JP6987799B2 - 異なる局所的特性を有するセラミックマトリックス複合材物品およびそれを形成するための方法 - Google Patents
異なる局所的特性を有するセラミックマトリックス複合材物品およびそれを形成するための方法 Download PDFInfo
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Description
本開示は、米国空軍の契約番号FA8650−04−G−2466−003に基づく政府の支援によって行われた。政府は、本開示に一定の権利を有する。
112 翼形部部分
120 根元部分
122 先端部分
124 前縁
125 後縁
200 CMC物品
210 第1の複数のプライ
220 一対のプライ
300 CMC物品
310 第1の複数のプライ
320 局所的な複数の第2プライ
400 CMC物品
410 第1の複数のプライ
415 第1の複数のプライ
420 局所的な少なくとも1つの第2のプライ
500 CMC物品
510 第1の複数のプライ
520 局所的な第2のプライ
530 開口部
600 CMC物品
610 第1の複数のプライ
620 局所的な第2のプライ
630 開口部
700 CMC物品
710 第1の複数のプライ
720 局所的な第2のプライ
730 開口部
800 方法
900 方法
1000 レイアップ
1010 第1の複数のプリプレグ層またはプライ
1020 第2のプリプレグ層またはプライ
1100 CMC物品
Claims (33)
- セラミックマトリックス複合材物品(100,200,300,400,500,600,700,1100)を形成する際に使用する方法(800,900)であって、
第1の範囲を画定するセラミック繊維を含む第1の複数のプライ(210,310,410,415,510,610,710)をレイアップするステップと、
前記第1の複数のプライ(210,310,410,415,510,610,710)の前記レイアップ(1000)の上および/または中に、前記第1の範囲よりも小さい第2の範囲を画定する少なくとも1つの第2のプライ(320,420,520,620,720)をレイアップするステップと
を含み、
前記第1の複数のプライ(210,310,410,415,510,610,710)は第1の特性を含み、前記少なくとも1つの第2のプライ(320,420,520,620,720)は少なくとも1つの第2の特性を含み、前記第1の特性は前記少なくとも1つの第2の特性とは異なり、
前記セラミックマトリックス複合材物品(100,200,300,400,500,600,700,1100)は、前記第2の範囲を貫通して延在する開口部(530,630,730)を含む、方法(800,900)。 - 前記少なくとも1つの第2のプライ(320,420,520,620,720)をレイアップする前記ステップは、セラミック繊維を含む前記少なくとも1つの第2のプライ(320,420,520,620,720)をレイアップするステップを含む、請求項1に記載の方法(800,900)。
- 前記少なくとも1つの第2のプライ(320,420,520,620,720)をレイアップする前記ステップは、複数の第2のプライ(320,420,520,620,720)をレイアップするステップを含み、前記複数の第2のプライ(320,420,520,620,720)は、前記第1の特性とは異なる複数の第2の特性を含む、請求項1に記載の方法(800,900)。
- 前記第1の特性は第1の繊維体積分率を含み、前記少なくとも1つの第2の特性は少なくとも1つの第2の繊維体積分率を含み、前記第1の繊維体積分率は前記少なくとも1つの第2の繊維体積分率とは異なる、請求項1に記載の方法(800,900)。
- 前記第1の繊維体積分率は15%〜30%であり、少なくとも1つの前記第2の繊維体積分率は30%〜40%である、請求項4に記載の方法(800,900)。
- 前記第1の特性は、第1の機械的特性、第1の熱的特性、または第1の電気的特性を含み、前記少なくとも1つの第2の特性は、少なくとも1つの第2の機械的特性、少なくとも1つの第2の熱的特性、または少なくとも1つの第2の電気的特性を含み、前記第1の機械的特性、前記第1の熱的特性、または前記第1の電気的特性は、前記少なくとも1つの第2の機械的特性、前記少なくとも1つの第2の熱的特性、または前記少なくとも1つの第2の電気的特性とは異なる、請求項1に記載の方法(800,900)。
- 前記少なくとも1つの第2のプライ(320,420,520,620,720)は、少なくとも1つの円形の第2のプライ(320,420,520,620,720)、少なくとも1つの正方形の第2のプライ(320,420,520,620,720)、または少なくとも1つの長方形の第2のプライ(320,420,520,620,720)を含む、請求項1に記載の方法(800,900)。
- 前記第2の範囲は、前記セラミックマトリックス複合材物品(100,200,300,400,500,600,700,1100)の開口部(530,630,730)、屈曲部、または折り返し部を含む、請求項1に記載の方法(800,900)。
- 前記第1の複数のプライ(210,310,410,415,510,610,710)をレイアップする前記ステップは、第1の複数のプリプレグプライ(1010)をレイアップするステップを含み、前記少なくとも1つの第2のプライ(320,420,520,620,720)をレイアップする前記ステップは、少なくとも1つの第2のプリプレグプライ(1020)をレイアップするステップを含む、請求項1に記載の方法(800,900)。
- 前記第1の複数のプリプレグプライ(1010)は第1のプリプレグ材料を含み、前記少なくとも1つの第2のプライ(320,420,520,620,720)は第2のプリプレグ材料を含み、前記第1のプリプレグ材料は前記第2のプリプレグ材料とは異なる特性を有する、請求項9に記載の方法(800,900)。
- 前記少なくとも1つの第2のプライ(320,420,520,620,720)をレイアップする前記ステップは、前記第1の複数のプライ(210,310,410,415,510,610,710)の前記レイアップ(1000)の間にある、請求項1に記載の方法(800,900)。
- 前記少なくとも1つの第2のプライ(320,420,520,620,720)をレイアップする前記ステップは、前記第1の複数のプライ(210,310,410,415,510,610,710)の前記レイアップ(1000)の外面に少なくとも1つの第2のプライ(320,420,520,620,720)をレイアップするステップを含む、請求項1に記載の方法(800,900)。
- 前記少なくとも1つの第2のプライ(320,420,520,620,720)をレイアップする前記ステップは、複数の第2のプライ(320,420,520,620,720)をレイアップするステップを含み、前記複数の第2のプライ(320,420,520,620,720)をレイアップする前記ステップは、前記第1の複数のプライ(210,310,410,415,510,610,710)の前記レイアップ(1000)内に分散している、請求項1に記載の方法(800,900)。
- 前記第1の複数のプライ(210,310,410,415,510,610,710)は第1の複数のプリプレグプライ(1010)を含み、前記少なくとも1つの第2のプライ(320,420,520,620,720)は少なくとも1つの第2のプリプレグプライ(1020)を含み、多孔質マトリックスを有するプリフォームを提供するために、前記第1の複数のプリプレグプライ(1010)および前記少なくとも1つの第2のプリプレグプライ(1020)の前記レイアップ(1000)を硬化/熱分解するステップをさらに含む、請求項1に記載の方法(800,900)。
- 前記セラミックマトリックス複合材物品(100,200,300,400,500,600,700,1100)を形成するために、前記プリフォームの前記多孔質マトリックスを緻密化するステップをさらに含む、請求項14に記載の方法(800,900)。
- 前記緻密化するステップは、化学気相浸透、溶融浸透、ポリマー含浸および熱分解、またはこれらのうちの1つもしくは複数を含む任意の組み合わせによって前記多孔質マトリックスを緻密化するステップを含む、請求項15に記載の方法(800,900)。
- 前記セラミックマトリックス複合材物品(100,200,300,400,500,600,700,1100)内に少なくとも1つの開口部(530,630,730)を機械加工するステップをさらに含み、前記機械加工された少なくとも1つの開口部(530,630,730)は、前記少なくとも1つの第2のプライ(320,420,520,620,720)を貫通して延在する、請求項15に記載の方法(800,900)。
- セラミックマトリックス複合材物品(100,200,300,400,500,600,700,1100)であって、
第1の範囲を画定するセラミックマトリックス中のセラミック繊維の第1の複数のプライ(210,310,410,415,510,610,710)と、
前記第1の複数のプライ(210,310,410,415,510,610,710)の上および/または中に、前記第1の範囲よりも小さい第2の範囲を画定するセラミックマトリックス内の少なくとも1つの第2のプライ(320,420,520,620,720)と
を含み、
前記第1の複数のプライ(210,310,410,415,510,610,710)は第1の特性を含み、前記少なくとも1つの第2のプライ(320,420,520,620,720)は少なくとも1つの第2の特性を含み、前記第1の特性は前記少なくとも1つの第2の特性とは異なり、
前記セラミックマトリックス複合材物品(100,200,300,400,500,600,700,1100)は、前記第2の範囲を貫通して延在する開口部(530,630,730)を含む、セラミックマトリックス複合材物品(100,200,300,400,500,600,700,1100)。 - 前記少なくとも1つの第2のプライ(320,420,520,620,720)は、セラミック繊維を含む少なくとも1つの第2のプライ(320,420,520,620,720)を含む、請求項18に記載のセラミックマトリックス複合材物品(100,200,300,400,500,600,700,1100)。
- 前記少なくとも1つの第2のプライ(320,420,520,620,720)は複数の第2のプライ(320,420,520,620,720)を含み、前記複数の第2のプライ(320,420,520,620,720)は前記第1の特性とは異なる複数の第2の特性を含む、請求項18に記載のセラミックマトリックス複合材物品(100,200,300,400,500,600,700,1100)。
- 前記第1の複数のプライ(210,310,410,415,510,610,710)の前記セラミックマトリックスおよび前記少なくとも1つの第2のプライ(320,420,520,620,720)の前記セラミックマトリックスは同じである、請求項18に記載のセラミックマトリックス複合材物品(100,200,300,400,500,600,700,1100)。
- 前記第1の複数のプライ(210,310,410,415,510,610,710)の前記セラミックマトリックスは、前記少なくとも1つの第2のプライ(320,420,520,620,720)の前記セラミックマトリックスとは異なる、請求項18に記載のセラミックマトリックス複合材物品(100,200,300,400,500,600,700,1100)。
- 前記第1の特性は第1の繊維体積分率を含み、前記第2の特性は少なくとも1つの第2の繊維体積分率を含み、前記第1の繊維体積分率は前記少なくとも1つの第2の繊維体積分率とは異なる、請求項18に記載のセラミックマトリックス複合材物品(100,200,300,400,500,600,700,1100)。
- 前記第1の繊維体積分率は15%〜30%であり、少なくとも1つの前記第2の繊維体積分率は30%〜40%である、請求項23に記載のセラミックマトリックス複合材物品(100,200,300,400,500,600,700,1100)。
- 前記第1の特性は、第1の機械的特性、第1の熱的特性、または第1の電気的特性を含み、前記少なくとも1つの第2の特性は、少なくとも1つの第2の機械的特性、少なくとも1つの第2の熱的特性、または少なくとも1つの第2の電気的特性を含み、前記第1の機械的特性、前記第1の熱的特性、または前記第1の電気的特性は、前記少なくとも1つの第2の機械的特性、前記少なくとも1つの第2の熱的特性、または前記少なくとも1つの第2の電気的特性とは異なる、請求項18に記載のセラミックマトリックス複合材物品(100,200,300,400,500,600,700,1100)。
- 前記少なくとも1つの第2のプライ(320,420,520,620,720)は、少なくとも1つの円形の第2のプライ(320,420,520,620,720)、少なくとも1つの正方形の第2のプライ(320,420,520,620,720)、または少なくとも1つの長方形の第2のプライ(320,420,520,620,720)を含む、請求項18に記載のセラミックマトリックス複合材物品(100,200,300,400,500,600,700,1100)。
- 前記第2の範囲を含む前記セラミックマトリックス複合材物品(100,200,300,400,500,600,700,1100)は、前記セラミックマトリックス複合材物品(100,200,300,400,500,600,700,1100)の屈曲部、または折り返し部を含む、請求項18に記載のセラミックマトリックス複合材物品(100,200,300,400,500,600,700,1100)。
- 前記少なくとも1つの第2のプライ(320,420,520,620,720)は、前記第1の複数のプライ(210,310,410,415,510,610,710)の間にある、請求項18に記載のセラミックマトリックス複合材物品(100,200,300,400,500,600,700,1100)。
- 前記少なくとも1つの第2のプライ(320,420,520,620,720)は、前記第1の複数のプライ(210,310,410,415,510,610,710)の外面上にある、請求項18に記載のセラミックマトリックス複合材物品(100,200,300,400,500,600,700,1100)。
- 前記少なくとも1つの第2のプライ(320,420,520,620,720)は複数の第2のプライ(320,420,520,620,720)を含み、前記複数の第2のプライ(320,420,520,620,720)は前記第1の複数のプライ(210,310,410,415,510,610,710)内に分散している、請求項18に記載のセラミックマトリックス複合材物品(100,200,300,400,500,600,700,1100)。
- 前記セラミック繊維は炭化ケイ素繊維を含み、前記セラミックマトリックスは炭化ケイ素を含む、請求項19に記載のセラミックマトリックス複合材物品(100,200,300,400,500,600,700,1100)。
- 前記セラミックマトリックス複合材物品(100,200,300,400,500,600,700,1100)はタービン部品を含む、請求項19に記載のセラミックマトリックス複合材物品(100,200,300,400,500,600,700,1100)。
- 前記セラミックマトリックス複合材物品(100,200,300,400,500,600,700,1100)はタービン部品のリペアを含む、請求項19に記載のセラミックマトリックス複合材物品(100,200,300,400,500,600,700,1100)。
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JP2022031308A (ja) | 2022-02-18 |
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US11890836B2 (en) | 2024-02-06 |
CN109415273A (zh) | 2019-03-01 |
CA3029412A1 (en) | 2018-01-04 |
EP3478646A1 (en) | 2019-05-08 |
US20220324206A1 (en) | 2022-10-13 |
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