CN102009239B - Connection method used for carbon based materials and products thereof - Google Patents
Connection method used for carbon based materials and products thereof Download PDFInfo
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- CN102009239B CN102009239B CN 201010515861 CN201010515861A CN102009239B CN 102009239 B CN102009239 B CN 102009239B CN 201010515861 CN201010515861 CN 201010515861 CN 201010515861 A CN201010515861 A CN 201010515861A CN 102009239 B CN102009239 B CN 102009239B
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Abstract
The invention discloses a connected method used for carbon based materials and products thereof (including a C/C composite material, graphite, C/C airplane brake disc and the like), mainly used for manufacturing and repairing of C/C composite material parts with complex shape or big volume, manufacturing and repairing of graphite parts with complex shape or big volume and repairing of C/C airplane brake discs. The connection method comprises: a Co-Zr soldering flux compact is placed between two carbon based materials or C/C airplane brake disc joint faces for connection, and pre-treatment is carried out on the carbon based materials and the C/C airplane brake discs; soldering flux is prepared; the soldering flux compact is placed on the joint end face of the carbon based materials or C/C airplane brake disc materials after pre-treatment, pressure is applied, heating is carried out, cooling to room temperature with the furnace is carried out, and the compact is taken out, thus completing connection of the carbon based materiasl or C/C airplane brake discs. The connection method provided by the invention is simple in process, is safe and reliable, and has the advantages that the joint strength is high, the cost is low, and the economic benefit is considerable when being used for manufacturing or repairing parts.
Description
Technical field
The invention belongs to the carbon-based material technical field; Relating to carbon/carbon compound material (is carbon fibre-reinforced carbon composite material; Represent with C/C), the method for attachment of graphite and C/C aeroplane brake discs; Specifically, be meant a kind of a kind of effective method of attachment that is used to prepare and repair C/C composite material parts, graphite parts and C/C aeroplane brake discs.
Background technology
The C/C composite has under high specific strength, high specific stiffness, excellent anti-ablation property and frictional behaviour, good thermal shock resistance, low creep and the high temperature characteristics such as strength retention height, in aerospace industry, is widely used.Graphite material, particularly high-strength graphite have light weight, high specific strength, heat-resisting, corrosion-resistant, characteristic such as electrical and thermal conductivity performance is good and thermal shock resistance is good, in aerospace industry and nuclear industry, are widely used.
The interconnection technique that is used for C/C composite and graphite material at present has mechanical connection, method for brazing, diffusion connection method and adopts macromolecular material as the reaction shaping connection method of bridging agent etc.
(1) mechanical connection
The bolt that mechanical connection mainly adopts refractory metal or carbon/carbon compound material itself to process is fixed, but the shearing resistance of this joint and compression strength are relatively poor, particularly in bolt or the concentrated place of rivet hole ambient stress.
(2) method for brazing
This connection method is the mature methods that is used to connect C/C composite and graphite material.The scolder that is adopted has Ag-Cu-Ti, Al, Mg
2Si and glass etc.When adopting Ag-Cu-Ti and Al scolder, the joint operating temperature is not high, generally below 500 ℃.Can't satisfy aerospace industry center tap high temperature demands of applications.Adopt Mg
2The Si scolder in argon gas, temperature is that 1693K, temperature retention time are under the process conditions of 45min during the three-dimensional C/C composite of soldering, the joint shearing strength is lower, is about 5MPa.And adopt the interface of glass solder soldering C/C composite to combine very poor.Adopt scolder high temperature brazing graphite such as Ti-Cr, strength of joint is not high.
(3) diffusion connection method
The solid-state diffusion connection method makes it that micro-plastic deformation take place in the junction through being heated simultaneously and pressurize welding mother metal, forms closely contact, and then atom diffusion takes place realizes connecting, and generally divides directly the diffusion connection method and spreads connection method indirectly.Connect for the solid-state diffusion of C/C composite, connect pressure and can combine to cause damage with interface between matrix the fiber of composite and fiber.In addition, the diffusion connection procedure need apply higher pressure in the condition of high temperature, thereby complex process, process cycle are long, and equipment cost and technology cost are all higher.
(4) adopt the reaction shaping connection method of macromolecular material as bridging agent
It is raw material that this connection method mainly adopts organic resin and powder additive etc., is connected C/C composite and graphite material through low-temperature setting with operations such as high-temperature process.This connection method technology is simple, with low cost, has certain advantage.But, because macromolecular material can produce gas in crosslinked and cracking process, cause the articulamentum porous, make bonding strength on the low side, this in addition method also causes environmental pollution easily, thereby its practical applications is restricted.
Summary of the invention
The present invention is directed to the deficiency that exists in the prior art; A kind of method of attachment that is used for carbon-based material and goods thereof is provided; Described carbon-based material comprises C/C composite and graphite; Described carbon-based material goods comprise the C/C aeroplane brake discs; Described method of attachment can be used for the connection between the carbon-based material of of the same race or xenogenesis, and the carbon-based material goods such as the reparation between the C/C aeroplane brake discs that also can be used for of the same race or xenogenesis connect, and this method of attachment adopts the Co-Zr scolder to connect C/C composite, graphite and C/C aeroplane brake discs.
The method of attachment that is used for carbon-based material and goods thereof of the present invention is to place C/C composite, graphite or C/C aeroplane brake discs to connect between the end face in the Co-Zr scolder to connect, and connects technology and is:
(A) connect surperficial preliminary treatment;
The connection end face of C/C composite, graphite and C/C aeroplane brake discs is carried out grinding and buffing, and with ultrasonic waves for cleaning 15～30min, oven dry is for use then;
(B) preparation of scolder;
Choosing particle diameter is micron-sized Co powder and the Zr powder of 5～90 μ m, and the Co powder is mixed with the Zr powder, and wherein the quality percentage composition of Zr powder is 2%～8%; Mixed-powder is mixed 20～30min with ultrasonic vibration in alcohol.For avoiding to stir at any time in the mixed process owing to the different laminations that occur of powder density.Pour mortar after the mixed-powder drying again into and grind 20～30min, even to guarantee powder mixes.Take by weighing a certain amount of scolder then, cold-press moulding obtains the scolder pressed compact on tablet press machine.
(C) connect technology;
The scolder pressed compact that above-mentioned (B) made is positioned on the connection end face of C/C composite, graphite or C/C aeroplane brake discs after (A) handles, perhaps with the direct cloth powder of mixed-powder on the connection end face of large parts and brake disc; Put into vacuum drying oven after connecting the end face stack with two then; Apply the pressure of 5～20kPa; Heating process is: at first be warming up to 800～1000 ℃ with 15～20 ℃/min speed, be warming up to 1200～1450 ℃ with 6～12 ℃/min speed then, insulation 3～10min; Cool to room temperature then with the furnace, take out.The connection of carbon-based material and goods thereof is accomplished.
The solder layer even compact that after said method connects, obtains has formed with mother metal that excellent metallurgical combines and mechanical snap.
Describedly mainly form at the interface by Co, C and ZrC.
The method of attachment of described carbon-based material and goods thereof can be used for preparing complex-shaped C/C parts and large-scale C/C parts, also can be used for preparing complex-shaped graphite parts and large-scale graphite parts.
The method of attachment of described carbon-based material and goods thereof can be used for the reparation of C/C parts, also can be used for the reparation of graphite parts.
The method of attachment of described carbon-based material and goods thereof can be used for the reparation of C/C aeroplane brake discs, comprises " two-in-one " (promptly two the brake disc of wear down connect into one) and " three-in-one " (promptly three the brake disc of wear down connect into one) etc.
The advantage that is used for effective method of attachment of carbon-based material and goods thereof of the present invention is:
(1) the resulting strength of joint of the present invention is high, minimumly reaches 87.8% of strength of parent, and suitable high temperature is used.
(2) this method of attachment has simple to operately, connects characteristics such as pressure is little, the damage that this has been avoided higher connection pressure that the fiber of composite and fiber are combined with interface between matrix on the one hand; On the other hand, it is simple, easy to implement to connect required equipment, and the technology cost is low.
(3) the scolder powder body material that adopts of this method of attachment all has the commercial goods, and this method link cost is low.
Description of drawings
Fig. 1 is the stack sketch map of C/C composite and scolder pressed compact;
Fig. 2 a adopts the Co-Zr scolder to connect the microstructure of the connector interface zone of C/C composite;
Fig. 2 b is the collection of illustrative plates that the straight line in Fig. 2 a carries out the EDS line analysis;
Fig. 3 adopts the Co-Zr scolder to connect the XRD figure spectrum of the connector interface zone of C/C composite;
Fig. 4 a adopts the Co-Zr scolder to connect the microstructure of the connector interface zone of graphite material;
Fig. 4 b is the collection of illustrative plates that the straight line in Fig. 4 a carries out the EDS line analysis;
Fig. 5 adopts the Co-Zr scolder to connect the XRD figure spectrum of the connector interface zone of graphite material.
The specific embodiment
To combine embodiment and accompanying drawing that the present invention is further described below.
The present invention is a kind of method of attachment that is used for carbon-based material and goods C/C aeroplane brake discs thereof; Be that the Co-Zr scolder is placed between the connection end face of two blocks of C/C composites, or between the connection end face of two graphite materials, or connect between the connection end face of two C/C aeroplane brake discses; Realize the connection of two blocks of C/C composites; Or the connection of two graphite materials, or the connection of two C/C aeroplane brake discses, it is following to connect technology:
(A) preliminary treatment of the connection end face of carbon-based material and goods thereof;
The connection end face of carbon-based material and goods thereof is carried out grinding and buffing, and with ultrasonic waves for cleaning 15～30min, oven dry is for use then;
(B) preparation of scolder;
Choosing particle diameter is micron-sized Co powder and Zr powder, and the Co powder is mixed with the Zr powder, and wherein the quality percentage composition of Zr powder is 2%～8%; Mixed-powder is mixed 20～30min with ultrasonic vibration in alcohol.For avoiding to stir at any time in the mixed process owing to the different laminations that occur of powder density.Pour mortar after the mixed-powder drying again into and grind 20～30min, even to guarantee powder mixes.Take by weighing a part of scolder then, cold-press moulding obtains the scolder pressed compact on tablet press machine.The particle diameter of described Co powder and Zr powder is 5～90 μ m.
(C) connect technology;
The scolder pressed compact that above-mentioned (B) made is positioned on the connection end face after (A) handles, and perhaps the direct cloth powder of mixed-powder is being connected on the end face, puts into vacuum drying oven after two connection end faces stack that will connect then; Apply the pressure of 5～20kPa; Heating process is: at first be warming up to 800～1000 ℃ with 15～20 ℃/min speed, be warming up to 1200～1450 ℃ with 6～12 ℃/min speed then, insulation 3～10min; Cool to room temperature then with the furnace, take out.The connection of carbon-based material or its goods is accomplished.
Through embodiment the present invention is further described below, embodiment only is used to explain connection feasible process of the present invention, is not used in the interest field of restriction the present invention protection.
Embodiment 1Use method provided by the invention and connect the C/C composite.
In the preparation process of complex-shaped C/C composite material component; Because the C/C composite material preparation process is complicated; Cost is high, so adopt the method for once-forming to prepare comparatively difficulty of complex-shaped C/C composite material component, therefore need the C/C composite of simple shape be connected; The C/C composite material component that formed shape is complicated, the connection technology of concrete C/C composite is following:
(A) preliminary treatment of C/C composite;
The connection end face of C/C composite is carried out grinding and buffing, use ultrasonic waves for cleaning 30min, oven dry is for use then;
(B) preparation of scolder;
Choosing particle diameter is Co powder and the Zr powder of 5 μ m, and the Co powder is mixed with the Zr powder, and wherein the quality percentage composition of Zr powder is 2%; Mixed-powder is mixed 30min with ultrasonic vibration in alcohol.For avoiding to stir at any time in the mixed process owing to the different laminations that occur of powder density.Pour mortar after the mixed-powder drying again into and grind 20min, even to guarantee powder mixes.Take by weighing scolder then, cold-press moulding obtains the scolder pressed compact on tablet press machine.
(C) connect technology;
The scolder pressed compact that above-mentioned (B) made is positioned on the connection end face of the C/C composite after (A) handles, and two that will connect then connect the end face stack, as shown in Figure 1; Put into vacuum drying oven after the stack, apply the pressure of 20kPa, heating process is: at first be warming up to 800 ℃ with 15 ℃/min speed; Be warming up to 1200 ℃ with 12 ℃/min speed then; Insulation 3min cools to room temperature then with the furnace, takes out.The connection of C/C composite is accomplished.
Embodiment 2Use method of attachment provided by the invention and repair the C/C aeroplane brake discs
After the C/C aeroplane brake discs used through landing repeatedly, brake disc thickness can not satisfy the requirement of brake structure, need two or three the brake disc of wear down couple together (calling " two-in-one " and " three-in-one " respectively) come into operation once more.Because the complicated process of preparation of C/C aeroplane brake discs, cost is high, costs an arm and a leg, so the economic benefit of this recovery technique is very considerable.Described brake disc is realized connecting through following method:
(A) preliminary treatment of brake disc;
The connection end face of C/C brake disc is carried out grinding and buffing, use ultrasonic waves for cleaning 30min, oven dry is for use then;
(B) preparation of scolder;
Choosing particle diameter is Co powder and the Zr powder of 80 μ m, and the Co powder is mixed with the Zr powder, and wherein the quality percentage composition of Zr powder is 8%; Mixed-powder is mixed 20min with ultrasonic vibration in alcohol.For avoiding to stir at any time in the mixed process owing to the different laminations that occur of powder density.Pour mortar after the mixed-powder drying again into and grind 30min, even to guarantee powder mixes.
(C) connect technology;
The mixed-powder that above-mentioned (B) made is arranged on the connection end face of the C/C aeroplane brake discs after (A) handles with the mode of direct cloth powder; Put into vacuum drying oven after connecting the end face stack with two then, apply the pressure of 20kPa, heating process is: at first be warming up to 1000 ℃ with 20 ℃/min speed; Be warming up to 1450 ℃ with 6 ℃/min speed then; Insulation 10min cools to room temperature then with the furnace, takes out.The connection of C/C aeroplane brake discs is accomplished.
Obtain through embodiment 1 and embodiment 2, the Co-Zr scolder can form well behaved solder layer in connection procedure, and scolder and mother metal generation interfacial diffusion and interfacial reaction can obtain the higher connector of bonding strength.Connector shearing strength maximum reaches 17.0MPa, is 92.4% of C/C composite strength of parent.Microstructure and constituent analysis show, at C/C composite and scolder at the interface, counterdiffusion has taken place the element in mother metal and the scolder, is forming excellent metallurgical combination and mechanical snap, solder layer even compact at the interface.Chemical reaction has taken place in active element Zr and C/C composite in the scolder, has generated ZrC.
Accompanying drawing 2 is to adopt the Co-Zr scolder to connect the SEM scanned photograph and the EDS line analysis collection of illustrative plates of the connector interface zone of C/C composite.Can find out that from this scanned photograph scolder and C/C composite have formed the good interface combination, the solder layer even compact.Can find out that according to EDS line analysis collection of illustrative plates counterdiffusion has taken place for C element and the Co in the scolder, Zr element in the C/C composite.
Accompanying drawing 3 connects the XRD figure spectrum of the connector interface zone of C/C composite for adopting the Co-Zr scolder.Can find out that from this collection of illustrative plates interface zone mainly is made up of C, Co and ZrC.Wherein, C and Co are respectively from mother metal and scolder.This schemes to show, in connection procedure, has generated ZrC as strong carbide forming element and active very high Zr and the C in the C/C composite interfacial reaction having taken place at the interface.Because the Zr content of scolder itself is lower, so the amount of interfacial reaction product ZrC is less, the thing of interface zone existence mutually in shared mass percent lower, in the collection of illustrative plates its diffraction peak intensity a little less than.
Embodiment 3Use method of attachment provided by the invention and connect graphite material
In the preparation process of shape or baroque graphite member; Because the fragility of graphite; The method of employing once-forming prepares shape or baroque graphite member is comparatively difficult; Therefore need the graphite material of simple shape be connected to form shape or baroque graphite parts, concrete method of attachment is following:
(A) preliminary treatment of graphite;
The connection end face of graphite is carried out grinding and buffing, use ultrasonic waves for cleaning 15min, oven dry is for use then;
(B) preparation of scolder
Choosing particle diameter is Co powder and the Zr powder of 90 μ m, and the Co powder is mixed with the Zr powder, and wherein the quality percentage composition of Zr powder is 8%; Mixed-powder is mixed 20min with ultrasonic vibration in alcohol.For avoiding to stir at any time in the mixed process owing to the different laminations that occur of powder density.Pour mortar after the mixed-powder drying again into and grind 30min, even to guarantee powder mixes.Take by weighing above-mentioned mixed-powder then, cold-press moulding obtains the scolder pressed compact on tablet press machine.
(C) connect technology;
The scolder pressed compact that above-mentioned steps (B) is made is positioned on the connection end face of the graphite after step (A) is handled, and puts into vacuum drying oven after two connection end faces stack that will connect then, applies the pressure of 5kPa; Heating process is: at first be warming up to 800 ℃ with 20 ℃/min speed; Be warming up to 1450 ℃ with 12 ℃/min speed then, insulation 10min cools to room temperature then with the furnace; Take out, the connection of graphite is accomplished.
Obtain through embodiment 3, the Co-Zr scolder can form well behaved solder layer in connection procedure, and scolder and graphite mother metal generation interfacial diffusion and interfacial reaction can obtain the higher connector of bonding strength.The connector maximum of intensity is 87.8% of a graphite strength of parent.Microstructure and constituent analysis show, at graphite and scolder at the interface, counterdiffusion has taken place the element in graphite mother metal and the scolder, is forming excellent metallurgical combination and mechanical snap, solder layer even compact at the interface.Chemical reaction has taken place in active element Zr and graphite in the scolder, has generated ZrC.
Accompanying drawing 4a, 4b adopt the Co-Zr scolder to connect the SEM scanned photograph and the EDS line analysis collection of illustrative plates of the connector interface zone of graphite.Can find out that from this scanned photograph scolder and graphite have formed the good interface combination, the solder layer even compact.Can find out that according to EDS line analysis collection of illustrative plates counterdiffusion has taken place for C element and the Co in the scolder, Zr element in the graphite mother metal.
Accompanying drawing 5 connects the XRD figure spectrum of the connector interface zone of graphite for adopting the Co-Zr scolder.Can find out that from this collection of illustrative plates interface zone mainly is made up of C, Co and ZrC.Wherein, C and Co are respectively from mother metal and scolder.This schemes to show, in connection procedure, has generated ZrC as strong carbide forming element and active very high Zr and graphite interfacial reaction having taken place at the interface.Because the Zr content of scolder itself is lower, so the amount of interfacial reaction product ZrC is less, the thing of interface zone existence mutually in shared mass percent lower, in the collection of illustrative plates its diffraction peak intensity a little less than.
Can find out that according to above result of the test in connection procedure, at carbon-based material and scolder at the interface, counterdiffusion has taken place the element in mother metal and the scolder, combine and mechanical snap the solder layer even compact forming excellent metallurgical at the interface.Interfacial reaction has taken place in active element Zr and carbon-based material in the scolder, has generated ZrC, promotes interface bond, has therefore obtained higher bonding strength.
Claims (10)
1. method of attachment that is used for carbon-based material is characterized in that: described method of attachment is applicable to the connection between the carbon-based material of of the same race or xenogenesis, specifically realizes through the following technology that connects:
(A) connect surface preparation;
The connection end face of carbon-based material is carried out grinding and buffing, and with ultrasonic waves for cleaning 15～30min, oven dry is for use then;
(B) preparation of scolder,
Choosing particle diameter is micron-sized Co powder and Zr powder, and the Co powder is mixed with the Zr powder, and wherein the quality percentage composition of Zr powder is 2%～8%; Mixed-powder is mixed 20～30min with ultrasonic vibration in alcohol, stir at any time in the mixed process; Pour mortar after the mixed-powder drying again into and grind 20～30min, even to guarantee powder mixes;
(C) connect technology,
Mixed-powder cold-press moulding on tablet press machine that above-mentioned (B) made obtains the scolder pressed compact, and the scolder pressed compact is positioned on the connection end face after (A) handles; Perhaps the direct cloth powder of mixed-powder is being connected on the end face; Put into vacuum drying oven after connecting the end face stack with two then; Apply the pressure of 5～20kPa, heating process is: at first be warming up to 800～1000 ℃ with 15～20 ℃/min speed, be warming up to 1200～1450 ℃ with 6～12 ℃/min speed then; Insulation 3～10min; Cool to room temperature then with the furnace, take out, the connection of carbon-based material is accomplished.
2. the method for attachment that is used for carbon-based material according to claim 1 is characterized in that: in the described scolder, the Co powder of choosing and the particle diameter of Zr powder are 5～90 μ m.
3. the method for attachment that is used for carbon-based material according to claim 1 is characterized in that: connect the solder layer even compact that the back forms, formed with mother metal that excellent metallurgical combines and mechanical snap.
4. the method for attachment that is used for carbon-based material according to claim 1 is characterized in that: mainly be made up of Co, C and ZrC at the linkage interface place.
5. the method for attachment that is used for carbon-based material according to claim 1 is characterized in that: be used for preparation or repair the C/C composite material parts.
6. the method for attachment that is used for carbon-based material according to claim 1 is characterized in that: be used for preparation or repair the graphite material parts.
7. the method for attachment that is used for carbon-based material according to claim 1 is characterized in that: be used to repair the C/C aeroplane brake discs, comprise two the brake disc of wear down connect into one, or three the brake disc of wear down connect into one.
8. method of attachment that is used for the carbon-based material goods is characterized in that: described method of attachment is applicable to the connection between the carbon-based material goods of of the same race or xenogenesis, specifically realizes through the following technology that connects:
(A) connect surface preparation;
The connection end face of carbon-based material goods is carried out grinding and buffing, and with ultrasonic waves for cleaning 15～30min, oven dry is for use then;
(B) preparation of scolder,
Choosing particle diameter is micron-sized Co powder and Zr powder, and the Co powder is mixed with the Zr powder, and wherein the quality percentage composition of Zr powder is 2%～8%; Mixed-powder is mixed 20～30min with ultrasonic vibration in alcohol, stir at any time in the mixed process; Pour mortar after the mixed-powder drying again into and grind 20～30min, even to guarantee powder mixes;
(C) connect technology,
Mixed-powder cold-press moulding on tablet press machine that above-mentioned (B) made obtains the scolder pressed compact, and the scolder pressed compact is positioned on the connection end face after (A) handles; Perhaps the direct cloth powder of mixed-powder is being connected on the end face; Put into vacuum drying oven after connecting the end face stack with two then; Apply the pressure of 5～20kPa, heating process is: at first be warming up to 800～1000 ℃ with 15～20 ℃/min speed, be warming up to 1200～1450 ℃ with 6～12 ℃/min speed then; Insulation 3～10min; Cool to room temperature then with the furnace, take out, the connection of carbon-based material goods is accomplished.
9. a kind of method of attachment that is used for the carbon-based material goods according to claim 8 is characterized in that: in the described scolder, the Co powder of choosing and the particle diameter of Zr powder are 5～90 μ m.
10. a kind of method of attachment that is used for the carbon-based material goods according to claim 8 is characterized in that: mainly be made up of Co, C and ZrC at the linkage interface place.
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| CN 201010515861 CN102009239B (en) | 2010-10-15 | 2010-10-15 | Connection method used for carbon based materials and products thereof |
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| CN 201010515861 CN102009239B (en) | 2010-10-15 | 2010-10-15 | Connection method used for carbon based materials and products thereof |
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| CN104690386A (en) * | 2015-03-25 | 2015-06-10 | 哈尔滨工业大学（威海） | Method for connecting Cf/LAS composite material via AgCuTi brazing filler metal |
| CN114453824A (en) * | 2021-12-25 | 2022-05-10 | 西北工业大学 | Brazing filler metal repairing method for surface defects of C/C composite material |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1451505A (en) * | 2002-04-16 | 2003-10-29 | 西北有色金属研究院 | Carbon based composite material and titanium alloy soldering method |
| CN1712167A (en) * | 2004-06-24 | 2005-12-28 | Snecma固体燃料推进器公司 | Method of brazing composite materials sealed with silicon based composition |
| CN1883861A (en) * | 2006-07-07 | 2006-12-27 | 北京科技大学 | Method for preparing carbon-base material-copper connector used as thermonuclear reactor component under high heat flux |
| EP1966107A2 (en) * | 2005-12-08 | 2008-09-10 | Snecma Moteurs | Brazed joint between a titanium-based metal part and a ceramic part based on silicon carbide (sic) and/or carbon |
| CN101326139A (en) * | 2005-12-08 | 2008-12-17 | 斯奈克玛 | Joint between a metal part and a ceramic part based sic and/or c |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1451505A (en) * | 2002-04-16 | 2003-10-29 | 西北有色金属研究院 | Carbon based composite material and titanium alloy soldering method |
| CN1712167A (en) * | 2004-06-24 | 2005-12-28 | Snecma固体燃料推进器公司 | Method of brazing composite materials sealed with silicon based composition |
| EP1966107A2 (en) * | 2005-12-08 | 2008-09-10 | Snecma Moteurs | Brazed joint between a titanium-based metal part and a ceramic part based on silicon carbide (sic) and/or carbon |
| CN101326139A (en) * | 2005-12-08 | 2008-12-17 | 斯奈克玛 | Joint between a metal part and a ceramic part based sic and/or c |
| CN1883861A (en) * | 2006-07-07 | 2006-12-27 | 北京科技大学 | Method for preparing carbon-base material-copper connector used as thermonuclear reactor component under high heat flux |
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