JP2012176514A - 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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- JP2012176514A JP2012176514A JP2011039656A JP2011039656A JP2012176514A JP 2012176514 A JP2012176514 A JP 2012176514A JP 2011039656 A JP2011039656 A JP 2011039656A JP 2011039656 A JP2011039656 A JP 2011039656A JP 2012176514 A JP2012176514 A JP 2012176514A
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- fiber reinforced
- reinforced resin
- metal
- joining
- resin composite
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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
- Y10T428/19—Sheets or webs edge spliced or joined
- Y10T428/192—Sheets or webs coplanar
- Y10T428/195—Beveled, stepped, or skived in thickness
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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
- Y10T428/24—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
Abstract
【解決手段】本接合構造は、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11と、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12−15とからなる要素10を一枚として、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、金属材と繊維強化樹脂複合材とが接着されるとともに、隣接する要素10,10同士が重ね合わせ面で接合されてなる。金属材11、11同士は溶接される。
【選択図】図1
Description
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。
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てなる繊維強化樹脂と金属との接合構造である。
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する繊維強化樹脂と金属との接合方法である。
一枚の要素10は、金属箔11と、繊維強化樹脂複合材12〜15とからなる。金属箔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。
まず、図2に示すように金属箔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、金属箔11のステップ状構造の端部11aに、強化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の端より金属箔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の端より金属箔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の端より金属箔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に接触する金属箔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1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1に示すようにステップ状構造の形成領域において金属箔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。
これによって、金属箔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。
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4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 一枚の要素
11 金属箔
11a ステップ状構造の端部
11b 最厚部
11c 1段面
11d 2段面
11e 3段面
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
17 溶着部
18 金属部品
20 溶着部
L ステップ状接合面の形成長さ
L1 100%金属で溶接可能な端部長さ
Claims (8)
- 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てなる繊維強化樹脂と金属との接合構造。 - 前記ステップ状構造の形成領域において両外面に前記金属材が配置されてなる請求項1に記載の繊維強化樹脂と金属との接合構造。
- 隣接する前記金属材同士は、溶接により接合されてなる請求項1又は請求項2に記載の繊維強化樹脂と金属との接合構造。
- 前記ステップ状構造が多段である請求項1から請求項3のうちいずれか一に記載の繊維強化樹脂と金属との接合構造。
- 前記各要素の前記ステップ状構造の両端位置が略一致して配置されてなる請求項1から請求項4のうちいずれか一に記載の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する繊維強化樹脂と金属との接合方法。 - 前記熱硬化の後、隣接する前記金属材同士を溶接する請求項6に記載の繊維強化樹脂と金属との接合方法。
- 前記金属材同士を溶接した後、前記金属材の前記ステップ状構造の逆端で構成された端面に、金属部品を溶接する請求項7に記載の繊維強化樹脂と金属との接合方法。
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- 2012-02-20 KR KR1020120016817A patent/KR101878498B1/ko active IP Right Grant
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2014213539A (ja) * | 2013-04-25 | 2014-11-17 | 本田技研工業株式会社 | 繊維強化樹脂積層体の接合方法及び接合装置並びに繊維強化樹脂材 |
JP2017513742A (ja) * | 2014-04-25 | 2017-06-01 | フォッカー エアロストラクチャーズ ビー.ブイ. | 積層体からなるパネルおよびその製造方法 |
JP2019025847A (ja) * | 2017-08-02 | 2019-02-21 | 株式会社栗本鐵工所 | 積層構造体及び成形体 |
JP2019194002A (ja) * | 2018-03-12 | 2019-11-07 | ザ・ボーイング・カンパニーTheBoeing Company | 複合構造体のスプライス及びその方法 |
JP7312565B2 (ja) | 2018-03-12 | 2023-07-21 | ザ・ボーイング・カンパニー | 複合構造体のスプライス及びその方法 |
US11845236B2 (en) | 2018-03-12 | 2023-12-19 | The Boeing Company | Composite structure splice and method |
CN113681906A (zh) * | 2021-07-19 | 2021-11-23 | 天津工业大学 | 热塑性纤维增强复合材料超声焊搭接接头及其设计方法 |
CN113681906B (zh) * | 2021-07-19 | 2022-09-23 | 天津工业大学 | 热塑性纤维增强复合材料超声焊搭接接头的设计方法 |
Also Published As
Publication number | Publication date |
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KR101878498B1 (ko) | 2018-07-13 |
EP2492083B1 (en) | 2018-12-19 |
EP2492083A3 (en) | 2016-12-21 |
EP2492083A2 (en) | 2012-08-29 |
JP5172983B2 (ja) | 2013-03-27 |
CN102649316A (zh) | 2012-08-29 |
KR20120098433A (ko) | 2012-09-05 |
US20120219763A1 (en) | 2012-08-30 |
CN102649316B (zh) | 2014-04-30 |
ES2714650T3 (es) | 2019-05-29 |
US8795804B2 (en) | 2014-08-05 |
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