WO2007108247A1 - 成形体表面の導電化方法及び表面導電性成形体 - Google Patents
成形体表面の導電化方法及び表面導電性成形体 Download PDFInfo
- Publication number
- WO2007108247A1 WO2007108247A1 PCT/JP2007/052359 JP2007052359W WO2007108247A1 WO 2007108247 A1 WO2007108247 A1 WO 2007108247A1 JP 2007052359 W JP2007052359 W JP 2007052359W WO 2007108247 A1 WO2007108247 A1 WO 2007108247A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- molded body
- particles
- resin
- conductive
- film
- Prior art date
Links
Classifications
-
- 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
- C23C24/00—Coating starting from inorganic powder
- C23C24/02—Coating starting from inorganic powder by application of pressure only
- C23C24/04—Impact or kinetic deposition of particles
-
- 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
-
- 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
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/043—Improving the adhesiveness of the coatings per se, e.g. forming primers
-
- 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
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/044—Forming conductive coatings; Forming coatings having anti-static properties
-
- 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
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/06—Coating with compositions not containing macromolecular substances
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
-
- 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
Definitions
- the present invention relates to a method for electrically conducting a surface of a molded body and a surface conductive molded body.
- a resin-based composite material containing a resin such as fiber-reinforced plastic is widely used as a structural member for aircraft, automobiles, ships, and the like because it is lightweight and has high strength. Since such a resin-based composite material contains a low-conductivity resin as a matrix, for example, when used as an aircraft main wing structure, it is necessary to impart conductivity to the surface in order to provide lightning resistance. is there.
- a method for imparting electrical conductivity to the surface of a composite material a method of exposing the copper foil to the surface of the composite material by heat-bonding and forming the copper foil simultaneously with the formation of the composite material is known (for example, Patent Documents). 1).
- Patent Document 1 Japanese Patent Application Laid-Open No. 11 138669
- the present invention has been made in view of such circumstances, and after forming a molded body containing a resin such as a resin-based composite material, a metal having excellent adhesion on its surface by a simple method. It is an object of the present invention to provide a method for forming a film to make the molded body conductive, and a surface conductive molded body provided with a metal film having excellent adhesion on the surface of a molded body containing a resin.
- the method for electrically conducting a surface of a molded body according to the present invention includes projecting metal particles onto at least a part of the surface of a molded body containing a resin by a cold spray method, It was set as the method of forming a film.
- a simple method of projecting metal particles directly on the surface of the molded body can be used.
- the molded body can be made conductive.
- the surface conductive molded body of the present invention has a configuration including a molded body containing a resin and a metal film formed by a cold spray method on at least a part of the surface of the molded body.
- the surface conductive molded body is produced by a simple method in which metal particles are directly projected onto the surface of the molded body, and has a metal film having excellent adhesion.
- the metal particles collide with the irregularities on the surface of the resin molded body such as a composite material at a high speed to form a metal film, so that the metal film having excellent adhesion can be obtained using a simple device.
- the surface of the molded body can be made conductive.
- a surface conductive molded article having a metal film having excellent adhesion can be obtained by a simple method.
- FIG. 1 is a cross-sectional photograph of a surface conductive molded body obtained by the conductive film of Example 1.
- FIG. 2 is a cross-sectional photograph of a surface conductive molded body obtained using the conductive film of Example 2.
- the resin molded body on which a metal film is formed on the surface includes inorganic fibers such as glass fibers, carbon fibers, carbon carbide fibers, alumina fibers or boron fibers, nylon fibers, and vinylon fibers.
- fiber reinforced plastic in which organic fibers such as aramid fiber are blended with thermosetting resin such as unsaturated polyester or epoxy resin, and each of these fibers is polycarbonate resin, methallyl resin,
- FRTP thermoplastic reinforced plastic
- the present invention when the present invention is applied to an aircraft main wing structure with lightning resistance, it is preferable to use carbon fiber reinforced plastic (CFRP) or glass fiber reinforced plastic (GFRP) as the resin molded body.
- CFRP carbon fiber reinforced plastic
- GFRP glass fiber reinforced plastic
- the present invention is not limited to this, and a molded body made only of a resin can also be a subject of electrical conductivity of the present invention.
- the resin molded body is roughened by shot blasting using fine particles as a pretreatment to form a metal film after molding.
- the particles (projection material) used in shot blasting include hard particles such as metal, ceramics, and glass. Among these, ceramic particles such as alumina, silica, silicon carbide, and zirconia particles can be suitably used.
- the shape of the particles used for shot blasting is not particularly limited, and substantially spherical particles may be used, or particles having a sharp ridge angle such as alumina and carbide particles may be used.
- the average particle diameter of the projection material is 200 ⁇ m or less, and is particularly preferably 10 ⁇ m or more and 100 ⁇ m or less. If the average particle size of the projection material is larger than 200 m, the surface of the molded body will be damaged due to the excessive motion energy of the projection material particles, especially if the molded body is the above-mentioned composite material, the internal fibers will be damaged. This is not preferable. If the average particle size of the projection material is less than 10 m, it is difficult to obtain a stable injection state.
- the surface of the molded body is roughened by shot blasting.
- the injection speed at the time of shot blasting is defined by, for example, the injection pressure of compressed air.
- the injection pressure at the time of shot blasting as a pretreatment for forming a metal film is preferably from 0. IMPa to 1 MPa, more preferably from 0.3 MPa to 0.6 MPa. If the injection pressure is greater than 1 MPa, the surface of the molded body will be damaged by the excessive kinetic energy of the projection material particles, and particularly if the molded body is the above-mentioned composite material, the internal fibers will be damaged. Absent. If the injection pressure is less than 0. IMPa, it is difficult to obtain a stable injection state.
- the coverage of shot blasting is preferably 100% or more and 1000% or less, more preferably 100% or more and 500% or less.
- the coverage is less than 100%, the surface of the molded body is not sufficiently roughened Z activated, and the effect of improving the adhesion between the treated surface of the molded body and the adhesion target or coating film cannot be obtained.
- the coverage exceeds 1000%, the surface of the shaped body will be damaged! / In particular, when the molded body is the above-mentioned composite material, the internal fibers are damaged, which is not preferable.
- the arithmetic average surface roughness Ra of the treated surface of the molded body pretreated under the above conditions is 0.3. It is preferable that it is not less than ⁇ m and not more than 2 ⁇ m. If the surface roughness of the surface to be processed is less than 0.3 ⁇ m, the surface of the green body is not sufficiently roughened / activated, and the adhesion between the surface to be processed and the object to be bonded or the coating film This is not preferable because the effect of improving the above cannot be obtained. Further, if the surface roughness of the surface to be treated is larger than 2 m, the above-mentioned composite material is not preferable because it damages internal fibers.
- a metal film is formed by projecting metal particles onto the surface of the resin molding by a cold spray method.
- the cold spray method is a technique in which film material particles are heated to a temperature lower than their melting point or softening temperature, sprayed at a supersonic speed with a propellant gas, and applied to a substrate in the solid phase to form a film.
- the particles hitting the substrate cause plastic deformation and deposit on the substrate surface to form a film.
- relatively soft metal particles are used as the coating material particles.
- metal particles for example, particles of tin, copper, zinc, and alloys thereof can be employed.
- tin particles are particularly preferable.
- the particle size of the metal particles is preferably about 10 ⁇ m to 50 ⁇ m. If the particle size is less than 10 / z m, a stable injection state cannot be obtained, which is not preferable. On the other hand, if the particle size exceeds 50 m, it is not preferable because the particles are deposited.
- Helium, nitrogen, air, or the like can be used as the injection gas used for injecting the metal particles, but it is preferable to use air that is excellent in operability and inexpensive in consideration of construction of an actual machine. However, depending on the situation, it is preferable to use an inert gas because the acidity of the metal particles hardly changes. In that case, helium is particularly preferable because a high flow rate can be obtained.
- the injection pressure of the injection gas is selected in the range where the collision speed reaches the critical speed of the metal particle compact, and can be, for example, 0.5 to 0.6 MPa or more.
- the heating temperature of the propellant gas containing the metal particles is appropriately selected depending on the material, and is, for example, 100 ° C. or higher and 500 ° C. or lower.
- a metal film is formed on at least a part of the surface of the molded body, and the surface of the molded body is made conductive.
- the thickness of the metal film is 30 m or more and 2 mm or less.
- the thickness of the metal film is preferably 50 ⁇ m or more and 500 ⁇ m or less.
- the metal film may be a film consisting of one layer, but may have a structure in which two or more layers are laminated. In this case, it is particularly preferable to use tin or zinc, which is excellent in adhesiveness to rosin, as a layer on the molded body substrate side, and to use tin as a layer on the molded body substrate side.
- tin or zinc is formed as a layer on the side of the molded article substrate by the conductive layer method of the present invention, and a copper layer is formed thereon by the conductive layer method of the present invention. It is preferable to form.
- a spray method such as a thermal spraying method is employed instead of the “cold spray method”. Is also possible.
- a cold spray treatment was performed on the molded body with carbon fiber reinforced plastic (CFRP) force under the following conditions to make the surface of the molded body conductive.
- CFRP carbon fiber reinforced plastic
- Metal particles Tin particles, average particle size 40 m
- Injection conditions Injection pressure 0.5MPa, gas heating temperature 300 ° C
- Fig. 1 shows a cross-sectional photograph of the surface conductive molded body obtained by the above-described conductivity.
- Carbon fiber reinforced plastic (CFRP) force In this way, the surface of the molded body was made conductive.
- Metal particles Tin particles, average particle size 40 m
- Injection conditions Injection pressure 0.5MPa, gas heating temperature 300 ° C
- Metal particles Copper particles, average particle size 30 / z m
- Injection conditions Injection pressure 0.6 MPa, gas heating temperature 400 ° C
- FIG. 2 shows a cross-sectional photograph of the surface conductive molded body obtained by the above-mentioned conductivity.
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BRPI0708764-0A BRPI0708764A2 (pt) | 2006-03-15 | 2007-02-09 | processo para conceder condutividade À superfÍcie de artigo formado, e artigo formado com condutividade superficial |
US12/224,424 US20090029180A1 (en) | 2006-03-15 | 2007-02-09 | Process for Imparting Conductivity to Surface of Formed Article, and Formed Article with Surface Conductivity |
CA 2644171 CA2644171A1 (en) | 2006-03-15 | 2007-02-09 | Process for imparting conductivity to surface of formed article, and formed article with surface conductivity |
EP07708295A EP1995349A4 (en) | 2006-03-15 | 2007-02-09 | METHOD FOR CONDUCTING THE SURFACE OF A MOLDED OBJECT AND MOLDED OBJECT WITH CONDUCTIVE SURFACE |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006-070795 | 2006-03-15 | ||
JP2006070795A JP4908884B2 (ja) | 2006-03-15 | 2006-03-15 | 成形体表面の導電化方法及び表面導電性成形体 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007108247A1 true WO2007108247A1 (ja) | 2007-09-27 |
Family
ID=38522284
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2007/052359 WO2007108247A1 (ja) | 2006-03-15 | 2007-02-09 | 成形体表面の導電化方法及び表面導電性成形体 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20090029180A1 (ja) |
EP (1) | EP1995349A4 (ja) |
JP (1) | JP4908884B2 (ja) |
BR (1) | BRPI0708764A2 (ja) |
CA (1) | CA2644171A1 (ja) |
WO (1) | WO2007108247A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110103999A1 (en) * | 2008-08-25 | 2011-05-05 | Kazuyuki Oguri | Metal coating forming method and aerospace structural member |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5428302B2 (ja) * | 2008-11-21 | 2014-02-26 | 株式会社Ihi | 樹脂構造体の製造方法および樹脂構造体製造装置 |
JP4677050B1 (ja) * | 2010-07-20 | 2011-04-27 | スタータック株式会社 | 被膜形成方法及びその方法により形成される複合材 |
JP5773679B2 (ja) * | 2011-02-16 | 2015-09-02 | 三菱重工業株式会社 | 炭素繊維強化プラスチック構造体及びその製造方法 |
FR2995323B1 (fr) * | 2012-09-11 | 2014-11-21 | Renault Sa | Procede de formation d'un revetement metallique sur une surface d'un substrat thermoplastique, et materiau composite correspondant |
WO2014167658A1 (ja) * | 2013-04-10 | 2014-10-16 | 株式会社 日立製作所 | 金属被覆樹脂構造体とその製法 |
WO2016064460A2 (en) * | 2014-07-31 | 2016-04-28 | Sikorsky Aircraft Corporation | Method of making a composite article |
EP3401419B1 (en) * | 2017-05-11 | 2019-07-31 | AIRBUS HELICOPTERS DEUTSCHLAND GmbH | A method of manufacturing a structural arrangement with a fiber reinforced polymer component and a cold gas sprayed electrically conductive layer |
US11492708B2 (en) | 2018-01-29 | 2022-11-08 | The Boeing Company | Cold spray metallic coating and methods |
US11167864B2 (en) * | 2018-04-27 | 2021-11-09 | The Boeing Company | Applying cold spray erosion protection to an airfoil |
US11634820B2 (en) | 2019-06-18 | 2023-04-25 | The Boeing Company | Molding composite part with metal layer |
CN112975181A (zh) * | 2019-12-13 | 2021-06-18 | 亚浩电子五金塑胶(惠州)有限公司 | 散热器结构的焊接方法 |
JPWO2022190736A1 (ja) * | 2021-03-08 | 2022-09-15 |
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JPH11138669A (ja) | 1997-09-08 | 1999-05-25 | Boeing Co:The | ハニカムコア構造、薄板構造、複合航空機構造、および薄板複合構造 |
JPH11342560A (ja) * | 1998-05-29 | 1999-12-14 | Toto Ltd | 金属質表面層を有する樹脂部材及びその製造方法 |
US6129948A (en) | 1996-12-23 | 2000-10-10 | National Center For Manufacturing Sciences | Surface modification to achieve improved electrical conductivity |
JP2001094235A (ja) * | 1999-09-21 | 2001-04-06 | Nippon Synthetic Chem Ind Co Ltd:The | 回路形成方法 |
JP2004281977A (ja) * | 2003-03-19 | 2004-10-07 | Yazaki Corp | 筐体の放熱構造 |
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JPH06333431A (ja) * | 1993-05-26 | 1994-12-02 | Mitsubishi Heavy Ind Ltd | 導電化複合材構造体およびその製造方法 |
US6640434B1 (en) * | 2000-04-11 | 2003-11-04 | Lear Corporation | Method of forming an electrical circuit on a substrate |
US7476422B2 (en) * | 2002-05-23 | 2009-01-13 | Delphi Technologies, Inc. | Copper circuit formed by kinetic spray |
JP2004353073A (ja) * | 2003-05-30 | 2004-12-16 | Fujimi Inc | 溶射皮膜の形成方法 |
JP3890041B2 (ja) * | 2003-07-09 | 2007-03-07 | 株式会社リケン | ピストンリング及びその製造方法 |
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-
2006
- 2006-03-15 JP JP2006070795A patent/JP4908884B2/ja not_active Expired - Fee Related
-
2007
- 2007-02-09 BR BRPI0708764-0A patent/BRPI0708764A2/pt not_active IP Right Cessation
- 2007-02-09 WO PCT/JP2007/052359 patent/WO2007108247A1/ja active Application Filing
- 2007-02-09 EP EP07708295A patent/EP1995349A4/en not_active Withdrawn
- 2007-02-09 US US12/224,424 patent/US20090029180A1/en not_active Abandoned
- 2007-02-09 CA CA 2644171 patent/CA2644171A1/en not_active Abandoned
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US5795626A (en) | 1995-04-28 | 1998-08-18 | Innovative Technology Inc. | Coating or ablation applicator with a debris recovery attachment |
US6129948A (en) | 1996-12-23 | 2000-10-10 | National Center For Manufacturing Sciences | Surface modification to achieve improved electrical conductivity |
JPH11138669A (ja) | 1997-09-08 | 1999-05-25 | Boeing Co:The | ハニカムコア構造、薄板構造、複合航空機構造、および薄板複合構造 |
JPH11342560A (ja) * | 1998-05-29 | 1999-12-14 | Toto Ltd | 金属質表面層を有する樹脂部材及びその製造方法 |
JP2001094235A (ja) * | 1999-09-21 | 2001-04-06 | Nippon Synthetic Chem Ind Co Ltd:The | 回路形成方法 |
JP2004281977A (ja) * | 2003-03-19 | 2004-10-07 | Yazaki Corp | 筐体の放熱構造 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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US20110103999A1 (en) * | 2008-08-25 | 2011-05-05 | Kazuyuki Oguri | Metal coating forming method and aerospace structural member |
CN102089461A (zh) * | 2008-08-25 | 2011-06-08 | 三菱重工业株式会社 | 金属被膜的形成方法及航空航天结构部件 |
Also Published As
Publication number | Publication date |
---|---|
EP1995349A4 (en) | 2009-03-18 |
US20090029180A1 (en) | 2009-01-29 |
JP4908884B2 (ja) | 2012-04-04 |
EP1995349A1 (en) | 2008-11-26 |
CA2644171A1 (en) | 2007-09-27 |
BRPI0708764A2 (pt) | 2011-06-14 |
JP2007246967A (ja) | 2007-09-27 |
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