CN108276018A - A method of C/C composite materials are connected without pressure with the soldering of nickel based metal paillon - Google Patents
A method of C/C composite materials are connected without pressure with the soldering of nickel based metal paillon Download PDFInfo
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- CN108276018A CN108276018A CN201810051162.6A CN201810051162A CN108276018A CN 108276018 A CN108276018 A CN 108276018A CN 201810051162 A CN201810051162 A CN 201810051162A CN 108276018 A CN108276018 A CN 108276018A
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- composite materials
- based metal
- nickel based
- high temperature
- metal paillon
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B37/00—Joining burned ceramic articles with other burned ceramic articles or other articles by heating
- C04B37/003—Joining burned ceramic articles with other burned ceramic articles or other articles by heating by means of an interlayer consisting of a combination of materials selected from glass, or ceramic material with metals, metal oxides or metal salts
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
- C04B2237/02—Aspects relating to interlayers, e.g. used to join ceramic articles with other articles by heating
- C04B2237/12—Metallic interlayers
- C04B2237/123—Metallic interlayers based on iron group metals, e.g. steel
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The present invention relates to a kind of in method of the nickel based metal paillon soldering without pressure connection C/C composite materials, it is melted at high temperature using nickel based metal paillon and chemical reaction generation chemical bonding occurs with C/C composite materials itself, obtain C/C composite materials and itself Welding connector, connector room temperature shear strength ranges up to 28.3MPa, compared with the background art, welding point room temperature shear strength of the present invention improves about 300%.Since nickel-base alloy paillon fusing point is at 1340 DEG C or so, soldered fitting is better than common soldered fitting high temperature resistance, it can be ensured that connector is stablized under high temperature environment is on active service.The present invention is not necessarily to pressure in Process of Vacuum Brazing, greatly simplifies technological process, and C/C composite material surfaces are not necessarily to specially treated, solves the problems, such as that traditional C/C composite materials Joining Technology is complicated, process is uncontrollable, performance is easily disperseed.The method can also realize being reliably connected for C/C composite material specials part or curved surface.
Description
Technical field
The invention belongs to the methods without pressure connection carbon/carbon compound material, are related to one kind and are brazed without pressure with nickel based metal paillon
The method for connecting C/C composite materials, the technique side that nickel-base alloy paillon soldering connection C/C composite materials are used under the conditions of no pressure
Method.
Background technology
Excellent, the high temperature resistant ablation with density low and high temperature mechanical property and thermal shock resistance of carbon/carbon (C/C) composite material
Etc. series of advantages, be widely used in aerospace field.But due to the limitation of C/C composite material self-formed shaping techniques,
Complex large-scale component is difficult to one-pass molding, therefore realizes that the connection between C/C composite materials has vital meaning.
" the side without pressure connection between a kind of C/C composite materials of Fu Qiangang, Wang Le, Zhao Fengling, Li He army of patent of invention one
The Shaanxi method [P]：CN106747553A, 2017-05-31. " propose that one kind realizing C/C composite materials and itself under the conditions of no pressure
Connection method, but this method connection layer material it is limited in the scattering and permeating ability of C/C composite layers, the connector of preparation
Room temperature shear strength is only 4.71~6.87MPa.
" Wang J, Li K, Li W, the et al.The preparation and mechanical of document one
properties of carbon/carbon composite joints using Ti–Si–SiC–C filler as
interlayer[J].Materials Science and Engineering:A,2013,574(7):37-45. " propose one
Kind uses Ti-SiC-Si-C as middle layer hot pressing connects C/C composite materials, but hot pressing connects are only applicable to smooth joint face, nothing
Method realizes effective connection to special-shaped joint face.
" Wang M, Liu J, Du H, the et al.A SiC whisker reinforced high- of document two
temperature resistant phosphate adhesive for bonding carbon/carbon composites
[J].Journal of Alloys&Compounds,2015,633:145-152. " is bonded by the crystal whisker toughened phosphate of SiC
Agent realizes the connection between C/C composite materials, but the toughening effect of SiC whiskers is limited, and phosphate binder itself cohesion
Power is insufficient, and bonding strength is no more than 10MPa.
Invention content
Technical problems to be solved
In order to avoid the shortcomings of the prior art, the present invention proposes that a kind of be brazed with nickel based metal paillon connects C/ without pressure
The method of C composite is reacted using after nickel based metal foil melts under high temperature with C/C composite materials, and then in interface shape
At chemical bonding, connector room temperature shear strength reaches as high as 28.3MPa, solve Conventional attachment methods C/C composite materials with
It the problem of the defects of crackle hole is susceptible at interlayer interface, while entire technical process does not need impressed pressure, can be with
Realize C/C composite material specials part or curved surface connection.
Technical solution
A method of C/C composite materials being connected without pressure with the soldering of nickel based metal paillon, it is characterised in that steps are as follows：
Step 1：It is cleaned by ultrasonic after C/C composite materials are put into acetone soln, is placed in 80 DEG C of baking oven dry；
Step 2：The two sides of nickel based metal paillon is polished successively using sand paper, then uses acetone and absolute ethyl alcohol point
It Chao Shengqingxi not be repeatedly；
Step 3：C/C composite joints are prepared under the conditions of high temperature pressure-free, are as follows：
Step a：It is that connection base material is assembled into sandwich knot using nickel based metal paillon as middle layer with C/C composite materials
Structure, fixed placement is in high temperature furnace；
Step b：Vacuum pumping is carried out to furnace body, makes vacuum degree 1 × 10-4~1 × 10-2In Pa；
Step 6：High temperature furnace temperature is risen to 1350~1600 DEG C with the heating rate of 5~15 DEG C/min, heat preservation 15~
60min is then cooled to room temperature with 5 DEG C/min cooling rates, obtains C/C composite joints.
The nickel based metal foil thickness is 0.1~0.8mm.
The ultrasonic cleaning power of the step 1 is 60~80Hz, and the time is 1~2 hour.
The polishing of the step 2 is respectively adopted 80#, 220#, 400#, 600#, 1000#SiC sand paper and is polished successively.
The ultrasonic cleaning of the step 2 is repeatedly to be cleaned by ultrasonic three times, and each scavenging period is 30min.
Advantageous effect
Proposed by the present invention a kind of in method of the nickel based metal paillon soldering without pressure connection C/C composite materials, utilization is Ni-based
Metal foil melts at high temperature occurs chemical reaction generation chemical bonding with C/C composite materials itself, obtains C/C composite materials
With itself Welding connector, connector room temperature shear strength ranges up to 28.3MPa, compared with the background art, present invention welding
Connector room temperature shear strength improves about 300%.Since nickel-base alloy paillon fusing point is at 1340 DEG C or so, soldered fitting is than common
Soldered fitting high temperature resistance is good, it can be ensured that connector is stablized under high temperature environment is on active service.The present invention is in Process of Vacuum Brazing
Without pressure, technological process is greatly simplified, and C/C composite material surfaces are not necessarily to specially treated, and it is compound to solve traditional C/C
The problem of material connection processes are complicated, process is uncontrollable, performance is easily disperseed.The method can also realize C/C composite material specials
Part or curved surface are reliably connected.
It is chemically combined because reacting to be formed in interface with C/C composite material base materials after nickel-base alloy foil melts, institute
Connector room temperature shear strength can reach 28.3MPa, compared to improving about 300%.Due to the fusing point of metallic intermediate layer
Higher, connector can bear higher temperature, and brazing process is not necessarily to pressure, greatly simplifies technological process, and C/C composite woods
Expect that surface is not necessarily to specially treated, solves that traditional C/C composite materials Joining Technology is complicated, process is uncontrollable, performance is easily disperseed
Problem.The method can also realize being reliably connected for C/C composite material specials part or curved surface.
Description of the drawings
Fig. 1 is the process flow chart of the present invention
Fig. 2 is the C/C composite joint SEM photographs prepared by the present invention
Specific implementation mode
In conjunction with embodiment, attached drawing, the invention will be further described：
Specific implementation mode
Embodiment one：
Step 1, C/C composite materials are put into acetone soln with tweezers, be cleaned by ultrasonic 2 hours, ultrasonic power 60Hz is put
Set in 80 DEG C of baking oven dry 2 hours it is spare；
Step 2, take thickness be 0.1mm metal foil, respectively use 80#, 220#, 400#, 600#, 1000#SiC sand paper according to
It is secondary to be polished, then it is cleaned by ultrasonic respectively three times with acetone and absolute ethyl alcohol successively, each scavenging period is that 30min is spare；
Step 3, C/C composite joints are prepared under high temperature pressure-free vacuum condition, are as follows：
A. it is to connect base material with cleaned C/C composite materials in step 1, ready nickel based metal in step 2
Paillon is middle layer, is assembled into sandwich structure, and is positioned in high temperature furnace fixed；
B. vacuum degree is made to reach 1 × 10-2Pa；
C. high temperature furnace temperature is risen to 1350 DEG C with the heating rate of 5 DEG C/min, keeps the temperature 60min, then cooled down with 5 DEG C/min
Speed is cooled to room temperature, and completes the connection of C/C composite materials and itself.Prepared contact cross-section pattern is as shown in Fig. 2, connector
Average shear strength be 23MPa.
Embodiment two：
Step 1, C/C composite materials are put into acetone soln with tweezers, be cleaned by ultrasonic 2 hours, ultrasonic power 80Hz is put
Set in 80 DEG C of baking oven dry 2 hours it is spare；
Step 2, take thickness be 0.5mm metal foil, respectively use 80#, 220#, 400#, 600#, 1000#SiC sand paper according to
It is secondary to be polished, then it is cleaned by ultrasonic respectively three times with acetone and absolute ethyl alcohol successively, each scavenging period is that 30min is spare；
Step 3, the connection that C/C composite materials and itself are realized under the conditions of high temperature pressure-free, is as follows：
A. it is to connect base material with cleaned C/C composite materials in step 1, ready nickel based metal in step 2
Paillon is middle layer, is assembled into sandwich structure, and is positioned in high temperature furnace fixed；
B. vacuum pumping is carried out to furnace body, vacuum degree is made to reach 1 × 10-3Pa；
C. high temperature furnace is warming up to 1550 DEG C with the heating rate of 10 DEG C/min, keeps the temperature 30min, it is then cold with 5 DEG C/min
But speed is cooled to room temperature, and completes the connection of C/C composite materials and itself.Connector room temperature shear strength 28.3MPa.
Embodiment three：
Step 1, C/C composite materials are put into acetone soln with tweezers, be cleaned by ultrasonic 1 hour, ultrasonic power 70Hz is put
Set in 80 DEG C of baking oven dry 1 hour it is spare；
Step 2, take thickness be 0.8mm metal foil, respectively use 80#, 220#, 400#, 600#, 1000#SiC sand paper according to
It is secondary to polish, then it is cleaned by ultrasonic respectively three times with acetone and absolute ethyl alcohol successively, each scavenging period is that 30min is spare；
Step 3, the connection that C/C composite materials and itself are realized under the conditions of high temperature pressure-free, is as follows：
A. it is to connect base material with cleaned C/C composite materials in step 1, ready nickel based metal in step 2
Paillon is middle layer, is assembled into sandwich structure, and is positioned in high temperature furnace fixed；
B. vacuum pumping is carried out to furnace body, vacuum degree is made to reach 1 × 10-4；
C. high temperature furnace is warming up to 1600 DEG C with the heating rate of 10 DEG C/min, keeps the temperature 15min, it is then cold with 5 DEG C/min
But rate is cooled to room temperature, and completes the connection of C/C composite materials and itself.Connector room temperature shear strength is 25MPa.
Claims (5)
1. a kind of in method of the nickel based metal paillon soldering without pressure connection C/C composite materials, it is characterised in that steps are as follows：
Step 1：It is cleaned by ultrasonic after C/C composite materials are put into acetone soln, is placed in 80 DEG C of baking oven dry；
Step 2：The two sides of nickel based metal paillon is polished successively using sand paper, is then surpassed respectively with acetone and absolute ethyl alcohol
Sound cleaning is multiple；
Step 3：C/C composite joints are prepared under the conditions of high temperature pressure-free, are as follows：
Step a：It is assembled into sandwich structure using nickel based metal paillon as middle layer for connection base material with C/C composite materials, Gu
Surely it is positioned in high temperature furnace；
Step b：Vacuum pumping is carried out to furnace body, makes vacuum degree 1 × 10-4~1 × 10-2In Pa；
Step 6：High temperature furnace temperature is risen to 1350~1600 DEG C with the heating rate of 5~15 DEG C/min, keeps the temperature 15~60min, with
It is cooled to room temperature afterwards with 5 DEG C/min cooling rates, obtains C/C composite joints.
2. being brazed the method without pressure connection C/C composite materials according to claim 1 with nickel based metal paillon, feature exists
In：The nickel based metal foil thickness is 0.1~0.8mm.
3. according to claim 1 or claim 2 with method of the nickel based metal paillon soldering without pressure connection C/C composite materials, feature
It is：The ultrasonic cleaning power of the step 1 is 60~80Hz, and the time is 1~2 hour.
4. according to claim 1 or claim 2 with method of the nickel based metal paillon soldering without pressure connection C/C composite materials, feature
It is：The polishing of the step 2 is respectively adopted 80#, 220#, 400#, 600#, 1000#SiC sand paper and is polished successively.
5. according to claim 1 or claim 2 with method of the nickel based metal paillon soldering without pressure connection C/C composite materials, feature
It is：The ultrasonic cleaning of the step 2 is repeatedly to be cleaned by ultrasonic three times, and each scavenging period is 30min.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810051162.6A CN108276018A (en) | 2018-01-19 | 2018-01-19 | A method of C/C composite materials are connected without pressure with the soldering of nickel based metal paillon |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810051162.6A CN108276018A (en) | 2018-01-19 | 2018-01-19 | A method of C/C composite materials are connected without pressure with the soldering of nickel based metal paillon |
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| CN108276018A true CN108276018A (en) | 2018-07-13 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111185686A (en) * | 2020-01-10 | 2020-05-22 | 西北工业大学 | Method for in-situ connection of SiC/SiC core cladding tube by adopting Zr alloy end plug |
| 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 |
| CN116693313A (en) * | 2023-05-24 | 2023-09-05 | 北京科技大学 | Laser welding method for C/C composite material |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106588064A (en) * | 2016-12-07 | 2017-04-26 | 中南大学 | Solder and connection method of carbon / carbon composites and nickel-base superalloys |
-
2018
- 2018-01-19 CN CN201810051162.6A patent/CN108276018A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106588064A (en) * | 2016-12-07 | 2017-04-26 | 中南大学 | Solder and connection method of carbon / carbon composites and nickel-base superalloys |
Non-Patent Citations (1)
| Title |
|---|
| 马文利等: "采用高温镍基钎料钎焊碳碳复合材料", 《第十次全国焊接会议论文集（第一册）》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111185686A (en) * | 2020-01-10 | 2020-05-22 | 西北工业大学 | Method for in-situ connection of SiC/SiC core cladding tube by adopting Zr alloy end plug |
| 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 |
| CN116693313A (en) * | 2023-05-24 | 2023-09-05 | 北京科技大学 | Laser welding method for C/C composite material |
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Application publication date: 20180713 |
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