CN111873493A - Manufacturing method of continuous fiber reinforced composite material connecting structure - Google Patents
Manufacturing method of continuous fiber reinforced composite material connecting structure Download PDFInfo
- Publication number
- CN111873493A CN111873493A CN202010751583.7A CN202010751583A CN111873493A CN 111873493 A CN111873493 A CN 111873493A CN 202010751583 A CN202010751583 A CN 202010751583A CN 111873493 A CN111873493 A CN 111873493A
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- China
- Prior art keywords
- composite material
- metal piece
- connecting structure
- manufacturing
- fiber reinforced
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/68—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/68—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
- B29C70/681—Component parts, details or accessories; Auxiliary operations
- B29C70/683—Pretreatment of the preformed part, e.g. insert
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Laminated Bodies (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
The invention discloses a manufacturing method of a continuous fiber reinforced composite material connecting structure, and relates to the field of material performance treatment. The connecting structure comprises a metal piece and a composite material, wherein the metal piece is embedded in the composite material, and the composite material is solidified and formed to be combined with the metal piece; through surface oxygen permeation treatment on the surface of the metal piece, the surface roughness of the metal piece is increased, so that the bonding strength of the composite material and the metal piece is increased, and the bearing capacity of the integral structure of the composite material is improved.
Description
Technical Field
The invention relates to the field of material performance treatment, in particular to a manufacturing method of a continuous fiber reinforced composite material connecting structure.
Background
The continuous fiber reinforced composite material is more and more widely applied due to excellent performance, relates to the fields of aviation, aerospace, traffic, energy and the like, and gradually develops from a non-bearing structure to a secondary bearing structure and even a main bearing structure. As a main bearing structural member, in order to realize connection with other parts and guarantee the capability of bearing larger load, metal parts are often embedded in the composite material. In the known technology, the embedded metal part in the composite material connecting structure is usually subjected to simple treatments such as surface dust removal and oil removal, so that the metal part and the composite material matrix resin are combined to form the weakest part in the embedded metal connecting structure, the embedded metal part often cannot bear large load, and the safety is low during use.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a manufacturing method of a composite material connecting structure capable of improving the bearing capacity of the integral structure of the composite material.
The purpose of the invention is realized by the following technical scheme: a manufacturing method of a continuous fiber reinforced composite material connecting structure comprises a composite material and a metal piece, wherein a connecting end of the composite material is provided with a pre-buried hole, the structure of the metal piece is matched with the pre-buried hole, and the metal piece is fixed in the pre-buried hole;
the manufacturing method of the continuous fiber reinforced composite material connecting structure comprises the following steps:
s1: putting the metal piece into a high-temperature furnace, vacuumizing the high-temperature furnace, and heating the high-temperature furnace to a certain temperature;
s2: introducing oxygen with certain concentration into the high-temperature furnace at a certain speed, carrying out surface oxygen permeation treatment for a certain time, and generating a layer of oxide film on the surface of the metal piece;
s3: and pre-embedding the metal piece treated by the S1-S2 into a composite material, and solidifying and forming the composite material to be combined with the metal piece.
Preferably, the composite material comprises a reinforcement and a matrix material, wherein the reinforcement is any one or more of carbon fiber, aramid fiber, basalt fiber, ultra-high molecular weight polyethylene fiber and glass fiber, and the matrix resin is any one of epoxy resin and polyurethane.
Preferably, the metal piece is made of any one of stainless steel, aluminum alloy, titanium alloy and carbon steel.
The invention has the following advantages:
1. the bonding strength of the composite material and the metal piece is increased, and the bearing capacity of the integral structure of the composite material is improved.
Drawings
FIG. 1 is a schematic structural view of a continuous fiber reinforced composite connecting structure;
FIG. 2 shows the result of a simple surface treatment of a metal part;
FIG. 3 shows the result of surface oxygen diffusion treatment of the surface of a metal part;
in the figure: 1-a composite material; 2-metal part.
Detailed Description
The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following.
As shown in fig. 1, a method for manufacturing a continuous fiber reinforced composite material connection structure includes a composite material 1 and a metal piece 2, a pre-buried hole is formed in a connection end of the composite material 1, the structure of the metal piece 2 is matched with the pre-buried hole, and the metal piece 2 is fixed in the pre-buried hole;
the manufacturing method of the continuous fiber reinforced composite material connecting structure comprises the following steps:
s1: putting the metal piece 2 into a high-temperature furnace, vacuumizing the high-temperature furnace, and heating the high-temperature furnace to a certain temperature;
s2: introducing oxygen with certain concentration into the high-temperature furnace at a certain speed, carrying out surface oxygen permeation treatment for a certain time, and generating a layer of oxide film on the surface of the metal piece;
s3: and pre-embedding the metal piece 2 processed by the steps S1-S2 into the composite material 1, and solidifying and forming the composite material 1 to be combined with the metal piece 2.
Preferably, the composite material 1 comprises a reinforcement and a matrix material, wherein the reinforcement is any one or more of carbon fiber, aramid fiber, basalt fiber, ultra-high molecular weight polyethylene fiber and glass fiber, and the matrix resin is any one of epoxy resin and polyurethane.
Preferably, the metal member 2 is made of any one of stainless steel, aluminum alloy, titanium alloy and carbon steel.
As shown in fig. 2 and 3, the surface roughness of the surface of the metal member 2 after the surface oxygen permeation treatment is higher than that after the simple treatment.
Claims (3)
1. The manufacturing method of the continuous fiber reinforced composite material connecting structure comprises a composite material (1) and a metal piece (2), wherein a pre-buried hole is formed in a connecting end of the composite material (1), the structure of the metal piece (2) is matched with the pre-buried hole, and the metal piece (2) is fixed in the pre-buried hole;
the method is characterized in that: the manufacturing method of the continuous fiber reinforced composite material connecting structure comprises the following steps:
s1: putting the metal piece (2) into a high-temperature furnace, vacuumizing the high-temperature furnace, and heating the high-temperature furnace to a certain temperature;
s2: introducing oxygen with certain concentration into the high-temperature furnace at a certain speed, carrying out surface oxygen permeation treatment for a certain time, and generating a layer of oxide film on the surface of the metal piece;
s3: and pre-embedding the metal piece (2) processed by the steps S1-S2 into the composite material (1), and solidifying and forming the composite material (1) to be combined with the metal piece (2).
2. The method of manufacturing a continuous fiber reinforced composite material connecting structure according to claim 1, wherein: the composite material (1) comprises a reinforcement body and a matrix material, wherein the reinforcement body is any one or more of carbon fiber, aramid fiber, basalt fiber, ultra-high molecular weight polyethylene fiber and glass fiber, and the matrix resin is any one of epoxy resin and polyurethane.
3. The method of manufacturing a continuous fiber reinforced composite material connecting structure according to claim 1, wherein: the metal piece (2) is made of any one of stainless steel, aluminum alloy, titanium alloy and carbon steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010751583.7A CN111873493A (en) | 2020-07-30 | 2020-07-30 | Manufacturing method of continuous fiber reinforced composite material connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010751583.7A CN111873493A (en) | 2020-07-30 | 2020-07-30 | Manufacturing method of continuous fiber reinforced composite material connecting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111873493A true CN111873493A (en) | 2020-11-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010751583.7A Pending CN111873493A (en) | 2020-07-30 | 2020-07-30 | Manufacturing method of continuous fiber reinforced composite material connecting structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN111873493A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114043746A (en) * | 2021-11-15 | 2022-02-15 | 北京计算机技术及应用研究所 | Metal-containing embedded part carbon fiber shell forming method based on vacuum introduction process |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3406055A (en) * | 1965-05-20 | 1968-10-15 | Cabot Corp | Welding method for cured polymeric compositions |
| CN101709449A (en) * | 2009-11-24 | 2010-05-19 | 大连海事大学 | Surface oxidation treatment device and method of aluminum alloy |
| CN108866456A (en) * | 2018-07-06 | 2018-11-23 | 西南石油大学 | A kind of stainless steel fibre enhancing Al alloy composite and preparation method thereof |
| CN110315784A (en) * | 2019-06-25 | 2019-10-11 | 浙江众泰汽车制造有限公司 | Carbon fibre reinforced composite part and metalwork connection method, connection structure and automobile |
| CN111396484A (en) * | 2020-03-24 | 2020-07-10 | 西安联瑞科技实业有限责任公司 | Resin-based fiber composite material plate spring body, manufacturing method thereof and plate spring assembly |
| CN111421861A (en) * | 2020-05-08 | 2020-07-17 | 上海瓴荣材料科技有限公司 | Aluminum alloy and resin composite material integrated structure and preparation method thereof |
-
2020
- 2020-07-30 CN CN202010751583.7A patent/CN111873493A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3406055A (en) * | 1965-05-20 | 1968-10-15 | Cabot Corp | Welding method for cured polymeric compositions |
| CN101709449A (en) * | 2009-11-24 | 2010-05-19 | 大连海事大学 | Surface oxidation treatment device and method of aluminum alloy |
| CN108866456A (en) * | 2018-07-06 | 2018-11-23 | 西南石油大学 | A kind of stainless steel fibre enhancing Al alloy composite and preparation method thereof |
| CN110315784A (en) * | 2019-06-25 | 2019-10-11 | 浙江众泰汽车制造有限公司 | Carbon fibre reinforced composite part and metalwork connection method, connection structure and automobile |
| CN111396484A (en) * | 2020-03-24 | 2020-07-10 | 西安联瑞科技实业有限责任公司 | Resin-based fiber composite material plate spring body, manufacturing method thereof and plate spring assembly |
| CN111421861A (en) * | 2020-05-08 | 2020-07-17 | 上海瓴荣材料科技有限公司 | Aluminum alloy and resin composite material integrated structure and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114043746A (en) * | 2021-11-15 | 2022-02-15 | 北京计算机技术及应用研究所 | Metal-containing embedded part carbon fiber shell forming method based on vacuum introduction process |
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Application publication date: 20201103 |
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