CN111873494A - 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
- CN111873494A CN111873494A CN202010753522.4A CN202010753522A CN111873494A CN 111873494 A CN111873494 A CN 111873494A CN 202010753522 A CN202010753522 A CN 202010753522A CN 111873494 A CN111873494 A CN 111873494A
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- China
- Prior art keywords
- composite material
- metal piece
- manufacturing
- connecting structure
- 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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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/026—Anodisation with spark discharge
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Laminated Bodies (AREA)
- Manufacture Of Alloys Or Alloy Compounds (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 the surface treatment of the metal piece, the surface roughness of the metal piece is increased, the bonding strength of the composite material and the metal piece is increased, and therefore 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: soaking the metal piece in certain electrolyte solution to serve as an anode, taking an electrolytic bath as a cathode, and applying higher voltage and higher current;
s2: electrifying the cathode and the anode, and generating a thin oxidation film on the surface of the metal piece;
s3: continuing electrifying, wherein when the oxidation voltage of the anode region exceeds the critical voltage, the initially formed oxide film is broken down, micro-area arc discharge occurs, and an ultrahigh temperature region is formed instantly, so that oxides and matrix metal are melted and even gasified;
s4: the melt is contacted with electrolyte, and a ceramic film layer is formed on the surface of the metal piece due to the chilling action;
s5: and pre-embedding the metal piece treated by the S1-S4 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 cross-sectional view of a continuous fiber reinforced composite connection structure;
FIG. 2 is a schematic view of a surface treatment of a metal part;
FIG. 3 shows the result of a simple surface treatment of a metal part;
FIG. 4 shows the results of the surface of a metal part treated according to the present invention;
in the figure: 1-a composite material; 2-a metal piece; 3-an anode; 4-cathode.
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 connection structure is characterized in that: the connecting structure comprises a composite material 1 and a metal piece 2, a pre-buried hole is formed in the 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;
as shown in fig. 2, the method for manufacturing the continuous fiber reinforced composite connection structure includes the steps of:
s1: soaking a metal piece 2 in a certain electrolyte solution to be used as an anode 3, taking an electrolytic bath as a cathode 4, and applying higher voltage and higher current;
s2: electrifying the cathode 4 and the anode 3, and generating a thin oxide insulating layer on the surface of the metal piece 2;
s3: continuing electrifying, when the oxidation voltage of the anode 3 area exceeds the critical voltage, the initially formed oxidation film is broken down, micro-area arc discharge occurs, and an ultra-high temperature area is formed instantly, so that oxides and base metal are melted and even gasified;
s4: the melt is contacted with electrolyte, and a ceramic film layer is formed on the surface of the metal piece due to the chilling action;
s5: and pre-embedding the metal piece 2 processed by the steps S1-S4 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. 3 and 4, the surface roughness of the surface of the metal member 2 after the 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: immersing the metal piece (2) in a certain electrolyte solution to be used as an anode (3), and applying higher voltage and higher current to an electrolytic bath to be used as a cathode (4);
s2: electrifying the cathode (4) and the anode (3), and generating a thin oxidation film on the surface of the metal piece (2);
s3: continuing electrifying, when the oxidation voltage of the anode (3) area exceeds the critical voltage, the initially formed oxide film is broken down, micro-area arc discharge occurs, and an ultrahigh temperature area is formed instantly, so that oxides and matrix metal are melted and even gasified;
s4: the melt is contacted with electrolyte, and a ceramic film layer is formed on the surface of the metal piece due to the chilling action;
s5: and pre-embedding the metal piece (2) processed by the steps S1-S4 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 |
|---|---|---|---|
| CN202010753522.4A CN111873494A (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 |
|---|---|---|---|
| CN202010753522.4A CN111873494A (en) | 2020-07-30 | 2020-07-30 | Manufacturing method of continuous fiber reinforced composite material connecting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111873494A true CN111873494A (en) | 2020-11-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010753522.4A Pending CN111873494A (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) | CN111873494A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3561997A (en) * | 1967-05-02 | 1971-02-09 | Perstorp Ab | Process for metal coating a plastic layer |
| CN102166824A (en) * | 2010-12-29 | 2011-08-31 | 江西昌河航空工业有限公司 | Method for positioning composite material metal insert |
| CN104227879A (en) * | 2014-07-17 | 2014-12-24 | 航天特种材料及工艺技术研究所 | Method for positioning metal embedded part in flexible mold assisted RTM molding |
| CN111231375A (en) * | 2020-01-14 | 2020-06-05 | 上海交通大学 | Hot forming and co-curing integrated forming method for CFRP/aluminum alloy composite structure |
-
2020
- 2020-07-30 CN CN202010753522.4A patent/CN111873494A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3561997A (en) * | 1967-05-02 | 1971-02-09 | Perstorp Ab | Process for metal coating a plastic layer |
| CN102166824A (en) * | 2010-12-29 | 2011-08-31 | 江西昌河航空工业有限公司 | Method for positioning composite material metal insert |
| CN104227879A (en) * | 2014-07-17 | 2014-12-24 | 航天特种材料及工艺技术研究所 | Method for positioning metal embedded part in flexible mold assisted RTM molding |
| CN111231375A (en) * | 2020-01-14 | 2020-06-05 | 上海交通大学 | Hot forming and co-curing integrated forming method for CFRP/aluminum alloy composite structure |
Non-Patent Citations (3)
| Title |
|---|
| 廖健, 刘静安, 谢永生, 姚春明: "《铝合金挤压材生产与应用》", 31 March 2018, 冶金工业出版社 * |
| 王明猛，肖守讷，阳光武，杨冰，朱涛: "碳纤维复合材料在高速列车头罩上的应用研究", 《电力机车与城轨车辆》 * |
| 袁晓光: "《实用压铸技术》", 30 September 2009, 辽宁科学技术出版社 * |
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Application publication date: 20201103 |
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| RJ01 | Rejection of invention patent application after publication |