JP2020019475A - 複合材パネル用のコア構造体、これを含む航空機、及び、関連する方法 - Google Patents
複合材パネル用のコア構造体、これを含む航空機、及び、関連する方法 Download PDFInfo
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Abstract
Description
第1本体面と、その反対側の第2本体面と、前記第1本体面と前記第2本体面との間に延びる複数のコアセルとを構成するコア本体を含み、各コアセルは、
(i)前記コアセルの第1端部と前記コアセルの第2端部との間で、セル軸に平行に延びる少なくとも1つのセル壁を含み、前記第1端部は、前記第1本体面において画定されているとともに、前記第2端部は、前記第2本体面において画定されており、
(ii)前記セル軸に平行に、前記コアセルの前記第1端部と前記第2端部との間の少なくとも一部に延びる管状セル空隙を画定している、コア構造体。
(i)前記コアセルの前記バルク領域内における平均バルク面積値、及び、
(ii)前記コアセルの前記遷移領域内における平均端部面積値、を有しており、
前記平均端部面積値は、前記平均バルク面積値より小さい、付記A1.1〜A1.23のいずれかに記載のコア構造体。
少なくとも1つの積層プライを前記コア本体に機能的に取り付ける、複合材パネルの製造方法。
少なくとも1つの積層プライを前記コア本体に機能的に取り付ける、複合材パネルの製造方法。
(i)前記第1積層プライを、前記コア本体の前記第1本体面及び前記コア本体の前記第2本体面のうちの一方に、接着剤で機能的に取り付けることと、
(ii)前記第2積層プライを、前記コア本体の前記第1本体面及び前記コア本体の前記第2本体面のうちの他方に、接着剤を用いずに機能的に取り付けることと、を含む、付記D9に記載の方法。
(i)前記第1積層プライを硬化することにより、前記第1積層プライを少なくとも実質的に固化することと、
(ii)前記第1積層プライを、前記コア本体に、接着剤で接着することと、
(iii)前記第2積層プライを前記コア本体に機能的に取り付けることと、を含み、
前記第2積層プライを前記コア本体に機能的に取り付けることは、
(i)前記コア本体及び前記第2積層プライを硬化することにより、前記第2積層プライを前記コア本体に固定すること、及び、
(ii)前記第2積層プライを、前記コア本体に、接着剤で接着すること、のうちの少なくとも1つを含む、付記D9〜D11のいずれかに記載の方法。
Claims (13)
- 複合材パネル用のコア構造体であって、前記コア構造体は、
第1本体面と、その反対側の第2本体面と、前記第1本体面と前記第2本体面との間に延びる複数のコアセルとを構成するコア本体を含み、各コアセルは、
(i)前記コアセルの第1端部と前記コアセルの第2端部との間で、セル軸に平行に延びる少なくとも1つのセル壁を含み、前記第1端部は、前記第1本体面において画定されているとともに、前記第2端部は、前記第2本体面において画定されており、
(ii)前記セル軸に平行に、前記コアセルの前記第1端部と前記第2端部との間の少なくとも一部に延びる管状セル空隙を画定しており、
(iii)バルク領域及び遷移領域を含んでおり、前記遷移領域は、前記バルク領域と前記コアセルの前記第1端部との間に延びており、
各セル壁は、前記バルク領域内において、前記セル軸に対して垂直な方向に測定されるバルクセル壁厚みを有し、各セル壁は、前記遷移領域内において、前記セル軸に対して垂直な方向に測定される遷移セル壁厚みを有し、前記遷移セル壁厚みは、前記バルク領域における前記バルクセル壁厚みと、前記セルの前記第1端部における第1端部壁厚みとの間で、前記遷移領域にわたって変化しており、前記第1端部壁厚みは、前記バルクセル壁厚みより大きい、コア構造体。 - 前記少なくとも1つのセル壁は、6個のセル壁を含み、前記コア構造体は、ハニカムコア構造体である、請求項1に記載のコア構造体。
- 前記遷移領域は、前記第1端部と前記バルク領域との間で前記セル軸に平行な方向に測定される遷移領域高さを有し、各コアセルは、前記第1端部と前記第2端部との間で前記セル軸に平行な方向に測定されるセル高さを有し、前記遷移領域高さは、最大で前記セル高さの25%である、請求項1又は2に記載のコア構造体。
- 前記遷移領域は、第1遷移領域であり、前記遷移セル壁厚みは、第1遷移セル壁厚みであり、各コアセルは、
第2遷移領域をさらに含み、第2遷移領域においては各セル壁は、前記セル軸に対して垂直な方向に測定される、前記セル壁厚みと前記コアセルの前記第2端部における前記セル壁の第2端部壁厚みとの間で変化する第2遷移セル壁厚みを有し、前記第2端部壁厚みは、前記バルクセル壁厚みより大きい、請求項1〜3のいずれか1つに記載のコア構造体。 - 前記第1遷移領域は、前記第1端部と前記バルク領域との間で前記セル軸に平行な方向に測定される第1遷移領域高さを有し、前記第2遷移領域は、前記第2端部と前記バルク領域との間で前記セル軸に平行な方向に測定される第2遷移領域高さを有し、前記第1遷移領域高さと前記第2遷移領域高さとは、少なくとも概ねは等しい、請求項4に記載のコア構造体。
- 前記複数のコアセルにおける各コアセルは、前記セル軸に対して垂直な方向に測定される、前記バルク領域内で前記少なくとも1つのセル壁に内接する円の最大径に等しいバルクセル直径を有し、前記第1端部壁厚みは、前記バルクセル直径の少なくとも20%である、請求項1〜5のいずれか1つに記載のコア構造体。
- 前記コア本体は、第1本体領域及び第2本体領域を含み、前記複数のコアセルは、前記第1本体領域に位置する第1コアセル、及び、前記第2本体領域に位置する第2コアセルを含み、前記第1コアセルの前記第1端部壁厚みは、前記第2コアセルの前記第1端部壁厚みより大きい、請求項1〜6のいずれか1つに記載のコア構造体。
- 前記第1本体領域は、前記第2本体領域に対して相対的に、前記コア本体の本体縁部に近接している、請求項7に記載のコア構造体。
- 前記遷移領域は、前記セル軸に対して垂直で且つ前記セル壁が延びる方向に平行な方向視において、三角形、矩形、円形、湾曲、凹状、凸状、すみ肉付き、及び、面取りのうちの少なくとも1つの輪郭を有する、請求項1〜8のいずれか1つに記載のコア構造体。
- 付加製造プロセスによって、請求項1に記載の前記コア本体を形成する工程、及び、
少なくとも1つの積層プライを前記コア本体に機能的に取り付ける工程を含む、複合材パネルの製造方法。 - 前記少なくとも1つの積層プライを前記コア本体に機能的に取り付ける工程は、前記少なくとも1つの積層プライを前記コア本体に接着剤で接着することを含む、請求項10に記載の方法。
- 前記少なくとも1つの積層プライを前記コア本体に機能的に取り付ける工程は、前記コア本体及び前記少なくとも1つの積層プライを硬化することにより、前記少なくとも1つの積層プライを前記コア本体に固定することを含む、請求項10に記載の方法。
- 前記少なくとも1つの積層プライは、第1積層プライ及び第2積層プライを含み、前記少なくとも1つの積層プライを前記コア本体に機能的に取り付ける工程は、
(i)前記第1積層プライを、前記コア本体の前記第1本体面及び前記コア本体の前記第2本体面のうちの一方に、接着剤で機能的に取り付けることと、
(ii)前記第2積層プライを、前記コア本体の前記第1本体面及び前記コア本体の前記第2本体面のうちの他方に、接着剤を用いずに機能的に取り付けることと、を含む、請求項10に記載の方法。
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DE20303793U1 (de) * | 2003-03-07 | 2004-07-15 | R+S Technik Gmbh | Hohlkammerelement für Kraftfahrzeuge |
US10369772B2 (en) * | 2012-07-10 | 2019-08-06 | Textron Innovations Inc. | Method of making core-stiffened structure |
EP2636514B1 (en) * | 2012-03-07 | 2020-04-29 | Airbus Operations GmbH | Sandwich component |
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DE102015105603B4 (de) | 2015-04-13 | 2017-02-09 | Airbus Operations Gmbh | Sandwichpaneel für ein Luftfahrzeug |
WO2016209889A1 (en) * | 2015-06-22 | 2016-12-29 | Sikorsky Aircraft Corporation | Core material for composite structures |
US10392097B2 (en) * | 2017-02-16 | 2019-08-27 | The Boeing Company | Efficient sub-structures |
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US20040048027A1 (en) * | 2002-09-06 | 2004-03-11 | Hayes Michael W. | Honeycomb cores for aerospace applications |
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