JP5788556B2 - 薄肉プライラミネート - Google Patents
薄肉プライラミネート Download PDFInfo
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- JP5788556B2 JP5788556B2 JP2014085608A JP2014085608A JP5788556B2 JP 5788556 B2 JP5788556 B2 JP 5788556B2 JP 2014085608 A JP2014085608 A JP 2014085608A JP 2014085608 A JP2014085608 A JP 2014085608A JP 5788556 B2 JP5788556 B2 JP 5788556B2
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Description
本出願は2004年9月24日に出願された米国仮出願第60/612,740号、および2005年4月4日に出願された米国仮出願第60/668,341号の利益を主張する。
発明の分野
本発明は一般に繊維複合材料、より具体的には薄肉プライを用いて向上した物理特性を達成する複合材料およびこのような材料の製造方法に関する。
通常の複合薄肉プライ(含浸樹脂を含むかまたは含まない)は、少なくとも0.12mmの厚さがある。複合プライのラミネートは、一方向プライを一緒に重ね、続いていくつかの圧着および硬化プロセスによって形成されている。様々な配向をもつプライは、1を超える方向に機械的特性を与えることが要求される。したがって、最小の2プライ配向としてたとえば基準の0°の角度に配向した一方のプライと90°に配向した他方のプライが必要になる。プライ層の配向は、以下において、たとえば0°の一方のプライと90°の最初のプライ上にラミネートされた他方のプライについて、または+45°の一方を-45°の他方にラミネートしたものについて(ある軸に対する相対的な配向を度で示している)、[0/90]または[+45/−45]のような表記を用いて記述される。加えて、反りを避けるために、ラミネートは対称的に積層する必要がある。したがって、先行技術においては、最小限の[0/90/0]のような3プライまたは[0/90/90/0]のような4プライは、0.36、0.48mmの最小総(ゲージ)厚を有する(その厚さが必要であろうとなかろうと)。これは各々の層が少なくとも0.12mmだからである。[0/90/45/−45]の4プライ配向は普通の実施である。これを対称にする場合、8プライが必要になり、少なくとも0.12mmの通常プライを用いると、最小の総ラミネート厚はおよそ8×0.12mmすなわち約1mmとなる。剥離はしばしば、ラミネートの自由端において、または集中的な支持荷重がかかっている点において、または横方向の衝撃もしくはラミネートの硬化の間に発生する応力を受ける点において生じやすい。その起源にかかわらず、剥離は破損モードであり、それはしばしば多方向ラミネートの能力を有する臨界面内荷重の全潜在能力の現実化を制限してしまう。複合材料がますます一次構造物に利用されるようになるにつれ、ボーイング787およびエアバス350および380航空機のように、複合部品は数百パイルの厚さになることもある。剥離は多くの用途にとって複合材の採用に深刻な脅威となる。
簡潔には、本発明の実施形態は、0.08mm以下の厚さの薄肉プライを用いて構築されたラミネートを含む。代替の実施形態は0.08mm未満の薄肉プライと、少なくとも0.12mmのより厚い通常のプライとの組み合わせを含む。これらの組み合わせは、微小なひび割れや剥離への向上した耐性、より薄いラミネートの最小ゲージ、厚肉プライと薄肉プライのハイブリッド化の機会、接着継手の補強、通常の織布よりも高性能の織り交ぜ製品、配管や容器の向上したオンライン強化、より強いシート成形コンパウンドを形成するチョップされた繊維を与える。多プライサブラミネート(以降で「サブラミネートモジュール」と称する)は、複合ラミネートの基本構築ブロックとして形成され、高い剥離耐性を有する一方でアセンブリコストを減らすことができる。オートメーションまたはオートメーションによらずとも、薄肉プライサブラミネートとラミネートからなる製品は、コスト面で通常の厚肉プライラミネートからなる製品に対抗できる。
本発明による複合材料10の断面を図1に示す。複合材料10は、点で示され、第1の方向に配向された第1のプライ12を含む、複数の層(プライ)を有する。第1のプライ12は、第1の方向と異なる第2の方向に配向された第2のプライ14により隔てられている。第2のプライ14は、プライ12と区別する目的で、図1では何も印をつけずに表示されている。本発明によれば、プライ12、14は厚さ「t」が0.08mm未満、好ましくは厚さ0.02〜0.06mmである。図2は、通常/先行技術のラミネートは、16、18のような本発明のものよりも厚い、各々の厚さ「T」が通常0.12mm以上の交互のプライで構築されている、ということを簡単に示すために用いる。
Claims (8)
- (a)炭素繊維プライからなる複数の結合されたサブラミネートモジュールであって、少なくとも一つのサブラミネートモジュールが、少なくとも炭素薄肉プライの第1層と炭素薄肉プライの隣接する第2層とを含み、前記炭素薄肉プライは0.02mm〜0.06mmの厚さを有するサブラミネートモジュールであって、前記第1層の炭素薄肉プライは第1の方向に配向し、前記第2層の炭素薄肉プライは第1の方向に対してある角度で第2の方向に配向し、前記サブラミネートモジュールは少なくとも0.12mmの厚さを持つ通常のプライと0.02〜0.06mmの厚さを持つ薄肉プライとの組み合わせを含むサブラミネートモジュール;および
(b) 0.02〜0.06mmの厚さを有する炭素繊維薄肉プライと接着剤を含む強化結合材料により形成される接着継手で、前記の複数の結合されたサブラミネートモジュールを複合材および/または金属部品(component)に結合する接着継手、
を含む複合材料。 - サブラミネートモジュール中において炭素薄肉プライを織り交ぜるか、または編み込む、請求項1記載の複合材料。
- 複合材料を部分的に樹脂トランスファー成形を用いて形成する、請求項1記載の複合材料。
- 炭素薄肉プライを接着剤で含浸して、ハニカムまたはサンドイッチ構造を有する複合部品のための強化結合材料を与える、請求項1記載の複合材料。
- 請求項1記載の複合材料と、金属シートとを含む、繊維−金属複合材料。
- 金属シートを表面層としてのみ敷設した、請求項5記載の複合材料。
- 金属シートを同一の繊維方向を有する薄肉プライの間に敷設した、請求項5記載の複合材料。
- 金属をチタンおよび銅からなる群より選択した、請求項5記載の複合材料。
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US60/668,341 | 2005-04-04 |
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JP (3) | JP2008514458A (ja) |
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- 2005-09-23 EP EP05810521A patent/EP1793989B1/en not_active Not-in-force
- 2005-09-23 TW TW094132998A patent/TWI401160B/zh not_active IP Right Cessation
- 2005-09-23 AU AU2005289392A patent/AU2005289392B2/en not_active Ceased
- 2005-09-23 AT AT05810521T patent/ATE553917T1/de active
- 2005-09-23 BR BRPI0516061-8A patent/BRPI0516061A/pt not_active IP Right Cessation
- 2005-09-23 CN CN201110428403.2A patent/CN102514284B/zh not_active Expired - Fee Related
- 2005-09-23 JP JP2007533776A patent/JP2008514458A/ja not_active Withdrawn
- 2005-09-23 SG SG200906236-5A patent/SG155936A1/en unknown
- 2005-09-23 WO PCT/US2005/034961 patent/WO2006037083A2/en active Application Filing
- 2005-09-23 US US11/233,716 patent/US20060093802A1/en not_active Abandoned
- 2005-09-23 CA CA2581042A patent/CA2581042C/en not_active Expired - Fee Related
-
2012
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2018154846A1 (ja) | 2017-02-22 | 2018-08-30 | 三菱重工業株式会社 | 複合材料及び複合材料の製造方法 |
EP4112992A1 (en) * | 2021-06-30 | 2023-01-04 | Airbus Operations GmbH | Tank for storing fluid media under cryogenic conditions on bord of a vehicle |
Also Published As
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EP1793989A2 (en) | 2007-06-13 |
EP1793989B1 (en) | 2012-04-18 |
RU2420407C2 (ru) | 2011-06-10 |
WO2006037083A3 (en) | 2006-12-21 |
ATE553917T1 (de) | 2012-05-15 |
TW200624260A (en) | 2006-07-16 |
KR20070083765A (ko) | 2007-08-24 |
KR101229035B1 (ko) | 2013-02-01 |
AU2005289392A1 (en) | 2006-04-06 |
US20060093802A1 (en) | 2006-05-04 |
BRPI0516061A (pt) | 2008-08-19 |
EP1793989A4 (en) | 2010-08-11 |
CA2581042C (en) | 2013-11-19 |
WO2006037083A2 (en) | 2006-04-06 |
CN102514284B (zh) | 2015-08-19 |
CA2581042A1 (en) | 2006-04-06 |
JP2008514458A (ja) | 2008-05-08 |
TWI401160B (zh) | 2013-07-11 |
SG155936A1 (en) | 2009-10-29 |
RU2007115401A (ru) | 2008-10-27 |
JP2014177125A (ja) | 2014-09-25 |
JP2012196967A (ja) | 2012-10-18 |
CN102514284A (zh) | 2012-06-27 |
AU2005289392B2 (en) | 2011-08-25 |
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