non-metal workpiece material, and b represents metal
Pin, c represent perforated metal axis.
Specific embodiment
Technical solution of the present invention is not limited to the specific embodiment of act set forth below, further include each specific embodiment it
Between any combination.
Specific embodiment 1: present embodiment dissipation heat-resistant composite material is integrated with metal material to inlay preparation side
Method, it is characterised in that this method is specifically to follow the steps below:
One, according to the type of attachment for requiring design metal parts and non-metal workpiece；
Two, the type of attachment determined according to step 1 processes metal parts and non-metal workpiece；
Three, the metal parts of step 2 processing and non-metal workpiece are assembled into combined member；
Four, the combined member by step 3 assembly brushes release agent, is put into graphite loose tool；Then graphite loose tool is put into
In mold；
Five, preheated mold and infiltration alloy, then pour into infiltration alloy in mold, put graphite pressure head, apply pressure, will
Infiltration alloy penetrates into combined member；Cooling, demoulding obtains nonmetallic composite embedded with metal component, completes dissipation solar heat protection
Composite material is integrated with metal material to inlay preparation method.
Specific embodiment 2: the present embodiment is different from the first embodiment in that: type of attachment is in step 1
It is threadedly coupled or pin shaft connects.It is other same as the specific embodiment one.
Specific embodiment 3: the present embodiment is different from the first and the second embodiment in that: shape is connected in step 1
When formula is that pin shaft connects, sell for round or flat shape.It is other the same as one or two specific embodiments.
Specific embodiment 4: unlike one of present embodiment and specific embodiment one to three: golden in step 1
The material for belonging to part is heat resisting steel, Fe base/Ni based high-temperature alloy, Mo alloy, Ti alloy or W alloy.Other and specific embodiment party
One of formula one to three is identical.
Specific embodiment 5: unlike one of present embodiment and specific embodiment one to four: non-in step 1
The material of metal parts is graphite or C/C.It is other identical as one of specific embodiment one to four.
Specific embodiment 6: unlike one of present embodiment and specific embodiment one to five: non-metal workpiece
Material be density be 1.6g/cm3~1.8g/cm3C/C composite material.Other phases one of with specific embodiment one to five
Together.
Specific embodiment 7: unlike one of present embodiment and specific embodiment one to six: non-in step 1
The material of metal parts is electrode graphite or high purity graphite.It is other identical as one of specific embodiment one to six.
Specific embodiment 8: unlike one of present embodiment and specific embodiment one to seven: being taken off in step 4
Mould agent is BN.It is other identical as one of specific embodiment one to seven.
Specific embodiment 9: unlike one of present embodiment and specific embodiment one to eight: being soaked in step 5
Alloying is two kinds, three kinds or four kinds of mixing in Al, Mg, Si, Mo, Zr and Ta element.Other and specific embodiment one
It is identical to one of eight.
Specific embodiment 10: unlike one of present embodiment and specific embodiment one to nine: golden in step 1
Category part material is heat resisting steel, and non-metal workpiece material is that density is 1.7g/cm3High purity graphite when, by mold in step 5
It is preheated to 600~700 DEG C in chamber type electric resistance furnace, infiltration alloy is preheated to 750~900 DEG C, infiltration alloy Al, Si press matter
Measure the AlSi alloy prepared than 4:1.It is other identical as one of specific embodiment one to nine.
Specific embodiment 11: unlike one of present embodiment and specific embodiment one to nine: in step 5
Infiltration alloy is AlSi Mo ternary alloy three-partalloy, and infiltration alloy is preheated to 860~980 DEG C.Other and specific embodiment one to nine
One of it is identical.
Specific embodiment 12: unlike one of present embodiment and specific embodiment one to nine: in step 5
Infiltration alloy is AlSiZr ternary alloy three-partalloy, and infiltration alloy is preheated to 800~950 DEG C.Other and specific embodiment one to nine
One of it is identical.
Specific embodiment 13: unlike one of present embodiment and specific embodiment one to nine: in step 5
Infiltration alloy is AlSiTa ternary alloy three-partalloy, and infiltration alloy is preheated to 880~1050 DEG C.Other and specific embodiment one to nine
One of it is identical.
Specific embodiment 14: unlike one of present embodiment and specific embodiment one to nine: in step 5
Infiltration alloy is AlSiMoTa quaternary alloy, and infiltration alloy is preheated to 700~850 DEG C.It is other with specific embodiment one to
One of nine is identical.
Specific embodiment 15: unlike one of present embodiment and specific embodiment one to nine: in step 5
Infiltration alloy is AlMg alloy, and infiltration alloy is preheated to 700~850 DEG C.Other phases one of with specific embodiment one to nine
Together.
Specific embodiment 16: unlike one of present embodiment and specific embodiment one to nine: in step 5
Infiltration alloy is the AlSi alloy that Al, Si 3:2 in mass ratio are prepared, and infiltration alloy is preheated to 1000~1100 DEG C.It is other with
One of specific embodiment one to nine is identical.
Specific embodiment 17: present embodiment is unlike specific embodiment one to one of 16: step 5
Middle preheating temperature is higher than 100~200 DEG C of infiltration alloy fusing point.It is other identical as specific embodiment one to one of 16.
Specific embodiment 18: present embodiment is unlike specific embodiment one to one of 17: step 5
Middle application pressure is 20~50MPa.It is other identical as specific embodiment one to one of 17.
Beneficial effects of the present invention are verified using following embodiment:
Embodiment one:
The present embodiment dissipation heat-resistant composite material is integrated with metal material to inlay preparation method, specifically according to following step
Suddenly it carries out:
It one, is to be threadedly coupled according to design metal parts and the type of attachment of non-metal workpiece is required；Wherein metal parts
Material is heat resisting steel, and non-metal workpiece material is that density is 1.7g/cm3High purity graphite；
Two, metal parts and non-metal workpiece are processed in the threaded connection determined according to step 1；
Three, the metal parts of step 2 processing and non-metal workpiece are assembled into combined member；
Four, the combined member by step 3 assembly brushes release agent, is put into graphite loose tool；Then graphite loose tool is put into
In mold；Release agent is BN；
Five, mold is preheated to 650 DEG C in chamber type electric resistance furnace, infiltration alloy is preheated to 800 DEG C, infiltration alloy is
Al, Si 4:1 in mass ratio prepare AlSi alloy, then pour into infiltration alloy in mold, put graphite pressure head, apply pressure
25MPa keeps 10min, and infiltration alloy is penetrated into combined member；Cooling, demoulding obtains nonmetallic composite embedded with metal
Component, completes that dissipation heat-resistant composite material is integrated with metal material inlays preparation method.
Type of attachment schematic diagram in the present embodiment step 1 is as shown in Figure 1, wherein 1 represent non-metal workpiece material, 2 represent
Threaded metal shaft.
Embodiment two:
The present embodiment dissipation heat-resistant composite material is integrated with metal material to inlay preparation method, specifically according to following step
Suddenly it carries out:
It one, is to be threadedly coupled according to design metal parts and the type of attachment of non-metal workpiece is required；Wherein metal parts
Material is heat resisting steel, and non-metal workpiece material is that density is 1.7g/cm3High purity graphite；
Two, metal parts and non-metal workpiece are processed in the threaded connection determined according to step 1；
Three, the metal parts of step 2 processing and non-metal workpiece are assembled into combined member；
Four, the combined member by step 3 assembly brushes release agent, is put into graphite loose tool；Then graphite loose tool is put into
In mold；Release agent is BN；
Five, mold is preheated to 800 DEG C in chamber type electric resistance furnace, infiltration alloy is preheated to 1100 DEG C, infiltration alloy is
Al, Si 3:2 in mass ratio prepare AlSi alloy, then pour into infiltration alloy in mold, put graphite pressure head, apply pressure
25MPa keeps 10min, and infiltration alloy is penetrated into combined member；Cooling, demoulding obtains nonmetallic composite embedded with metal
Component, completes that dissipation heat-resistant composite material is integrated with metal material inlays preparation method.
Embodiment three:
The present embodiment dissipation heat-resistant composite material is integrated with metal material to inlay preparation method, specifically according to following step
Suddenly it carries out:
It one, is pin shaft connection according to the type of attachment for designing metal parts and non-metal workpiece is required；Wherein, metal parts
Material is heat resisting steel, and non-metal workpiece material is that density is 1.7g/cm3High purity graphite；Pin is circle, and the material of pin and axis is
Heat resisting steel；
Two, it is connected according to the pin shaft that step 1 determines, processes metal parts and non-metal workpiece；
Three, the metal parts of step 2 processing and non-metal workpiece are assembled into combined member；
Four, the combined member by step 3 assembly brushes release agent, is put into and the consistent graphite loose tool of combined member shape
In；Then graphite loose tool is put into mold；Release agent is BN；
Five, mold is preheated to 650 DEG C in chamber type electric resistance furnace, infiltration alloy is preheated to 800 DEG C, infiltration alloy is
Al, Si 4:1 in mass ratio prepare AlSi alloy, then pour into infiltration alloy in mold, put graphite pressure head, apply pressure
25MPa keeps 10min, and infiltration alloy is penetrated into combined member；Cooling, demoulding obtains nonmetallic composite embedded with metal
Component, completes that dissipation heat-resistant composite material is integrated with metal material inlays preparation method.
As shown in Fig. 2, wherein a represents non-metal workpiece material, b is represented type of attachment schematic diagram in the present embodiment step 1
Metallic pin, c represent perforated metal axis.
Example IV:
The present embodiment dissipation heat-resistant composite material is integrated with metal material to inlay preparation method, specifically according to following step
Suddenly it carries out:
It one, is pin shaft connection according to the type of attachment for designing metal parts and non-metal workpiece is required；Wherein, metal parts
Material is heat resisting steel, and non-metal workpiece material is that density is 1.7g/cm3C/C composite material；Pin is flat, and the material of pin is W
Alloy, the material of axis are Mo alloy；
Two, it is connected according to the pin shaft that step 1 determines, processes metal parts and non-metal workpiece；
Three, the metal parts of step 2 processing and non-metal workpiece are assembled into combined member；
Four, the combined member by step 3 assembly brushes release agent, is put into and the consistent graphite loose tool of combined member shape
In；Then graphite loose tool is put into mold；Release agent is BN；
Five, mold is preheated to 650 DEG C in chamber type electric resistance furnace, infiltration alloy is preheated to 800 DEG C, infiltration alloy is
Al, Si, Mg 3:1:1 in mass ratio prepare AlSi alloy, then pour into infiltration alloy in mold, put graphite pressure head, apply pressure
Power 25MPa keeps 10min, and infiltration alloy is penetrated into combined member；Cooling, demoulding obtains nonmetallic composite mosaic gold
Metal elements, complete that dissipation heat-resistant composite material is integrated with metal material inlays preparation method.
Present invention process is simple, thermal protective performance at low cost, that composite material can be comprehensively considered with to connect metal parts tough
Property good advantage, metal parts and nonmetallic dissipation heat insulation material are completely embedded, reliably, can obtain within the very short process-cycle
The structure-function integration of near net-shape, dissipation heat-resistant composite material component with good ablation resistance, and solve
Thermal protection struc ture part and integrally-built dimensional fits precision problem.
Claims (10)
1. dissipation heat-resistant composite material is integrated with metal material to inlay preparation method, it is characterised in that this method be specifically according to
What following steps carried out:
One, according to the type of attachment for requiring design metal parts and non-metal workpiece；
Two, the type of attachment determined according to step 1 processes metal parts and non-metal workpiece；
Three, the metal parts of step 2 processing and non-metal workpiece are assembled into combined member；
Four, the combined member by step 3 assembly brushes release agent, is put into graphite loose tool；Then graphite loose tool is put into mold
In；
Five, preheated mold and infiltration alloy, then pour into infiltration alloy in mold, put graphite pressure head, apply pressure, will infiltrate
Alloy penetrates into combined member；Cooling, demoulding obtains nonmetallic composite embedded with metal component, and it is compound to complete dissipation solar heat protection
Material is integrated with metal material to inlay preparation method.
2. dissipation heat-resistant composite material according to claim 1 is integrated with metal material to inlay preparation method, feature
It is in step 1 that type of attachment is threaded connection or pin shaft connection.
3. dissipation heat-resistant composite material according to claim 2 is integrated with metal material to inlay preparation method, feature
When being that type of attachment is pin shaft connection in step 1, sell for round or flat shape.
4. dissipation heat-resistant composite material according to claim 1 is integrated with metal material to inlay preparation method, feature
The material for being metal parts in step 1 is heat resisting steel, Fe base/Ni based high-temperature alloy, Mo alloy, Ti alloy or W alloy.
5. dissipation heat-resistant composite material according to claim 1 is integrated with metal material to inlay preparation method, feature
The material for being non-metal workpiece in step 1 is graphite or C/C.
6. dissipation heat-resistant composite material according to claim 5 is integrated with metal material to inlay preparation method, feature
The material for being non-metal workpiece in step 1 is electrode graphite or high purity graphite.
7. dissipation heat-resistant composite material according to claim 1 is integrated with metal material to inlay preparation method, feature
It is that infiltration alloy is two kinds, three kinds or four kinds of mixing in Al, Mg, Si, Mo, Zr and Ta element.
8. dissipation heat-resistant composite material according to claim 1 is integrated with metal material to inlay preparation method, feature
It is in step 4 that release agent is BN.
9. dissipation heat-resistant composite material according to claim 1 is integrated with metal material to inlay preparation method, feature
It is in step 5 that preheating temperature is higher than 100~200 DEG C of infiltration alloy fusing point.
10. dissipation heat-resistant composite material according to claim 1 is integrated with metal material to inlay preparation method, feature
It is that applying pressure in step 5 is 20~50MPa.
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