JP2019510720A - セラミックマトリックス複合材料から部品を製造する方法 - Google Patents
セラミックマトリックス複合材料から部品を製造する方法 Download PDFInfo
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Abstract
重量の大部分をケイ素が占める溶融組成物で繊維プリフォームを含浸すること、ここで前記繊維プリフォームは炭化ケイ素繊維を含み、前記プリフォームの孔内に炭化ケイ素粉末が存在しており、前記粉末中の炭化ケイ素結晶子の平均サイズが、前記繊維中の炭化ケイ素結晶子の平均サイズよりも小さく、複合材料から成る前記部品を得るように、前記含浸中に前記繊維プリフォームの前記孔内にセラミックマトリックスが形成される、
を含む方法。
【選択図】図1
Description
重量の大部分をケイ素が占める溶融組成物で繊維プリフォームを含浸すること、ここで前記繊維プリフォームは炭化ケイ素(SiC)繊維を含み、前記プリフォームの孔内に炭化ケイ素粉末が存在しており、前記粉末中の炭化ケイ素結晶子の平均サイズが、前記繊維中の炭化ケイ素結晶子の平均サイズよりも小さく、複合材料から成る前記部品を得るように、前記含浸中に前記繊維プリフォームの前記孔内にセラミックマトリックスが形成される、
を含む方法を提供する。
一次元(UG)ファブリック、
二次元(2D)ファブリック、
ブレイド、
ニット、
フェルト、又は
糸又はトウから成る一方向(UD)シート、又は、複数のUDシートを異なる方向に重ね合わせ、そして例えばステッチング、又は化学結合剤、又はニードリングによってこれらのUDシートを繋ぎ合わせることによって得られる、糸又はトウから成る多方向(nD)シート、
から成る層又は複数の層のスタックから得ることができる。
炭化ケイ素繊維を含む繊維プリフォームを形成し、
繊維プリフォームの孔内に炭化ケイ素粉末を導入し、粉末中の炭化ケイ素結晶子の平均サイズが、繊維中の炭化ケイ素結晶子の平均サイズよりも小さく、そして、
重量の大部分をケイ素が占める溶融組成物で、炭化ケイ素粉末を充填された繊維プリフォームを含浸し、複合材料部品を得るように、含浸中に繊維プリフォームの孔内にセラミックマトリックスが形成される、
工程を含む、セラミックマトリックス複合材料部品を製造する方法が記述される。
炭化ケイ素を含む複数の繊維テクスチャを集成することにより繊維プリフォームを形成し、前記テクスチャの孔内に炭化ケイ素粉末が存在しており、粉末中の炭化ケイ素結晶子の平均サイズが、繊維中の炭化ケイ素結晶子の平均サイズよりも小さく、そして
重量の大部分をケイ素が占める溶融組成物で、結果として生じた繊維プリフォームを含浸し、複合材料部品を得るように、含浸中に繊維プリフォームの孔内にセラミックマトリックスが形成される、
工程を含んでよい。
例1(本発明)
平均サイズ30nmのSiC結晶子を有する炭化ケイ素繊維から成る繊維プリフォームを使用した。使用したSiC繊維は、供給元NGSによってHi-Nicalon Type Sという名称で販売されている。熱分解炭素から成る単一層を含むインターフェイズを最初に化学蒸気含浸によって繊維上に形成した。その後、化学蒸気含浸によって形成されたSiCコンソリデーション相でプリフォームを緻密化した。結果として生じたコンソリデーション相のSiC結晶子の平均サイズは30nmであった。次いで、コンソリデーション処理済の繊維プリフォームの孔内に、平均サイズ15nmのSiC結晶子を有するSiC粉末を含有するスラリーを導入した。プリフォームをこのように浸透を施した状態で乾燥させた後、繊維プリフォームを、大部分が溶融ケイ素である含浸組成物で含浸した。使用した含浸組成物のケイ素モル含有率は96%であり、そしてホウ素のモル含有率は4%であった。含浸中、アルゴンの分圧下で45分間(min)にわたって温度を1445℃で維持した。
コンソリデーション処理済のプリフォームを、平均サイズ120nmの結晶子を有するSiC粉末を含むスラリーで含浸することを除いて、例1と同じ作業プロトコルを実施した。
Claims (7)
- セラミックマトリックス複合材料から部品を製造する方法であって、少なくとも次の工程、
重量の大部分をケイ素が占める溶融組成物で繊維プリフォームを含浸すること、ここで前記繊維プリフォームは炭化ケイ素繊維を含み、前記プリフォームの孔内に炭化ケイ素粉末が存在しており、前記粉末中の炭化ケイ素結晶子の平均サイズが、前記繊維中の炭化ケイ素結晶子の平均サイズよりも小さく、複合材料から成る前記部品を得るように、前記含浸中に前記繊維プリフォームの前記孔内にセラミックマトリックスが形成される、
を含む方法。 - 含浸前に前記繊維プリフォームが、炭化ケイ素を含むコンソリデーション相を有し、前記粉末中の炭化ケイ素結晶子の平均サイズが、前記コンソリデーション相中の炭化ケイ素結晶子の平均サイズよりも小さい、請求項1に記載の方法。
- 前記粉末中の炭化ケイ素結晶子の平均サイズが、前記繊維中の炭化ケイ素結晶子の平均サイズの80%以下である、請求項1又は2に記載の方法。
- 前記粉末中の炭化ケイ素結晶子の平均サイズが、前記コンソリデーション相中の炭化ケイ素結晶子の平均サイズの80%以下である、請求項2又は3に記載の方法。
- 含浸工程前の前記繊維上にインターフェイズが形成される、請求項1から4までのいずれか1項に記載の方法。
- 前記インターフェイズが、次の材料、すなわち、熱分解炭素、ホウ素ドープ型炭素、又は窒化ホウ素から成る少なくとも1つの層によって形成される、請求項5に記載の方法。
- 前記繊維プリフォームが、三次元織布による単一片として、又は複数の二次元繊維プライから形成される、請求項1〜6のいずれか1項に記載の方法。
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| FR1651327A FR3047988B1 (fr) | 2016-02-18 | 2016-02-18 | Procede de fabrication d'une piece en materiau composite a matrice ceramique |
| FR1651327 | 2016-02-18 | ||
| PCT/FR2017/050348 WO2017140986A1 (fr) | 2016-02-18 | 2017-02-16 | Procede de fabrication d'une piece en materiau composite a matrice ceramique |
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| EP3505502A4 (en) * | 2016-08-25 | 2020-03-25 | IHI Corporation | CERAMIC BASE COMPOSITE MATERIAL AND PROCESS FOR PRODUCING THE SAME |
| US11046615B2 (en) * | 2018-12-19 | 2021-06-29 | Raytheon Technologies Corporation | Self-healing matrix for a ceramic composite |
| EP3947319A1 (fr) * | 2019-04-05 | 2022-02-09 | Safran Ceramics | Procede de fabrication d'une piece en cmc |
| FR3125528A1 (fr) * | 2021-07-26 | 2023-01-27 | Safran Ceramics | Procédé de fabrication d’une pièce épaisse en matériau composite CMC |
| US12304869B2 (en) * | 2022-05-25 | 2025-05-20 | Goodrich Corporation | Composites and methods of forming composites having an increased volume of oxidation resistant ceramic particles |
| FR3141171B1 (fr) * | 2022-10-21 | 2025-07-25 | Safran Ceram | Procédé de fabrication d’une pièce en matériau composite à matrice céramique |
| FR3141170B1 (fr) * | 2022-10-21 | 2024-10-25 | Safran Ceram | Procédé de fabrication d’une pièce en matériau composite à matrice céramique |
| FR3141167B1 (fr) * | 2022-10-21 | 2024-10-25 | Safran Ceram | Procédé de fabrication d’une pièce en matériau composite à matrice céramique |
| FR3141169A1 (fr) * | 2022-10-21 | 2024-04-26 | Safran Ceramics | Procédé de fabrication d’une pièce en matériau composite à matrice céramique |
| FR3154726B1 (fr) | 2023-10-26 | 2025-10-31 | Safran Ceram | Procédé de densification d’une préforme poreuse |
| FR3154725A1 (fr) | 2023-10-26 | 2025-05-02 | Safran Ceramics | Procédé de fabrication d’une pièce en matériau composite à matrice hybride |
| FR3154996A1 (fr) | 2023-11-03 | 2025-05-09 | Safran Ceramics | Procédé de fabrication d’une pièce en matériau composite avec correction de géométrie |
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| US10662117B2 (en) | 2020-05-26 |
| JP6864002B2 (ja) | 2021-04-21 |
| RU2018132864A (ru) | 2020-03-19 |
| BR112018016761B1 (pt) | 2023-02-07 |
| RU2018132864A3 (ja) | 2020-03-19 |
| EP3416929A1 (fr) | 2018-12-26 |
| WO2017140986A1 (fr) | 2017-08-24 |
| EP3416929B1 (fr) | 2020-01-29 |
| US20190337859A1 (en) | 2019-11-07 |
| CA3014449A1 (fr) | 2017-08-24 |
| RU2728791C2 (ru) | 2020-07-31 |
| CN108602724B (zh) | 2021-08-17 |
| BR112018016761A2 (pt) | 2018-12-26 |
| FR3047988A1 (fr) | 2017-08-25 |
| FR3047988B1 (fr) | 2018-03-16 |
| CN108602724A (zh) | 2018-09-28 |
| CA3014449C (fr) | 2023-10-17 |
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