JP5117862B2 - セラミックマトリックス複合部材の製造方法 - Google Patents
セラミックマトリックス複合部材の製造方法 Download PDFInfo
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- 238000000576 coating method Methods 0.000 claims description 38
- 239000000919 ceramic Substances 0.000 claims description 32
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- 229910052799 carbon Inorganic materials 0.000 claims description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 10
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 9
- 229910010293 ceramic material Inorganic materials 0.000 claims description 9
- 239000002131 composite material Substances 0.000 claims description 9
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- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 29
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
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- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
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- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
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Description
・CVI法を用いツールに保持された繊維プリフォームのSiC繊維上にカーボン中間相を形成すること、
・次いで、CVI法を用いツールにサポートされた状態で繊維プリフォーム内にSiCの第一の強化マトリックス相を形成すること、
・リキッドプロセス(ポリマー浸透及び熱分解)を用い高密度化の仕上げにSiCマトリックス相を形成すること、を含む。
本発明の目的は、上記欠点を改善し、このためにセラミックマトリックスにより高密度化された繊維強化材を含む複合部材を製造する方法を提供することにある。当該方法は、
・化学蒸気浸透を用い、繊維強化材を構成する繊維上に、複合材料の脆化を緩和するために繊維に接触する内側層と、セラミックマトリックスと結合する外側層を少なくとも具備する中間相被膜を形成すること、
・複合部材の繊維強化材を構成する繊維プリフォームを成形し、該繊維プリフォームが、中間相被膜を有する繊維においてその形状を維持し続けること
・プリフォームを、強化されたプリフォームがサポートツールの補助なしにそのままでその形状を保つことが可能となるように、繊維同士を結合するセラミックマトリックスの強化相を用い部分高密度化によりその形状を維持しながら強化すること(ここで強化は、繊維プリフォームを、セラミックマトリックス強化相材料の前駆体を含む液体組成物に含浸させ、前駆体をセラミック中に移送させることにより行われる。)、
・セラミックマトリックス相を補充することにより強化されるプリフォームの高密度化を続けること、を含む。
繊維上に形成される中間相被膜の厚さは、好ましくは100ナノメートル(nm)未満である。したがって、優れた変形性を維持することが可能となる。
中間相被膜の外側層は、マトリックス強化相と同じセラミック材料から製造されることが好ましい。
繊維プリフォームには、マトリックス強化相のセラミック材料の前駆体である樹脂を含む液体組成物が含浸され得る。
・中間相被膜の厚さが100nm未満であり、該中間相被膜が、複合材料における脆化を緩和するための、繊維に接触した内側層と、セラミックマトリックスと結合させるための外側層を少なくとも具備すること、
・前記セラミックマトリックスが、内側マトリックス相のセラミック材料の前駆体をセラミック化した生産物としての、前記中間相被膜と接触した内側マトリックス相と、化学蒸気浸透により得られる堆積物としての少なくとも1層の外側マトリックス相を具備すること、を特徴とする。
繊維強化材の繊維は、カーボン及びセラミックスから選択される材料から製造され得る。
図1に示す本方法の最初の工程10は、成形され、製造されるべきCMC部材用の繊維強化材を構成する繊維テクスチャーを選択することからなる。
・繊維表面に形成され、製造されるCMC材料を脆弱でなくする脆化低減材料、すなわち、CMC材料のマトリックスと繊維との間に強すぎない結合が形成されることを可能とし、マトリックスに広がる亀裂のエネルギーが脆化低減層に消散され繊維に広がらない材料から製造される内側層、及び
・内側層上に、接触するCMC材料のセラミックマトリックスの外側相との良好な接着を提供するセラミック材料から製造される外側層、を具備する。
繊維テクスチャーとして、日本の供給業者である日本カーボンにより、リファレンス”Hi−Nicalon”において供給されている、SiCから実質的に製造される繊維糸の多層織りファブリック(30)を使用した。該繊維はポリビニルアルコール(PVA)リーマフィラメントにより接合されている。BC/SiC中間相被膜(内側層がBC、外側層がSiC)をCVI法により繊維上に形成した。中間相被膜の厚さは約50nmであり、BC及びSiC層の厚さは実質的に同じであった。図2の顕微鏡写真はSiC繊維上に形成された中間相被膜を示す。
Claims (4)
- セラミックマトリックスにより高密度化される繊維強化材を含む複合部材の製造方法であって、
・織り繊維テクスチャーを提供すること、
・その後、繊維テクスチャーが変形性を維持しながら、化学蒸気浸透を用いて繊維テクスチャーの繊維上に、該繊維に接触し複合材料の脆化を低減する内側層と、外側セラミック層とを少なくとも含む中間相被膜を形成すること、
・中間相被膜を形成した後、該中間相被膜が形成された繊維を用いた繊維テクスチャーを、製造される複合部材の繊維強化材を構成する繊維プリフォームに成形し、繊維プリフォームがその形状を維持すること、
・繊維同士を結合するセラミック強化マトリックス相を用いた部分高密度化により、繊維プリフォームの形状が維持されている間にプリフォームを強化することにより、強化されるプリフォームがサポートツールによる補助なしでそれ自体の形状を保持することを可能とすること(ここで強化は、セラミック強化マトリックス相の材料の前駆体である樹脂を含有する液体組成物で繊維プリフォームを含浸し、前駆体をセラミックスに変換することにより行われ、中間相被膜の外側層はマトリックス強化相と同じセラミック材料から形成される)、
・化学蒸気浸透を用い、セラミックマトリックス相を補充することにより強化プリフォームの高密度化を続けること、
を含む方法。 - 繊維上に形成される中間相被膜の合計厚さが100nm未満であることを特徴とする、請求項1に記載の方法。
- 中間相被膜の内側層が、熱分解カーボン、窒化ホウ素BN、及びホウ素がドープされたカーボンBCから選択される材料から製造されることを特徴とする、請求項1又は2に記載の方法。
- 中間層被膜の外側層のセラミック材料がSiCであることを特徴とする、請求項1乃至3のいずれか1項に記載の方法。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0501826 | 2005-02-23 | ||
| FR0501826A FR2882356B1 (fr) | 2005-02-23 | 2005-02-23 | Procede de fabrication de piece en materiau composite a matrice ceramique et piece ainsi obtenue |
| PCT/FR2006/050157 WO2006090087A1 (fr) | 2005-02-23 | 2006-02-22 | Procede de fabrication de piece en materiau composite a matrice ceramique et piece ainsi obtenue |
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| JP2008531448A JP2008531448A (ja) | 2008-08-14 |
| JP5117862B2 true JP5117862B2 (ja) | 2013-01-16 |
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| US (1) | US8039053B2 (ja) |
| EP (1) | EP1851180B1 (ja) |
| JP (1) | JP5117862B2 (ja) |
| CN (1) | CN100572327C (ja) |
| CA (1) | CA2598223C (ja) |
| FR (1) | FR2882356B1 (ja) |
| MX (1) | MX2007010273A (ja) |
| WO (1) | WO2006090087A1 (ja) |
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| FR3071247B1 (fr) * | 2017-09-21 | 2019-09-20 | Safran Ceramics | Procede de fabrication d'une piece en cmc |
| FR3081475B1 (fr) * | 2018-05-22 | 2020-06-05 | Safran Ceramics | Procede de traitement de fibres en carbure de silicium par depot chimique en phase vapeur |
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Also Published As
| Publication number | Publication date |
|---|---|
| FR2882356B1 (fr) | 2008-08-15 |
| US20080299385A1 (en) | 2008-12-04 |
| EP1851180A1 (fr) | 2007-11-07 |
| CN100572327C (zh) | 2009-12-23 |
| JP2008531448A (ja) | 2008-08-14 |
| FR2882356A1 (fr) | 2006-08-25 |
| WO2006090087B1 (fr) | 2006-11-02 |
| CA2598223A1 (en) | 2006-08-31 |
| US8039053B2 (en) | 2011-10-18 |
| WO2006090087A1 (fr) | 2006-08-31 |
| MX2007010273A (es) | 2007-11-07 |
| CA2598223C (en) | 2013-07-02 |
| CN101128405A (zh) | 2008-02-20 |
| EP1851180B1 (fr) | 2018-04-18 |
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