JP2006528126A - 組成勾配のある熱構造複合材料構造体およびその製造のための方法 - Google Patents
組成勾配のある熱構造複合材料構造体およびその製造のための方法 Download PDFInfo
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- JP2006528126A JP2006528126A JP2006520857A JP2006520857A JP2006528126A JP 2006528126 A JP2006528126 A JP 2006528126A JP 2006520857 A JP2006520857 A JP 2006520857A JP 2006520857 A JP2006520857 A JP 2006520857A JP 2006528126 A JP2006528126 A JP 2006528126A
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- ceramic
- preform
- refractory
- intermediate layer
- reinforcement
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
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- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249971—Preformed hollow element-containing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
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- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249971—Preformed hollow element-containing
- Y10T428/249974—Metal- or silicon-containing element
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249981—Plural void-containing components
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249987—With nonvoid component of specified composition
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249987—With nonvoid component of specified composition
- Y10T428/249988—Of about the same composition as, and adjacent to, the void-containing component
- Y10T428/249989—Integrally formed skin
Abstract
【選択図】 図6
Description
熱構造複合材料は、良好な機械的特性および高温においてその特性を維持する能力で知られている。それらは、炭素マトリックスにより緻密化された炭素繊維強化材料から形成される炭素/炭素(C/C)複合材料および少なくとも部分的にセラミックマトリックスにより緻密化された耐火(炭素またはセラミック)繊維で作られた強化材料から形成されるセラミックマトリックス複合材料(CMC)を含む。CMCの例は、C/SiC複合材料(炭素繊維強化材料および炭化ケイ素マトリックス)、C/C−SiC複合材料(炭素繊維強化材料ならびに一般的に繊維に可能な限り近接した炭素相および炭化ケイ素相を含むマトリックス)およびSiC/SiC複合材料(炭化ケイ素強化繊維および炭化ケイ素マトリックス)である。強化繊維とマトリックスとの間に界面層を介在させて材料の機械的一体性を改善してもよい。
本発明の目的は、前述の欠点を改善し、硬質かつ軽量である薄肉の複雑な形態を製造することを可能にする熱構造複合材料構造体を製造することにある。
a)多孔性耐火部品のプリフォームを加工する工程(プリフォームは80%以上の細孔体積含有量を有する)と、
b)プリフォームのすべての接触可能な表面に、セラミック前駆体ポリマーおよび耐火固体フィラーを含む液体組成物を塗布し、前駆体ポリマーをセラミックへ変換してプリフォーム表面での気孔率を減少させる工程と、
c)化学気相浸透によりセラミック被覆を形成してプリフォームの外表面全体にわたってセラミック殻を形成する工程と
を含む方法を提供する。
想定される用途に応じて、本発明の構造体で得られる部品の形状と寸法は変わりうる。単純化のために、以下に記載した実施形態は、本発明の可能な用途の単なる例である。当業者は、困難なしに、本発明により得られる部品の構造的な特徴を有利に使用できる他の実施形態を思いつくであろう。
PCS(SiC前駆体):1から3重量部、
キシレン(PCSの溶媒):2から5重量部。
Claims (20)
- 80%以上の細孔体積含有量を有する耐火物で作られた多孔性コア(5)から形成された組成勾配を有する熱構造複合材料構造体であって、前記コアは耐火物、セラミック相および耐火固体フィラーの部分を含む2つの中間層(6a、6b)の間にあり、セラミックで作られた2つの外殻(7a、7b)が中間層を被覆し、中間層は各々、多孔性コア(5)と外部のセラミック殻(7a、7b)との間のバリアを形成し、構造体の厚さ方向に組成勾配を示す熱構造複合材料構造体。
- 多孔性コア(5)の耐火物はマトリックスによって固められた耐火繊維強化材料からなる請求項1記載の構造体。
- 強化材料は炭素マトリックスによって、いっしょに結合されたレーヨン由来タイプの炭素繊維を含む請求項2記載の構造体。
- 一方で中間層および多孔性コア、他方でセラミック殻および中間層が部分的に相互侵入して、中間層を多孔性コアにつなぎとめ、セラミック殻を中間層につなぎとめている請求項1ないし3のいずれか1項記載の構造体。
- 1未満のかさ密度を有する請求項1ないし4のいずれか1項記載の構造体。
- その壁が補強材(3)を形成する、多数のキャビティ(2)を含む請求項1ないし5のいずれか1項記載の構造体。
- 補強材は1mmまでの範囲の壁厚さを有する請求項6記載の構造体。
- 補強材(3)は穴あけされた部分(8)を有する請求項6または7記載の構造体。
- 補強材と一体的に形成された少なくとも1つの光学表面を含む請求項6または7のいずれか1項記載の構造体。
- セラミックは炭化ケイ素で構成される請求項1ないし9のいずれか1項記載の構造体。
- 組成勾配を有する積層された熱構造複合材料構造体を製造するための方法であって、以下の工程、
a)多孔性耐火部品のプリフォームを加工する工程(プリフォームは80%以上の細孔体積含有量を有する)と、
b)プリフォームのすべての接触可能な表面に、セラミック前駆体ポリマーおよび耐火固体フィラーを含む液体組成物を塗布し、ポリマーを架橋し、架橋ポリマーを熱処理によりセラミックへ変換してプリフォーム表面での気孔率を減少させる工程と、
c)化学気相浸透によりセラミック被覆を形成してプリフォームの外表面全体にわたってセラミック殻を形成する工程と
を含む方法。 - プリフォームは炭素マトリックスによって固められたレーヨン由来タイプの炭素繊維の強化材料から形成される請求項11記載の方法。
- プリフォームを加工する工程a)は、複合材料で作られた部品の中にキャビティを穴あけし、補強材を形成することを含む請求項11または12記載の方法。
- プリフォームを加工する工程は、さらに、実質的に平坦な表面(4)を形成し、前記表面を化学気相浸透工程の後に研磨して光学表面を形成することを含む請求項13記載の方法。
- 液体組成物は、セラミック前駆体ポリマーの溶媒を含む請求項11ないし14のいずれか1項記載の方法。
- 固体フィラーは、平均粒径が100μm未満である少なくとも1種の耐火粉末を含む請求項11ないし15のいずれか1項記載の方法。
- 粉末の平均粒径が5μmから50μmの範囲にある請求項16記載の方法。
- 固体フィラーは、異なる平均粒径の少なくとも2種類の粉末を含む請求項11ないし17のいずれか1項記載の方法。
- 化学気相浸透は、一定温度で実施される請求項11ないし18のいずれか1項記載の方法。
- 化学気相浸透により形成される被覆が炭化ケイ素からなる請求項11ないし19のいずれか1項記載の方法。
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PCT/FR2004/001876 WO2005009921A2 (fr) | 2003-07-18 | 2004-07-16 | Structure composite thermostructurale a gradient de composition et son procede de fabrication |
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- 2004-07-16 JP JP2006520857A patent/JP4903563B2/ja active Active
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JPH08310866A (ja) * | 1995-03-29 | 1996-11-26 | Aerospat Soc Natl Ind | SiCの間にハニカム状の中心材をはさみ込み軽量化したサンドイッチ構造の製造方法およびその製法により得られる構造 |
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Cited By (10)
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JP2013139374A (ja) * | 2012-01-03 | 2013-07-18 | General Electric Co <Ge> | セラミックマトリックス複合材の形成方法及びセラミックマトリックス複合材部品 |
US9663404B2 (en) | 2012-01-03 | 2017-05-30 | General Electric Company | Method of forming a ceramic matrix composite and a ceramic matrix component |
JP2013225164A (ja) * | 2013-08-08 | 2013-10-31 | Mitsubishi Electric Corp | プレート構成体 |
JP2015092292A (ja) * | 2015-02-12 | 2015-05-14 | 三菱電機株式会社 | プレート構成体 |
KR20210092781A (ko) * | 2018-11-20 | 2021-07-26 | 유티-배텔, 엘엘씨 | 내화 매트릭스 재료를 이용한 복잡한 물체의 적층 제조 |
JP2022509125A (ja) * | 2018-11-20 | 2022-01-20 | ユーティー-バットル,リミティド ライアビリティ カンパニー | 耐火性マトリックス材料を用いた複雑な物体の付加的な製造 |
JP7197696B2 (ja) | 2018-11-20 | 2022-12-27 | ユーティー-バットル,リミティド ライアビリティ カンパニー | 一体型核燃料要素及びその製造方法 |
KR102567434B1 (ko) * | 2018-11-20 | 2023-08-16 | 유티-배텔, 엘엘씨 | 내화 매트릭스 재료를 이용한 복잡한 물체의 적층 제조 |
WO2021106557A1 (ja) * | 2019-11-28 | 2021-06-03 | 京セラ株式会社 | ミラー |
JP7325533B2 (ja) | 2019-11-28 | 2023-08-14 | 京セラ株式会社 | ミラー |
Also Published As
Publication number | Publication date |
---|---|
CA2532822C (en) | 2012-10-30 |
WO2005009921A3 (fr) | 2005-05-19 |
EP1651435B8 (fr) | 2015-10-28 |
US20070042121A1 (en) | 2007-02-22 |
FR2857660A1 (fr) | 2005-01-21 |
US20050013985A1 (en) | 2005-01-20 |
US7560139B2 (en) | 2009-07-14 |
EP1651435B1 (fr) | 2015-09-02 |
EP1651435A2 (fr) | 2006-05-03 |
CN1822952A (zh) | 2006-08-23 |
WO2005009921A2 (fr) | 2005-02-03 |
CA2532822A1 (en) | 2005-02-03 |
CN1822952B (zh) | 2014-11-12 |
FR2857660B1 (fr) | 2006-03-03 |
JP4903563B2 (ja) | 2012-03-28 |
US7063886B2 (en) | 2006-06-20 |
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