CN110284100A - A kind of connection method of Cf/SiC composite material and other metals - Google Patents
A kind of connection method of Cf/SiC composite material and other metals Download PDFInfo
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- CN110284100A CN110284100A CN201910576384.4A CN201910576384A CN110284100A CN 110284100 A CN110284100 A CN 110284100A CN 201910576384 A CN201910576384 A CN 201910576384A CN 110284100 A CN110284100 A CN 110284100A
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- composite material
- sic composite
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/02—Pretreatment of the material to be coated
- C23C14/021—Cleaning or etching treatments
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/14—Metallic material, boron or silicon
- C23C14/18—Metallic material, boron or silicon on other inorganic substrates
- C23C14/185—Metallic material, boron or silicon on other inorganic substrates by cathodic sputtering
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/24—Vacuum evaporation
- C23C14/28—Vacuum evaporation by wave energy or particle radiation
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- Engineering & Computer Science (AREA)
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- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
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- Inorganic Chemistry (AREA)
- Ceramic Products (AREA)
Abstract
A kind of connection method of Cf/SiC composite material and other metals, belongs to composite material and dissimilar metal connection area.Cf/SiC composite material is placed in NaOH solution after heating corrosion with dried for standby after ultrasonic cleaning by the present invention first；Surface sweeping speed, surface sweeping spacing and laser power are set in software and processed the Cf/SiC composite material to be metallized to material.The present invention utilizes laser scanning, make ceramics that fast reaction occur with metal in very high temperature, or makes molten metal that high-speed sputtering occur, and reaction was completed in very short time, it realizes that the transient response of high temperature combines, brittlement phase will not be formed because of overreact while realizing reaction.
Description
Technical field
A kind of connection method of Cf/SiC composite material and other metals, belongs to composite material and connect neck with dissimilar metal
Domain.
Background technique
Cf/SiC composite material combines the plurality of advantages of carbon fiber and silicon carbide ceramics, not only has single-phase SiC ceramic
A series of excellent performances such as high abrasion, resistant to chemical etching, high-termal conductivity, high temperature resistant and low linear expansion coefficient, and due to carbon
The implantation of fiber enhances the toughness of SiC ceramic matrix, effectively overcomes SiC ceramic to the sensibility of crackle and thermal shock.Cause
This Cf/SiC composite material has a good application prospect in fields such as Aeronautics and Astronautics, military projects.In many applications, usually need
Cf/SiC composite material is attached with metal material, achievees the purpose that mutual supplement with each other's advantages, but conventional active metal brazing,
That there are bonding strengths is lower, interfacial reaction is difficult to control, interface forms brittleness for the methods of diffusion welding, Transient liquid phase connection
The urgent problems such as phase, interfacial stress are big, thermal expansion mismatches.
Active metal brazing be by active element (Ti, Zr, Hf, Nb, Cr, Ta, V etc.) in solder and SiC ceramic and
The interfacial reaction of its composite material promotes wetting of the solder to its surface, thus realize SiC ceramic and its composite material itself or
The welding method of person and metal being reliably connected.Wherein, Ti is most common active element.This method has jointing performance
Stabilization, simple process, it is widely applicable the advantages that, it has also become SiC ceramic and its one of the common method of composite material connection.
Diffusion welding is that under certain temperature and pressure, connected material surface contacts with each other, by connecing it
Contacting surface locally occurs to be plastically deformed and expand the physical contact for being connected material surface, then in conjunction with phase counterdiffusion between layer atom
Form the process being integrally reliably connected.Currently, the research of the diffusion welding of SiC ceramic and its composite material is concentrated mainly on
The optimum choice of technological parameter (connection temperature, the determination for connecting pressure, soaking time, middle layer) and connects analysis of Residual Stress
Several aspects such as head Interface Microstructure, performance.Generally use containing Ti, Zr, Nb, the metal material of Cr isoreactivity element make middle layer with
Connection temperature, connection pressure are reduced, shortens soaking time, alleviates the residual stress of connector.
Self-propagating high-temperature connection (SHS) refers to heat release and its product using SHS reaction to weld the technology by weldering base material.
Formula, pressure, atmosphere of SHS connecting material etc. are easy to control, and the reaction time is short, can significantly reduce the Connection Time, still
Reaction speed is too fast, and solder burning time is difficult to control, to also interfacial reaction just be made to be difficult to control.Someone utilizes TiC-Ni
As solder, leaf as middle layer SHS connection SiC ceramic and Ni based high-temperature alloy, the intensity of connector is functionally graded material
The 60% of SiC base material.The addition of tungsten middle layer improves the stress distribution of connector well, alleviates the ceramic area Jin Feng
Stress is concentrated, and the intensity of connector is improved.The counterdiffusion of element has occurred at joint interface, this facilitates mentioning for bond strength
It is high.Currently, SHS connection SiC ceramic and its composite material are still in the laboratory research stage, lack Cf/SiC composite material and its
The excellent connection method of his metal.
Summary of the invention
In view of the above deficiencies, the present invention provides the connection method of a kind of Cf/SiC composite material and other metals, this method
It can complete to react in the short time.
The present invention solves technical problem use, and the technical scheme comprises the following steps:
S1. Cf/SiC composite material is placed in the NaOH solution that concentration is 1-10mol/L；
S2. solution is heated to 10-100 DEG C, reaction corrosion 1-72h；
S3. sample, ultrasonic cleaning, dried for standby are taken out；
S4. metallic region figure is edited in optical fiber laser control software；
S5. setting surface sweeping speed is 1-1000mm/s in software, surface sweeping spacing is 0.01-1mm, laser power 10-
100%；
S6. the Cf/SiC composite sample that will be metallized is placed on laser processing platform, place thereon with a thickness of
The metal foil of 0.01-0.5mm；
S7. it adjusts position focal length and is laser machined, metal foil steam raising under the effect of the laser is splashed to
Cf/SiC composite material surface, the Cf/SiC composite material to be metallized；
S8. sample is polished, drying obtains finished product.
Principle: this method is the novel ceramic/metal connection method that applicant proposes.Connection Step schematic diagram such as Fig. 1
Shown, the core of this method is to make ceramics that fast reaction occur with metal in very high temperature, or make to melt using laser scanning
High-speed sputtering occurs for metal, and reaction was completed in very short time, realizes that the transient response of high temperature combines, while realizing reaction
Brittlement phase will not be formed because of overreact.Meanwhile joint fibre reinforced is mutually CfFiber inside/SiC ceramic matrix composite material
A part of body is worked out, joint fibre reinforced phase and brazing metal soak, and fibre reinforced is connected composite material and gold
Belong to solder, by fiber reinforced effect and extracts effect, achieve the purpose that Welded Joints toughening.
The utility model has the advantages that
Compared with existing interconnection technique method, present method be advantageous in that being made using laser scanning in very high temperature
With metal fast reaction occurs for ceramics, or makes molten metal that high-speed sputtering occur, and reaction was completed in very short time, realizes high temperature
Transient response combine, realize reaction while will not form brittlement phase because of overreact.Meanwhile by chemical attack,
Joint fibre reinforced is mutually a part of the fiber establishment body of Cf/SiC composite inner, joint fibre reinforced phase
It being soaked with brazing metal, fibre reinforced is connected composite material and brazing metal, by fiber reinforced effect and effect is extracted,
Achieve the purpose that Welded Joints toughening.
Detailed description of the invention
Fig. 1 is ceramic/metal connection method block diagram.
Fig. 2 is the electron microscope of 1 product of embodiment.
Fig. 3 is the electron microscope of reference examples product.
Specific embodiment
In order to deepen the understanding of the present invention, the present invention will be described in further detail with reference to the examples below, implements below
Example for explaining only the invention, is not intended to limit the scope of the present invention..
Embodiment 1
S1. Cf/SiC composite material is placed in the NaOH solution that concentration is 1mol/L；
S2. solution is heated to proper temperature, reaction corrosion 1 hour；
S3. sample, ultrasonic cleaning, dried for standby are taken out；
S4. metallic region figure is edited in optical fiber laser control software；
S5. in software setting surface sweeping speed be 100mm/s, laser power 80%；
S6. the Cf/SiC composite sample that will be metallized is placed on laser processing platform, places 0.01mm thereon
The Ni metal paillon of thickness；
S7. it adjusts position focal length and is laser machined, metal foil steam raising under the effect of the laser is splashed to
Cf/SiC composite material surface, the Cf/SiC composite material to be metallized；
S8. sample is polished, drying obtains finished product.
Embodiment 2
S1. Cf/SiC composite material is placed in the NaOH solution that concentration is 3mol/L；
S2. solution is heated to proper temperature, reaction corrosion 2 hours；
S3. sample, ultrasonic cleaning, dried for standby are taken out；
S4. metallic region figure is edited in optical fiber laser control software；
S5. setting surface sweeping speed is 150mm/s, laser power 70% in software；
S6. the Cf/SiC composite sample that will be metallized is placed on laser processing platform, places 0.01mm thereon
The Ni metal paillon of thickness；
S7. it adjusts position focal length and is laser machined, metal foil steam raising under the effect of the laser is splashed to
Cf/SiC composite material surface, the Cf/SiC composite material to be metallized；
S8. sample is polished, drying obtains finished product.
Embodiment 3
S1. Cf/SiC composite material is placed in the NaOH solution that concentration is 5mol/L；
S2. solution is heated to proper temperature, reaction corrosion 3 hours；
S3. sample, ultrasonic cleaning, dried for standby are taken out；
S4. metallic region figure is edited in optical fiber laser control software；
S5. setting surface sweeping speed is 200mm/s, laser power 60% in software；
S6. the Cf/SiC composite sample that will be metallized is placed on laser processing platform, places 0.01mm thereon
The Ni metal paillon of thickness；
S7. it adjusts position focal length and is laser machined, metal foil steam raising under the effect of the laser is splashed to
Cf/SiC composite material surface, the Cf/SiC composite material to be metallized；
S8. sample is polished, drying obtains finished product.
Reference examples
Corrosion corrosion metal is not added in step S2, other steps are same as Example 1.
The metal that corrodes in embodiment 1 is as shown in Figure 1, after excessive erosion, the carbon fiber of exposing, and the metal in reference examples is such as
Not eroded shown in Fig. 2, carbon fiber is embedded in SiC body.
Above-described embodiment is only intended to citing and explanation of the invention, and is not intended to limit the invention to described
In scope of embodiments.Furthermore it will be appreciated by persons skilled in the art that the present invention is not limited to the above embodiment, according to this hair
Bright introduction can also make more kinds of variants and modifications, these variants and modifications all fall within present invention model claimed
In enclosing.
Claims (4)
1. a kind of connection method of Cf/SiC composite material and other metals, which is characterized in that method includes the following steps:
S1. in NaOH solution Cf/SiC composite material being placed in；
S2. solution is heated and is corroded；
S3. sample, ultrasonic cleaning, dried for standby are taken out；
S4. metallic region figure is edited in optical fiber laser control software；
S5. surface sweeping speed, surface sweeping spacing and laser power are arranged in software is；
S6. the Cf/SiC composite sample that will be metallized is placed on laser processing platform, is placed thereon with a thickness of 0.01-
The metal foil of 0.5mm；
S7. it adjusts position focal length and is laser machined, the Cf/SiC composite material to be metallized；
S8. sample is polished, drying is stand-by.
2. the connection method of a kind of Cf/SiC composite material and other metals according to claim 1, which is characterized in that step
The concentration of NaOH solution in rapid S1 is 1-10mol/L.
3. the connection method of a kind of Cf/SiC composite material and other metals according to claim 1, which is characterized in that step
Heating temperature is 10-100 DEG C in rapid S2, etching time 1-72h.
4. the connection method of a kind of Cf/SiC composite material and other metals according to claim 1, which is characterized in that step
Surface sweeping speed is 1-1000mm/s in rapid S5, surface sweeping spacing is 0.01-1mm, laser power 10-100%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910576384.4A CN110284100A (en) | 2019-06-28 | 2019-06-28 | A kind of connection method of Cf/SiC composite material and other metals |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910576384.4A CN110284100A (en) | 2019-06-28 | 2019-06-28 | A kind of connection method of Cf/SiC composite material and other metals |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020158112A1 (en) * | 2001-04-30 | 2002-10-31 | Peter Rodhammer | Method of joining a high-temperature material composite component |
| CN101920366A (en) * | 2010-08-31 | 2010-12-22 | 中国航空工业集团公司北京航空材料研究院 | Method for brazing Cf/SiC composite material and wrought superalloy |
| CN106653630A (en) * | 2017-01-22 | 2017-05-10 | 大连大学 | Silicon surface metallization method |
| CN108863425A (en) * | 2018-07-30 | 2018-11-23 | 西北工业大学 | The connection method of silicon carbide ceramics and its composite material |
| CN109249621A (en) * | 2018-09-26 | 2019-01-22 | 北京航空航天大学 | A method of selective laser processing connection metal and thermoplastic composite based on interlocking structure |
-
2019
- 2019-06-28 CN CN201910576384.4A patent/CN110284100A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020158112A1 (en) * | 2001-04-30 | 2002-10-31 | Peter Rodhammer | Method of joining a high-temperature material composite component |
| CN101920366A (en) * | 2010-08-31 | 2010-12-22 | 中国航空工业集团公司北京航空材料研究院 | Method for brazing Cf/SiC composite material and wrought superalloy |
| CN106653630A (en) * | 2017-01-22 | 2017-05-10 | 大连大学 | Silicon surface metallization method |
| CN108863425A (en) * | 2018-07-30 | 2018-11-23 | 西北工业大学 | The connection method of silicon carbide ceramics and its composite material |
| CN109249621A (en) * | 2018-09-26 | 2019-01-22 | 北京航空航天大学 | A method of selective laser processing connection metal and thermoplastic composite based on interlocking structure |
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Application publication date: 20190927 |