JP5466254B2 - 繊維強化樹脂と金属との接合構造及び繊維強化樹脂と金属との接合方法 - Google Patents
繊維強化樹脂と金属との接合構造及び繊維強化樹脂と金属との接合方法 Download PDFInfo
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- JP5466254B2 JP5466254B2 JP2012048693A JP2012048693A JP5466254B2 JP 5466254 B2 JP5466254 B2 JP 5466254B2 JP 2012048693 A JP2012048693 A JP 2012048693A JP 2012048693 A JP2012048693 A JP 2012048693A JP 5466254 B2 JP5466254 B2 JP 5466254B2
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- reinforced resin
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- resin composite
- metal material
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- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
- B29C66/721—Fibre-reinforced materials
- B29C66/7214—Fibre-reinforced materials characterised by the length of the fibres
- B29C66/72141—Fibres of continuous length
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/7394—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoset
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/74—Joining plastics material to non-plastics material
- B29C66/742—Joining plastics material to non-plastics material to metals or their alloys
- B29C66/7422—Aluminium or alloys of aluminium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
-
- 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
- Y10T428/19—Sheets or webs edge spliced or joined
- Y10T428/192—Sheets or webs coplanar
- Y10T428/195—Beveled, stepped, or skived in thickness
-
- 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
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
- Y10T428/24612—Composite web or sheet
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Laminated Bodies (AREA)
- Laser Beam Processing (AREA)
Description
車、船舶あるいは一般産業機器の構造用部材として広く用いられている。例えば、炭素繊維やガラス繊維等の無機物系強化繊維を縦横に配して織り込んだ織物にエポキシ樹脂などの樹脂を含浸硬化して形成したものが知られる。
しかし、すべてを繊維強化樹脂複合材で構成せず、一部に金属材を適用しなければならない場合も少なくない。
そこで、繊維強化樹脂複合材と金属材と高強度に接合することが課題となる。従来、特許文献1−3にも記載されるように、繊維強化樹脂複合材と金属材とを直接接着することにより、締結具を排して軽量化等を図る技術が提案されている。
特許文献1に記載の接合構造にあっては、両部材の接合する端部それぞれに、相補的なステップ状構造を形成し、つき合わせ面に垂直なステップ面に大面積の接着面を確保したステップ状接合面が採用される。
特許文献2記載の接合構造にあっては、チューブ材において、多段のステップ状接合面が採用される。また、特許文献2には、ステップ状接合面が2層に重なる構造が記載されている(同文献第3図参照)。これは、繊維強化樹脂複合材の端面に開口する奥狭のステップ状に形成された溝に、先細りのステップ状に形成された金属材の端部を挿入する構造である。
特許文献3記載の接合構造にあっては、シャフト材において、軸方向端を斜めにして繊維強化樹脂複合材と金属材とを一部を重ねて配置し巻回することで、その軸を通る断面において両材料を交互に重ねて多層に形成する。
特許文献1に記載の技術にあっては、1層の繊維強化樹脂複合材と1層の金属材との重なりによる接合構造である。特許文献2に記載の技術にあっては、金属材は2層以上にされない。
したがって、以上の従来技術にあっては、繊維強化樹脂複合材及び金属材をそれぞれ2層以上にして交互に重ねた構造によって、平面や任意の曲面をもった形状を構成することは困難であり、要求される総厚内において各層の層厚をより薄く、より多層化するには自ずと限界が生じる。
そして、本発明者らは、接合強度を高めるべく、各要素103を熱硬化して金属材101と繊維強化樹脂複合材102とを接着した後、隣接する金属材101同士を溶接して、接合面毎に溶接部104を形成する技術をも検討している。
繊維強化樹脂複合材と金属材との端部同士がステップ状接合面を介して接合された繊維強化樹脂と金属との接合構造であって、
前記ステップ状接合面を構成する端部が当該端部の端面方向に向かって段階的に薄くなるステップ状構造に形成された金属材と、前記ステップ状構造上を端部でフラットに埋めるように積層された繊維強化樹脂複合材とからなる要素を一枚として、前記ステップ状構造が厚み方向に重なるように複数枚積層され、
前記金属材と繊維強化樹脂複合材とが接着されるとともに、隣接する前記要素同士が重ね合わせ面で接合され、
前記金属材の外端部には、隣接する前記金属材の合わせ面を溶接して接合された主溶接部が形成されていて、
前記積層された複数の前記要素の全ての前記金属材における前記主溶接部よりも前記繊維強化樹脂複合材側には、前記全ての前記金属材を前記厚み方向で溶接した副溶接部が形成されていることを特徴としている。
繊維強化樹脂複合材と金属材との端部同士をステップ状接合面を介して接合する繊維強化樹脂と金属との接合方法であって、
前記ステップ状接合面を構成する金属材の端部を当該端部の端面方向に向かって段階的に薄くなるステップ状構造に形成し、
前記ステップ状構造上を端部でフラットに埋めるように繊維強化樹脂複合材を積層し、
一の前記金属材とそのステップ状構造上を埋めるように積層された前記繊維強化樹脂複合材とからなる要素を一枚として、前記ステップ状構造が厚み方向に重なるように複数枚積層した状態にて、
前記積層された複数の前記要素の前記金属材側の外端部から所定の間隔を空けて、前記複数の前記要素の全ての前記金属材を前記厚み方向で溶接して副溶接部を形成し、
前記繊維強化樹脂複合材を熱硬化させることによって、前記金属材と繊維強化樹脂複合材とを接着するとともに、隣接する前記要素同士を重ね合わせ面で接合してから、
隣接する前記金属材の合わせ面を溶接して接合する主溶接部を、隣接する前記金属材の外端部に形成することを特徴としている。
一枚の要素10は、金属材(金属箔)11と、繊維強化樹脂複合材12〜15とからなる。金属材11と、繊維強化樹脂複合材12〜15とがステップ状接合面を介して接着され、各要素10,10間がその重ね合わせ面で接合されたものである。
そして、図1に示すように、接合構造1における金属材11の外端部には、隣接する金属材11の合わせ面を溶接して接合された主溶接部16が形成されている。また、積層された複数の要素10の全ての金属材11における主溶接部16よりも繊維強化樹脂複合材12〜15側には、全ての金属材11を厚み方向で溶接した副溶接部17が形成されている。
まず、図2に示すように金属材11の端部11aを、その端面方向に向かって段階的に薄くなるステップ状構造に形成する。
次に、金属材11のステップ状構造の端部11aに、繊維にマトリックス樹脂を含浸させたプリプレグの状態の繊維強化樹脂複合材12〜15を順次積層していく。
繊維強化樹脂複合材12〜15は、端部11aの各段に対応する部分で便宜的に分けたものである。繊維強化樹脂複合材12〜15は、それぞれ一枚又は複数枚のプリプレグによって構成される。
積層するにはまず、繊維強化樹脂複合材12を、端部11aの端面につき合わせる。繊維強化樹脂複合材13の端を、繊維強化樹脂複合材12の端より金属材11の最厚部11b側にずれた位置に配置し、繊維強化樹脂複合材13の端部で1段面11c上をフラットに埋めるように積層する。同様に、繊維強化樹脂複合材14の端を、繊維強化樹脂複合材
13の端より金属材11の最厚部11b側にずれた位置に配置し、繊維強化樹脂複合材14の端部で2段面11d上をフラットに埋めるように積層する。同様に、繊維強化樹脂複合材15の端を、繊維強化樹脂複合材14の端より金属材11の最厚部11b側にずれた位置に配置し、繊維強化樹脂複合材15の端部で3段面11e上をフラットに埋めるように積層する。なお、繊維強化樹脂複合材12〜15に接触する金属材11のステップ状構造の表面にペースト接着剤を塗布もしくはフィルム接着剤を積層してから、繊維強化樹脂複合材12〜15を積層するようにしても良い。
図3にステップ状接合面の形成長さLが示される。
要素10を積層する際に、要素10の表裏を適宜変えてもよいが、図3に示すようにステップ状構造の形成領域において金属材11,11を、全体の表裏、すなわち両外面に配置することが好ましい。金属面を外面とした方が外部からの衝撃に対して強いからである。
また、各要素10,10,10・・・のステップ状構造の両端位置が一致して配置されていることが好ましい。ステップ状接合面の形成長さLを短くするためである。
なお、溶接熱源の照射方向は、接合構造1の厚みに応じて、一面側からのみの照射、表面側及び裏面側の二面側からの照射を適宜選択する。
これによって、金属材11と繊維強化樹脂複合材12〜15とが接着するとともに、すべての繊維強化樹脂複合材12〜15が一体化する。また、熱硬化時に繊維強化樹脂複合材12〜15から流れ出し、金属材11,11の層間に侵入した樹脂は、副溶接部17により外端部側への移動が遮断される。
また、複数の要素10からなる板材が平板である場合、熱硬化前或いは熱硬化時に各要素10が位置ズレをしてしまう可能性は小さいが、湾曲した形状であると熱硬化前或いは熱硬化時に位置ズレを生じる可能性が高まってしまう。本実施形態のように副溶接部17が熱硬化前に形成されていれば、副溶接部17により複数の要素10を仮止めすることができ、位置ズレを防止することが可能である。
要素10の積層枚数を多くしていくことによって、繊維強化樹脂複合材と金属材との接着面積が拡大し、ステップ状接合面の形成長さLを短くしても、十分な接合強度を確保することができる。図7に示すように、100%金属の端部の寸法L1が上述した溶接等の都合上で一定距離あれば足りる場合は、ステップ状接合面の形成長さLを短くすることで、繊維強化樹脂複合材の容積占有率を高め、軽量化等を追及することができる。
また、繊維強化樹脂複合材と金属材との接着面積が拡大するので、繊維強化樹脂複合材と金属材との間の電気伝導性も向上する。
これに対し、本接合構造1によると、多層化され、接着面が広くされ、外面から浅い位置から深い位置まで外面に平行なステップ面による接着面が分散配置されているため、同荷重条件でも剥離が生じないか、外面の一部の剥離にとどめることができる。そのため、要素10を3層、4層、5層・・・と、その積層数を多くすることが好ましい。
適用する金属材の材質に関しても、Ti合金、Al合金、Mg合金などを挙げることができるが、その種類を問わない。適用する樹脂に関しても、熱硬化樹脂であればその種類を問わない。
10 1枚の要素
11 金属材(金属箔)
12 繊維強化樹脂複合材
13 繊維強化樹脂複合材
14 繊維強化樹脂複合材
15 繊維強化樹脂複合材
16 主溶接部
17 副溶接部
21 金属部品
23 溶着部
Claims (2)
- 繊維強化樹脂複合材と金属材との端部同士がステップ状接合面を介して接合された繊維強化樹脂と金属との接合構造であって、
前記ステップ状接合面を構成する端部が当該端部の端面方向に向かって段階的に薄くなるステップ状構造に形成された金属材と、前記ステップ状構造上を端部でフラットに埋めるように積層された繊維強化樹脂複合材とからなる要素を一枚として、前記ステップ状構造が厚み方向に重なるように複数枚積層され、
前記金属材と繊維強化樹脂複合材とが接着されるとともに、隣接する前記要素同士が重ね合わせ面で接合され、
前記金属材の外端部には、隣接する前記金属材の合わせ面を溶接して接合された主溶接部が形成されていて、
前記積層された複数の前記要素の全ての前記金属材における前記主溶接部よりも前記繊維強化樹脂複合材側には、前記全ての前記金属材を前記厚み方向で溶接した副溶接部が形成されていることを特徴とする繊維強化樹脂と金属との接合構造。 - 繊維強化樹脂複合材と金属材との端部同士をステップ状接合面を介して接合する繊維強化樹脂と金属との接合方法であって、
前記ステップ状接合面を構成する金属材の端部を当該端部の端面方向に向かって段階的に薄くなるステップ状構造に形成し、
前記ステップ状構造上を端部でフラットに埋めるように繊維強化樹脂複合材を積層し、
一の前記金属材とそのステップ状構造上を埋めるように積層された前記繊維強化樹脂複合材とからなる要素を一枚として、前記ステップ状構造が厚み方向に重なるように複数枚積層した状態にて、
前記積層された複数の前記要素の前記金属材側の外端部から所定の間隔を空けて、前記複数の前記要素の全ての前記金属材を前記厚み方向で溶接して副溶接部を形成し、
前記繊維強化樹脂複合材を熱硬化させることによって、前記金属材と繊維強化樹脂複合材とを接着するとともに、隣接する前記要素同士を重ね合わせ面で接合してから、
隣接する前記金属材の合わせ面を溶接して接合する主溶接部を、隣接する前記金属材の外端部に形成することを特徴とする繊維強化樹脂と金属との接合方法。
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JP2012048693A JP5466254B2 (ja) | 2012-03-06 | 2012-03-06 | 繊維強化樹脂と金属との接合構造及び繊維強化樹脂と金属との接合方法 |
US13/769,118 US8808822B2 (en) | 2012-03-06 | 2013-02-15 | Joint structure for fiber reinforced resin and metal, and joining method for fiber reinforced resin and metal |
CN201310067453.1A CN103381658B (zh) | 2012-03-06 | 2013-03-04 | 纤维强化树脂与金属的接合构造及接合方法 |
EP13157559.9A EP2636509B1 (en) | 2012-03-06 | 2013-03-04 | Joint structure for fiber reinforced resin and metal, and joining method for fiber reinforced resin and metal |
ES13157559T ES2726123T3 (es) | 2012-03-06 | 2013-03-04 | Estructura de unión para resina reforzada con fibra y metal, y método de unión para resina reforzada con fibra y metal |
KR1020130023166A KR101790817B1 (ko) | 2012-03-06 | 2013-03-05 | 섬유 강화 수지와 금속의 접합 구조 및 섬유 강화 수지와 금속의 접합 방법 |
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WO2019176544A1 (ja) * | 2018-03-13 | 2019-09-19 | 日本碍子株式会社 | ウエハー保持台 |
CN109435252B (zh) * | 2018-08-23 | 2023-03-28 | 广州倬粤动力新能源有限公司 | 一种纤维板的焊接方法 |
CN113857603A (zh) * | 2021-09-29 | 2021-12-31 | 江苏科技大学 | 一种用于辅助陶瓷基复合材料与金属的钎焊的方法 |
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JPS5871119A (ja) | 1981-10-23 | 1983-04-27 | Mitsubishi Heavy Ind Ltd | チユ−ブ状複合材料の継手の製作方法 |
JPS63178126A (ja) | 1987-01-20 | 1988-07-22 | Hitachi Chem Co Ltd | 電子部品封止用エポキシ樹脂成形材料 |
JPS63178126U (ja) | 1987-04-01 | 1988-11-17 | ||
JPS63247025A (ja) * | 1987-04-02 | 1988-10-13 | Sumitomo Electric Ind Ltd | 金属円筒と繊維強化プラスチツク円筒の継手構造 |
JPS63275687A (ja) * | 1987-05-07 | 1988-11-14 | Mitsubishi Heavy Ind Ltd | 繊維強化プラスチツクと金属材料の接着法 |
JP2001032819A (ja) | 1998-06-26 | 2001-02-06 | Ntn Corp | 動力伝達シャフト及びプロペラシャフト |
NL1024076C2 (nl) * | 2003-08-08 | 2005-02-10 | Stork Fokker Aesp Bv | Werkwijze voor het vormen van een laminaat met een uitsparing. |
US7959058B1 (en) * | 2005-01-13 | 2011-06-14 | The United States Of America As Represented By The Secretary Of The Navy | Hybrid composite welded joint |
DE102007063608B4 (de) * | 2007-05-23 | 2011-04-21 | Airbus Operations Gmbh | Verbund und Rumpfzellenabschnitt mit einem derartigen Verbund |
JP5172983B2 (ja) * | 2011-02-25 | 2013-03-27 | 富士重工業株式会社 | 繊維強化樹脂と金属との接合構造、及び繊維強化樹脂と金属との接合方法 |
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CN103381658B (zh) | 2015-11-18 |
KR101790817B1 (ko) | 2017-10-26 |
CN103381658A (zh) | 2013-11-06 |
EP2636509A2 (en) | 2013-09-11 |
EP2636509B1 (en) | 2019-02-27 |
JP2013184302A (ja) | 2013-09-19 |
US20130236701A1 (en) | 2013-09-12 |
ES2726123T3 (es) | 2019-10-01 |
US8808822B2 (en) | 2014-08-19 |
EP2636509A3 (en) | 2016-11-30 |
KR20130102006A (ko) | 2013-09-16 |
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