JP6431860B2 - 化学気相含浸(cvi)を用いて製作される、ミクロ組織を制御したセラミックマトリックス複合材構造体 - Google Patents
化学気相含浸(cvi)を用いて製作される、ミクロ組織を制御したセラミックマトリックス複合材構造体 Download PDFInfo
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- JP6431860B2 JP6431860B2 JP2016031547A JP2016031547A JP6431860B2 JP 6431860 B2 JP6431860 B2 JP 6431860B2 JP 2016031547 A JP2016031547 A JP 2016031547A JP 2016031547 A JP2016031547 A JP 2016031547A JP 6431860 B2 JP6431860 B2 JP 6431860B2
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- JLUFWMXJHAVVNN-UHFFFAOYSA-N methyltrichlorosilane Chemical compound C[Si](Cl)(Cl)Cl JLUFWMXJHAVVNN-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
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- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- FAQYAMRNWDIXMY-UHFFFAOYSA-N trichloroborane Chemical compound ClB(Cl)Cl FAQYAMRNWDIXMY-UHFFFAOYSA-N 0.000 description 1
- ZDHXKXAHOVTTAH-UHFFFAOYSA-N trichlorosilane Chemical compound Cl[SiH](Cl)Cl ZDHXKXAHOVTTAH-UHFFFAOYSA-N 0.000 description 1
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/71—Ceramic products containing macroscopic reinforcing agents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B18/00—Layered products essentially comprising ceramics, e.g. refractory products
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Description
図6及び図7の例示的な実施形態では、プライを有する位置の数は特定の数であるが、実際のタービン構成部品のプライを有する位置の数はその特定の数より少なく、又は多く、例えば任意の整数とすることができる。一実施形態では、プリフォームプライの数は、例えば、1より多く、3より多く、5より多く、10より多く、20より多く、50より多く、100より多くすることができる。本明細書に記載のように、複数のプリフォームプライによって画成されるプリフォームが中実の構造体の場合、中央のプリフォームプライと、中央のプリフォームプライからプリフォームの第1の外側表面を画成するプリフォームプライまで平均細孔サイズが増大していくプリフォームプライの第1の組と、中央のプリフォームプライからプリフォームの第2の外側表面を画成するプリフォームプライまで平均細孔サイズが増大していくプリフォームプライの第2の組とをプリフォームは含むことができる。一実施形態では、プリフォームの各プリフォームプライの細孔サイズは実質的に均一にすることができる。本明細書に記載のように、複数のプリフォームプライによって画成されたプリフォームが中実の構造体の場合、複数のプリフォームプライのうちの、例えば図7の位置1104の中央のプリフォームプライの平均細孔サイズを複数のプリフォームプライのうちで最も小さくして、中央のプリフォームプライの位置からプリフォームの外側表面を画成するプリフォームプライの位置までの連続するプリフォームプライの平均細孔サイズを増大させていくことができる。一実施形態では、プリフォームの各プリフォームプライの細孔サイズは実質的に均一にすることができる。本明細書に記載のように、プリフォームが全体的に中空の構造体であり、プリフォームの複数のプリフォームプライが中空の構造体のプリフォームの側壁を画成する場合、例えば図7の位置1104の中央のプリフォームプライと、中央のプリフォームプライから中空の構造体のプリフォームの外側表面を画成しているプリフォームプライまで平均細孔サイズが増大していくプリフォームプライの第1の組と、中央のプリフォームプライから中空の構造体のプリフォームの内側表面を画成しているプリフォームプライまで平均細孔サイズが縮小していくプリフォームプライの第2の組とをプリフォームは含むことができる。一実施形態では、プリフォームの各プリフォームプライの細孔サイズは実質的に均一にすることができる。本明細書に記載のように、プリフォームが中空の構造体プリフォームであり、プリフォームの複数のプリフォームプライが中空の構造体のプリフォームの側壁を画成する場合、中空の構造体のプリフォームの内側表面を画成することができる、複数のプリフォームプライのうちの、例えば図7に示す位置1107のプライなどの特定のプリフォームプライの平均細孔サイズを、複数のプリフォームプライのうちで最も小さくすることができ、特定のプリフォームプライの位置から中空の構造体のプリフォームの外側表面を画成するプリフォームプライの位置まで連続した位置にある、複数のプリフォームプライのうちのプリフォームプライの平均細孔サイズを増大させていくことができる。一実施形態では、プリフォームの各プリフォームプライの細孔サイズは実質的に均一にすることができる。
Claims (14)
- 複数のプリフォームプライのうちの第1のプリフォームプライと第2のプリフォームプライの平均細孔サイズが異なる、複数のプリフォームプライを集成してプリフォームを画成し、
プリフォームをタービン構成部品の形状に成形し、
プリフォームを化学気相含浸(CVI)に付して緻密化セラミックマトリックス複合材(CMC)構造体を画成すること
を含む方法であって、複数のプリフォームプライのうちの1つ以上の中央のプリフォームプライが、複数のプリフォームプライのうちの1つ以上の外側表面のプリフォームプライよりも小さい平均細孔サイズを有するようにすることを特徴とする、方法。 - 第1のプリフォームプライが第1の平均細孔サイズを有し、第2のプリフォームプライが第2の平均細孔サイズを有し、第2の平均細孔サイズが第1の平均細孔サイズより大きい、請求項1記載の方法。
- 第1のプリフォームプライが第1の細孔サイズを有する中央のプリフォームプライであり、第2のプリフォームプライがプリフォームの外側表面を画成する外側表面のプリフォームプライであり、第2のプリフォームプライが第1の平均細孔サイズより大きい第2の平均細孔サイズを有する、請求項1又は請求項2記載の方法。
- 複数のプリフォームプライが第3のプリフォームプライを含み、第2のプリフォームプライが第1のプリフォームプライの第1の側に配置され、第3のプリフォームプライが第1のプリフォームプライの第2の側に配置され、第2のプリフォームプライ及び第3のプリフォームプライがそれぞれ第1のプリフォームプライの平均細孔サイズより大きな平均細孔サイズを有する、請求項1乃至請求項3のいずれか1項記載の方法。
- 複数のプリフォームプライによって画成されたプリフォームが中実の構造体であり、複数のプリフォームプライが、中央のプリフォームプライと、中央のプリフォームプライからプリフォームの第1の外側表面を画成するプリフォームプライまで平均細孔サイズが増大していくプリフォームプライの第1の組と、中央のプリフォームプライからプリフォームの第2の外側表面を画成するプリフォームプライまで平均細孔サイズが増大していくプリフォームプライの第2の組とを含む、請求項1乃至請求項4のいずれか1項記載の方法。
- プリフォームが中空の構造体のプリフォームであり、プリフォームの複数のプリフォームプライが中空の構造体のプリフォームの側壁を画成し、複数のプリフォームプライが、中央のプリフォームプライと、中央のプリフォームプライから中空の構造体のプリフォームの外側表面を画成するプリフォームプライまで平均細孔サイズが増大していくプリフォームプライの第1の組と、中央のプリフォームプライから中空の構造体のプリフォームの内側表面を画成するプリフォームプライまで平均細孔サイズが縮小していくプリフォームプライの第2の組とを含む、請求項1乃至請求項4のいずれか1項記載の方法。
- プリフォームが中空の構造体のプリフォームであり、プリフォームの複数のプリフォームプライが中空の構造体のプリフォームの側壁を画成し、中空の構造体のプリフォームの内側表面を画成する複数のプリフォームプライのうちの特定のプリフォームプライの平均細孔サイズが複数のプリフォームプライのうちで最も小さく、特定のプリフォームプライの位置から中空の構造体のプリフォームの外側表面を画成するプリフォームプライの位置まで連続した位置にある複数のプリフォームプライのうちのプリフォームプライの平均細孔サイズが増大していく、請求項1乃至請求項4のいずれか1項記載の方法。
- 当該方法が、複数のプリフォームプライのうちの1つ以上のプリフォームプライを製作するためのプロセスを実施することを含む、請求項1乃至請求項7のいずれか1項記載の方法。
- 当該方法が、複数のプリフォームプライのうちの1つ以上のプリフォームプライの平均細孔サイズを制御することを含み、1つ以上のプリフォームプライの平均細孔サイズを制御することが、複数のプリフォームプライのうちの1つ以上のプリフォームプライを製作するための熱分解プロセス中に使用されるフィラーの量を追加又は削減することを含む、請求項1乃至請求項8のいずれか1項記載の方法。
- 当該方法が、複数のプリフォームプライのうちの1つ以上のプリフォームプライの平均細孔サイズを制御することを含み、1つ以上のプリフォームプライの平均細孔サイズを制御することが、複数のプリフォームプライのうちの1つ以上のプリフォームプライの製作中に使用される造孔材の特性を制御することを含む、請求項1乃至請求項8のいずれか1項記載の方法。
- 化学気相含浸(CVI)に付すことによりセラミックマトリックス複合材(CMC)構造体を画成するためのタービン構成部品の形状のプリフォームであって、当該プリフォームが、プリフォームを画成するように集成された複数のプリフォームプライを含んでおり、
複数のプリフォームプライのうちの第1のプリフォームプライと第2のプリフォームプライの平均細孔サイズが異なっており、
複数のプリフォームプライのうちの1つ以上の中央のプリフォームプライが、複数のプリフォームプライのうちの1つ以上の外側表面のプリフォームプライよりも小さい平均細孔サイズを有することを特徴とする、プリフォーム。 - 第2のプリフォームプライの平均細孔サイズが第1のプリフォームプライより大きい、請求項11記載のプリフォーム。
- 第1のプリフォームプライが第1の平均細孔サイズを有する中央のプライであり、第2のプリフォームプライが第2の平均細孔サイズを有し、第2の平均細孔サイズが第1の平均細孔サイズより大きい、請求項11又は請求項12記載のプリフォーム。
- 複数のプリフォームプライが第3のプリフォームプライを含み、第2のプリフォームプライが第1のプリフォームプライの第1の側に配置され、第3のプリフォームプライが第1のプリフォームプライの第2の側に配置され、第2のプリフォームプライ及び第3のプリフォームプライがそれぞれ第1のプリフォームプライの平均細孔サイズより大きな平均細孔サイズを有する、請求項11乃至請求項13のいずれか1項記載のプリフォーム。
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US14/633,422 US11072565B2 (en) | 2015-02-27 | 2015-02-27 | Ceramic matrix composite structures with controlled microstructures fabricated using chemical vapor infiltration (CVI) |
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BR102016004288A2 (pt) | 2016-09-20 |
CN106431444A (zh) | 2017-02-22 |
EP3061740B1 (en) | 2020-09-23 |
JP2016160178A (ja) | 2016-09-05 |
US12054432B2 (en) | 2024-08-06 |
US20210238101A1 (en) | 2021-08-05 |
US20170015595A1 (en) | 2017-01-19 |
US11072565B2 (en) | 2021-07-27 |
CA2921729A1 (en) | 2016-08-27 |
CA2921729C (en) | 2018-03-13 |
CN115626833A (zh) | 2023-01-20 |
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