WO2013146229A1 - 構造体用構造材 - Google Patents
構造体用構造材 Download PDFInfo
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- WO2013146229A1 WO2013146229A1 PCT/JP2013/056789 JP2013056789W WO2013146229A1 WO 2013146229 A1 WO2013146229 A1 WO 2013146229A1 JP 2013056789 W JP2013056789 W JP 2013056789W WO 2013146229 A1 WO2013146229 A1 WO 2013146229A1
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- WIPO (PCT)
- Prior art keywords
- structural material
- ωcm
- conductivity
- cfrp
- thickness direction
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/06—Elements
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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
- B29C70/88—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts characterised primarily by possessing specific properties, e.g. electrically conductive or locally reinforced
- B29C70/882—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts characterised primarily by possessing specific properties, e.g. electrically conductive or locally reinforced partly or totally electrically conductive, e.g. for EMI shielding
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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
- B29C70/88—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts characterised primarily by possessing specific properties, e.g. electrically conductive or locally reinforced
- B29C70/882—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts characterised primarily by possessing specific properties, e.g. electrically conductive or locally reinforced partly or totally electrically conductive, e.g. for EMI shielding
- B29C70/885—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts characterised primarily by possessing specific properties, e.g. electrically conductive or locally reinforced partly or totally electrically conductive, e.g. for EMI shielding with incorporated metallic wires, nets, films or plates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/02—Layer formed of wires, e.g. mesh
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
- B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
- C08J5/0405—Reinforcing macromolecular compounds with loose or coherent fibrous material with inorganic fibres
- C08J5/042—Reinforcing macromolecular compounds with loose or coherent fibrous material with inorganic fibres with carbon fibres
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G13/00—Installations of lightning conductors; Fastening thereof to supporting structure
- H02G13/80—Discharge by conduction or dissipation, e.g. rods, arresters, spark gaps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/106—Carbon fibres, e.g. graphite fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
- B32B2307/202—Conductive
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2457/00—Electrical equipment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2605/00—Vehicles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31678—Of metal
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/10—Scrim [e.g., open net or mesh, gauze, loose or open weave or knit, etc.]
Definitions
- the present invention relates to a structural material for a structural body provided with a carbon fiber reinforced plastic.
- CFRP carbon fiber reinforced plastic
- patent document 1 it is invention of a three-dimensional fiber reinforced resin composite material, Comprising: In order to provide electroconductivity to a fiber reinforced resin composite material without impairing productivity, an ear thread has higher electroconductivity than an in-plane direction thread
- Patent Documents 2 and 3 disclose inventions of prepregs and carbon fiber reinforced composite materials that include conductive particles or fibers for the purpose of combining excellent impact resistance and conductivity. Has been.
- Patent Document 4 is an invention of an improved composite material, which has electrical conductivity and has a conductive property dispersed in a polymer resin for the purpose of increasing little or no weight compared to a standard composite material. A technique for including a conductive particle is disclosed.
- a metal lightning-resistant mesh or lightning-resistant foil is attached to the surface of the CFRP to impart conductivity to the structural material.
- an electric current is sent through a mesh or foil, and an electric current is not sent through the inside of CFRP.
- the workability of the mesh and foil is poor, and the weight is particularly heavy in the case of foil. For this reason, there is a problem in that it takes time and labor at the time of manufacture and the weight of the entire structure increases.
- the present invention has been made in view of such circumstances, and is a structural material for a structure that can reduce weight while reducing time and labor during manufacturing while ensuring lightning resistance.
- the purpose is to provide.
- the structural member for a structure of the present invention employs the following means. That is, the structural material for a structure according to the present invention includes a carbon fiber reinforced plastic in which the reinforcing material includes carbon fibers, the matrix includes plastic, and the resistivity in the plate thickness direction is 1 ⁇ cm or more and 200 ⁇ cm or less.
- the carbon fiber reinforced plastic has a reinforcing material containing carbon fiber, a matrix containing plastic, and a resistivity in the thickness direction of 1 ⁇ cm or more and 200 ⁇ cm or less. Conductivity is given. Therefore, when the structural material for a structure is subjected to a lightning stroke, Joule heat generated inside can be suppressed. If the electrical conductivity is increased and the resistivity in the plate thickness direction is less than 1 ⁇ cm, the strength of the structural material for the structure cannot be maintained due to the effect of imparting electrical conductivity to the carbon fiber reinforced plastic.
- the structural material for a structural body is a structural material applied to a structural body such as an aircraft, an offshore windmill, or an automobile / railway vehicle.
- the carbon fiber reinforced plastic may have a resistivity in the plate thickness direction of 100 ⁇ cm or less.
- the resistivity in the plate thickness direction of the carbon fiber reinforced plastic is 100 ⁇ cm or less, which is lower than 200 ⁇ cm, the Joule heat generated inside can be further suppressed when the structural material for a structure is subjected to a lightning strike. Can do.
- a metal foil or a metal mesh may be installed on the surface of the carbon fiber reinforced plastic.
- the conductivity in the structural material for a structure can be reinforced by the metal foil or the metal mesh.
- the carbon fiber reinforced plastic since the carbon fiber reinforced plastic also has electrical conductivity, the lightning resistance required for the metal foil or the metal mesh in the structural material for a structure as compared with the case where the carbon fiber reinforced plastic does not have electrical conductivity. Performance can be relaxed. For example, reducing the thickness of the metal foil to reduce weight, replacing the metal foil required with a metal mesh, or changing the mesh size of the metal mesh to a larger one You can do it.
- the structural material for a structure is imparted with conductivity by the carbon fiber reinforced plastic, and when the structural material for a structure is subjected to a lightning strike, the Joule heat generated inside can be suppressed. Therefore, it is possible to reduce the weight while reducing the time and labor during manufacturing while ensuring the lightning resistance.
- the structural material for a structure according to the first embodiment of the present invention includes carbon fiber reinforced plastic (CFRP).
- CFRP carbon fiber reinforced plastic
- the structural material for a structure is applied to a structure such as an aircraft, an offshore windmill, or an automobile / railway vehicle. Therefore, the structural material for structure has the strength required by the applied structure.
- the reinforcing material has carbon fibers
- the matrix has plastic.
- CFRP has conductivity by adjusting at least one of a reinforcing material and a matrix. For example, the type, content, structure, characteristics, etc. of the carbon fiber or plastic material are adjusted.
- Carbon fiber may be laminated over a plurality of layers in the thickness direction of the structural material for structure.
- a method of laminating carbon fibers for example, a method in which continuous carbon fibers are finely cut are uniformly coated between plastic layers, or a carbon fiber layer in which continuous carbon fibers are arranged with directionality is infiltrated into plastic. There is a way.
- Various techniques can be applied to the method of imparting conductivity to CFRP using carbon fiber, and detailed description thereof is omitted in this specification. For example, conductivity can be imparted to the entire CFRP by using fibers obtained by finely cutting continuous carbon fibers.
- the matrix has a plastic such as a thermosetting resin such as unsaturated polyester or epoxy resin.
- Conductivity may be imparted to the matrix, and various techniques can be applied to the method of imparting conductivity to a plastic such as a thermosetting resin, and detailed description thereof is omitted in this specification. Examples of a method for imparting conductivity to the matrix include a method of including conductive particles or fibers in the plastic, and a method of imparting conductivity to the plastic itself.
- the resistivity in the thickness direction of the structural material for a structure is, for example, 1 ⁇ cm or more and 200 ⁇ cm or less, and preferably 1 ⁇ cm or more and 100 ⁇ cm or less. If the resistivity in the plate thickness direction of the structural material for the structure is within these ranges, the structural material for the structure was given electrical conductivity and the resistivity was low. Sometimes, Joule heat (RI 2 ) generated inside can be suppressed.
- the plate thickness direction of the structural material for a structure is a direction perpendicular to the in-plane direction of the structural material for a structure, and is a direction measured assuming a direction through which a lightning current passes during lightning strikes. .
- the resistivity in the plate thickness direction of the structural material for a structure is desirably 1 ⁇ cm or more.
- the resistivity in the plate thickness direction of the structural material for structures is 200 ⁇ cm or less.
- the resistivity in the plate thickness direction of the structural material for the structure is 100 ⁇ cm or less, which is lower than 200 ⁇ cm, when the structural material for the structure is subjected to a lightning stroke, the Joule heat generated inside can be further suppressed, The degree of damage of the structural material for the structure can be further reduced.
- the structural material for structure according to the second embodiment of the present invention will be described.
- the structural material for a structure according to the first embodiment described above is provided with carbon fiber reinforced plastic (CFRP) and a metal foil or a metal mesh is not installed on the CFRP surface
- CFRP carbon fiber reinforced plastic
- the structural material for a structure according to this embodiment includes CFRP and a metal foil or a metal mesh installed on the surface of the CFRP.
- the CFRP applied to the structural material for the structure according to the present embodiment is the same as the CFRP according to the first embodiment described above, and has conductivity by adjusting at least one of carbon fiber and plastic.
- the detailed description of CFRP is omitted because it overlaps with the above description.
- the metal foil or the metal mesh (hereinafter referred to as “foil” or “mesh”, respectively) is made of copper having high conductivity, for example.
- the foil or mesh is placed along the surface on the entire surface or part of the CFRP. By providing the foil or the mesh, it is possible to reinforce the conductivity in the structural material for a structure.
- the CFRP that constitutes the structural material for a structure also has conductivity. Therefore, compared with the conventional example in which CFRP has no electrical conductivity in the structural material for structures, the lightning resistance performance required for the foil or mesh installed together with CFRP can be relaxed. For example, the thickness of the foil can be reduced to reduce the weight, or the place where the foil is required can be replaced with a mesh, or the mesh can be changed to a larger mesh.
- first example For both the test body according to the first embodiment (hereinafter referred to as “first example”) and the test body based on the conventional example, a plate-like member having a square of about 50 cm and a thickness of about 1.5 mm was used as a test object. Moreover, CFRP of each test body has an 8ply (8 laminated) structure of fiber layers. In the first embodiment, conductivity is imparted and the resistivity in the thickness direction is 6 ⁇ cm. On the other hand, in the conventional example, conductivity is not given and the resistivity in the plate thickness direction is 3000 ⁇ cm.
- the test method for the lightning resistance test was in accordance with the description of the Arc Entry Test of SAE International Aircraft Lightning Test Methods (ARP5416).
- the damaged area of the first example with conductivity is applied with a voltage due to discharge compared to the conventional example without conductivity. Half of the surface. In the conventional example, the damaged portion penetrates from the front surface to the back surface. However, in the first embodiment to which conductivity is imparted, the damage is limited to the second ply from the front surface side.
- the test method of the lightning resistance test was in accordance with the description of the arc entry test (Arc Entry Test) of SAE international Aircraft Lightning Test Methods (ARP5416) as described above.
- FIG. 1 shows the relationship between the resistivity [ ⁇ cm] in the plate thickness direction of the specimen and the relative damage area [%]. As a result of conducting a lightning resistance test on a plurality of specimens having different resistivity in the plate thickness direction, the result shown in FIG. 1 was obtained.
- the damage area of each test body is shown as a percentage when the damage area of the structural material for a structure including CFRP to which conductivity is not imparted is 100%.
- the structural material for a structure provided with CFRP to which the conductivity is imparted has a relative damage area of about 60% or less. It can also be seen that if the resistivity in the thickness direction is 100 ⁇ cm or less, the relative damage area can be suppressed to 50% or less. That is, it was confirmed that the CFRP with conductivity having a resistivity in the plate thickness direction of 200 ⁇ cm or less can reduce damage due to lightning current, compared with the CFRP without conductivity. It was confirmed that the damage caused by the lightning current can be further reduced in the CFRP imparted with conductivity having a rate of about 100 ⁇ cm or less.
- the structural material for a structure according to this embodiment is provided with conductivity by CFRP, and can suppress Joule heat generated inside when the structural material for a structure is subjected to a lightning strike. Therefore, it is possible to reduce the weight while reducing the time and labor during manufacturing while ensuring the lightning resistance.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Laminated Bodies (AREA)
- Reinforced Plastic Materials (AREA)
Abstract
Description
すなわち、本発明に係る構造体用構造材は、補強材が炭素繊維を含み、マトリックスがプラスチックを含み、板厚方向の抵抗率が1Ωcm以上200Ωcm以下である炭素繊維強化プラスチックを備える。
[第1実施形態]
以下、本発明の第1実施形態に係る構造体用構造材について説明する。
本発明の第1実施形態に係る構造体用構造材は、炭素繊維強化プラスチック(CFRP)を備える。構造体用構造材は、例えば、航空機、洋上風車、又は自動車・鉄道車両等の構造体に適用される。したがって、構造体用構造材は、適用される構造体によって要求される強度を有する。
次に、本発明の第2実施形態に係る構造体用構造材について説明する。
上述した第1実施形態に係る構造体用構造材は、炭素繊維強化プラスチック(CFRP)を備え、CFRP表面に金属製フォイル又は金属製メッシュが設置されない場合について説明したが、本発明はこの例に限定されない。
本実施形態の構造体用構造材は、CFRPと、CFRPの表面に設置された金属製フォイル又は金属製メッシュを備える。
本試験では、導電性が付与されたCFRPを備える構造体用構造材(第1実施形態)と、導電性が付与されていないCFRPを備える構造体用構造材(従来)の損傷の違いを比較した。いずれも金属製メッシュ又は金属製フォイルは設置していない。
第1実施例は、導電性が付与されて、板厚方向の抵抗率が6Ωcmである。一方、従来例は、導電性が付与されておらず、板厚方向の抵抗率が3000Ωcmである。
目視によると、導電性が付与されていない従来例では、放電による電圧が印加された表面において、縦225mm×横250mmの範囲で損傷が生じた。また、電圧が印加された側と反対の裏面においても、表面よりも範囲が狭いものの損傷が生じた。
一方、導電性が付与された第1実施例では、放電による電圧が印加された表面において、縦130mm×横140mmの範囲で損傷が生じた。電圧が印加された側と反対の裏面においては、印加前と同じ状態に維持され、損傷が生じなかった。
したがって、目視の結果から、板厚方向の抵抗率が6Ωcmである導電性が付与されたCFRPでは、雷電流による損傷を低減できることが確認された。
すなわち、板厚方向の抵抗率が200Ωcm以下である導電性が付与されたCFRPでは、導電性が付与されていないCFRPに比べて、雷電流による損傷を低減できることが確認され、板厚方向の抵抗率が約100Ωcm以下である導電性が付与されたCFRPでは、雷電流による損傷を更に低減できることが確認された。
Claims (3)
- 補強材が炭素繊維を含み、マトリックスがプラスチックを含み、板厚方向の抵抗率が1Ωcm以上200Ωcm以下である炭素繊維強化プラスチックを備える構造体用構造材。
- 前記炭素繊維強化プラスチックは、前記板厚方向の抵抗率が100Ωcm以下である請求項1に記載の構造体用構造材。
- 前記炭素繊維強化プラスチックの表面に金属製フォイル又は金属製メッシュが設置される請求項1又は2に記載の構造体用構造材。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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CN201380016906.6A CN104220494A (zh) | 2012-03-27 | 2013-03-12 | 用于结构体的结构材料 |
RU2014138402/05A RU2594417C2 (ru) | 2012-03-27 | 2013-03-12 | Конструкционный материал для сооружений |
US14/385,846 US20150044925A1 (en) | 2012-03-27 | 2013-03-12 | Structural material for structure |
EP13769159.8A EP2832773A4 (en) | 2012-03-27 | 2013-03-12 | STRUCTURAL MATERIAL FOR STRUCTURE |
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JP2012070922 | 2012-03-27 | ||
JP2012-070922 | 2012-03-27 |
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WO2013146229A1 true WO2013146229A1 (ja) | 2013-10-03 |
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PCT/JP2013/056789 WO2013146229A1 (ja) | 2012-03-27 | 2013-03-12 | 構造体用構造材 |
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US (1) | US20150044925A1 (ja) |
EP (1) | EP2832773A4 (ja) |
JP (1) | JPWO2013146229A1 (ja) |
CN (1) | CN104220494A (ja) |
RU (1) | RU2594417C2 (ja) |
WO (1) | WO2013146229A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR102030407B1 (ko) * | 2018-05-31 | 2019-10-10 | (주)에스에이치팩 | Cfrp 표면 코팅방법 및 이 방법에 의해 코팅되는 구성품을 포함하는 유압실린더 |
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- 2013-03-12 WO PCT/JP2013/056789 patent/WO2013146229A1/ja active Application Filing
- 2013-03-12 RU RU2014138402/05A patent/RU2594417C2/ru active
- 2013-03-12 US US14/385,846 patent/US20150044925A1/en not_active Abandoned
- 2013-03-12 EP EP13769159.8A patent/EP2832773A4/en not_active Withdrawn
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102030407B1 (ko) * | 2018-05-31 | 2019-10-10 | (주)에스에이치팩 | Cfrp 표면 코팅방법 및 이 방법에 의해 코팅되는 구성품을 포함하는 유압실린더 |
WO2019231048A1 (ko) * | 2018-05-31 | 2019-12-05 | (주)에스에이치팩 | Cfrp 표면 코팅방법 및 이 방법에 의해 코팅되는 구성품을 포함하는 유압실린더 |
US11312106B2 (en) | 2018-05-31 | 2022-04-26 | Shpac Co., Ltd. | CFRP surface coating method and hydraulic cylinder including component coated thereby |
Also Published As
Publication number | Publication date |
---|---|
EP2832773A4 (en) | 2015-11-18 |
RU2014138402A (ru) | 2016-05-20 |
US20150044925A1 (en) | 2015-02-12 |
JPWO2013146229A1 (ja) | 2015-12-10 |
RU2594417C2 (ru) | 2016-08-20 |
CN104220494A (zh) | 2014-12-17 |
EP2832773A1 (en) | 2015-02-04 |
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