JP2022530316A - 溶融浸透セラミックマトリックス複合材料(cmc)物品の緻密化 - Google Patents
溶融浸透セラミックマトリックス複合材料(cmc)物品の緻密化 Download PDFInfo
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- 239000011153 ceramic matrix composite Substances 0.000 title claims abstract description 139
- 238000000280 densification Methods 0.000 title claims description 18
- 230000035515 penetration Effects 0.000 title claims description 12
- 238000000034 method Methods 0.000 claims abstract description 52
- 238000005266 casting Methods 0.000 claims abstract description 39
- 239000003795 chemical substances by application Substances 0.000 claims description 73
- 239000000919 ceramic Substances 0.000 claims description 43
- 239000000835 fiber Substances 0.000 claims description 43
- 239000011159 matrix material Substances 0.000 claims description 18
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 12
- 229910052710 silicon Inorganic materials 0.000 claims description 12
- 239000010703 silicon Substances 0.000 claims description 12
- 238000010586 diagram Methods 0.000 abstract 1
- 238000001764 infiltration Methods 0.000 description 10
- 230000008595 infiltration Effects 0.000 description 10
- 230000008569 process Effects 0.000 description 9
- 239000000463 material Substances 0.000 description 8
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 8
- 230000005484 gravity Effects 0.000 description 6
- 229910010271 silicon carbide Inorganic materials 0.000 description 6
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 4
- 238000005336 cracking Methods 0.000 description 4
- 238000004512 die casting Methods 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 238000000626 liquid-phase infiltration Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 2
- 229920006184 cellulose methylcellulose Polymers 0.000 description 2
- 238000012710 chemistry, manufacturing and control Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000005058 metal casting Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007569 slipcasting Methods 0.000 description 1
- 238000010345 tape casting Methods 0.000 description 1
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Abstract
Description
110 多孔質CMCプリフォーム
120 第1の領域
121 部分
122 部分
125 ダイ開口部
130 溶融した緻密化剤
140 第2の領域
150 緻密化溶融浸透CMC物品
200 鋳造装置
210 多孔質CMCプリフォーム
220 第1の領域
230 溶融した緻密化剤
240 第2の領域
260 入口
300 鋳造装置
310 多孔質CMCプリフォーム
320 第1の領域
330 溶融した緻密化剤
340 第2の領域
370 第3の領域
400 多孔質CMCプリフォーム
410d 第1の深さ
410v 第1の浸透速度
420d 第2の深さ
420v 第2の浸透速度
430d 第3の深さ
430v 第3の浸透速度
440 セラミック繊維
450 セラミック繊維
500 多孔質CMCプリフォーム
510d 第1の深さ
510v 第1の浸透速度
520d 第2の深さ
520v 第2の浸透速度
540 セラミック繊維
550 セラミック繊維
Claims (19)
- 溶融浸透セラミックマトリックス複合材料(CMC)物品の緻密化のための方法であって、
鋳造装置(100、200、300)の第1の領域(120、220、320)内に多孔質CMCプリフォーム(110、210、310)を供給するステップと、
前記第1の領域(120、220、320)に動作可能に接続された前記鋳造装置(100、200、300)の第2の領域(140、240、340)の圧力ヘッド領域内に、ケイ素の少なくとも1つの供給源を含む溶融した緻密化剤(130、230、330)を供給するステップと、
前記圧力ヘッド内の前記溶融した緻密化剤(130、230、330)に第1の圧力を印加することにより、前記溶融した緻密化剤(130、230、330)を前記多孔質CMCプリフォーム(110、210、310)内の空隙に浸透させ、緻密化された溶融浸透CMC物品を形成するステップと
を含む方法。 - 前記溶融した緻密化剤(130)に印加される前記第1の圧力は、大気圧であり、前記鋳造装置(100)の前記第1および第2の領域(120、140)は、前記圧力ヘッド領域内の前記溶融した緻密化剤(130)の重量によって前記溶融した緻密化剤(130)を前記多孔質CMCプリフォーム(110)に浸透させることができるように互いに配向されている、請求項1に記載の方法。
- 前記鋳造装置(100)の前記第1の領域(120)は、前記多孔質CMCプリフォーム(110)を収容するダイセットを含み、前記ダイセットは、お互いに対して移動して、ダイ開口部(125)を間に生成することができる少なくとも2つの部分(121、122)を有する、請求項2に記載の方法。
- 前記第1の圧力の印加の最中に前記ダイ開口部(125)の開口幅を調整するステップをさらに含む、請求項3に記載の方法。
- 前記ダイ開口部(125)の前記開口幅を調整するステップは、前記開口幅を選択された開口幅へと調整することを含み、前記選択された開口幅は、前記多孔質CMCプリフォーム(110)の多孔質マトリックスの損傷を低減または防止する、請求項4に記載の方法。
- 前記溶融した緻密化剤(130)に印加される前記第1の圧力は、大気圧よりも高く、前記鋳造装置(100)の前記第1および第2の領域(120、140)は、大気圧よりも高い前記第1の圧力における前記溶融した緻密化剤(130)の前記多孔質CMCプリフォーム(110)への浸透が、前記多孔質CMCプリフォーム(110)の多孔質マトリックスを損傷させることなく実行されるように、互いに動作可能に結合している、請求項1に記載の方法。
- 前記鋳造装置(200)の前記第1の領域(220)および前記第2の領域(240)の少なくとも一方が、前記溶融した緻密化剤(230)を前記多孔質CMCプリフォーム(210)へと通すための入口(260)を含み、前記入口(260)は、前記多孔質CMCプリフォーム(210)との接触時の前記溶融した緻密化剤(230)の速度を下げるように構成されている、請求項6に記載の方法。
- 前記多孔質CMCプリフォーム(210)を内部に有する前記鋳造装置(200)の前記第1の領域(220)は、大気圧よりも低い第2の圧力を有し、前記鋳造装置(200)の前記第1および第2の領域(220、240)は、大気圧よりも低い前記第2の圧力によって前記溶融した緻密化剤(230)を前記多孔質CMCプリフォーム(210)に浸透させることができるように互いに配向されている、請求項1に記載の方法。
- 前記鋳造装置(200)の前記第1の領域(220)は、前記第2の圧力を選択された第2の圧力に設定するための圧力設定装置を含み、前記選択された第2の圧力は、大気圧よりも低く、かつ前記多孔質CMCプリフォーム(210)の多孔質マトリックスに損傷が生じる最小圧力よりも高い、請求項8に記載の方法。
- 前記鋳造装置(300)は、第3の領域(370)を含み、前記多孔質CMCプリフォーム(310)は、前記第2および第3の領域(340、370)の間にまたがる、請求項1に記載の方法。
- 前記第2の領域(340)の前記第1の圧力は、前記第3の領域(370)の圧力よりも高く、前記第2の領域(340)の前記第1の圧力と前記第3の領域(370)の前記圧力との間の差により、前記溶融した緻密化剤(330)を前記多孔質CMCプリフォーム(310)に浸透させることができる、請求項10に記載の方法。
- 溶融浸透セラミックマトリックス複合材料(CMC)物品の緻密化のための方法であって、
鋳造装置(100、200、300)の第1の領域(120、220、320)内に多孔質CMCプリフォーム(110、210、310)を供給するステップと、
前記第1の領域(120、220、320)に動作可能に接続された前記鋳造装置(100、200、300)の第2の領域(140、240、340)の圧力ヘッド領域内に、ケイ素の少なくとも1つの供給源を含む溶融した緻密化剤(130、230、330)を供給するステップと、
第1の時間期間にわたって、前記圧力ヘッド内の前記溶融した緻密化剤(130、230、330)に、前記多孔質CMCプリフォーム(110、210、310)の第1の深さ(410d、510d)にわたって前記溶融した緻密化剤(130、230、330)の第1の浸透速度(410v、510v)を確立させるために充分な第1段階の圧力を、印加するステップと、
第2の時間期間にわたって、前記圧力ヘッド内の前記溶融した緻密化剤(130、230、330)に、前記第1段階の圧力と異なり、前記多孔質CMCプリフォーム(110、210、310)の前記第1の深さ(410d、510d)を含まない第2の深さ(420d、520d)にわたって前記溶融した緻密化剤(130、230、330)の第2の浸透速度(420v、520v)を確立させるために充分な第2段階の圧力を、印加するステップと
を含む方法。 - 前記第1の深さ(410d、510d)領域および前記第2の深さ(420d、520d)領域の一方が、密集したCMC繊維を含み、前記第1の深さ(410d、510d)領域および前記第2の深さ(420d、520d)領域の他方が、あまり密集していないCMC繊維を含む、請求項12に記載の方法。
- 前記密集したCMC繊維(450)および前記あまり密集していないCMC繊維(440)は、実質的に同じ方向に配向している、請求項13に記載の方法。
- 前記密集したCMC繊維(450)および前記あまり密集していないCMC繊維(440)は、お互いに対して実質的に直角に配向している、請求項13に記載の方法。
- 前記第1の深さ(510d)領域および前記第2の深さ(520d)領域の両方が、実質的に同程度に密集したCMC繊維(540、550)を含み、前記第1の深さ(510d)領域のCMC繊維(540)は、前記第2の深さ(420d、520d)領域のCMC繊維(550)に対して実質的に直角に配向している、請求項12に記載の方法。
- 第3の時間期間にわたって、前記圧力ヘッド内の前記溶融した緻密化剤(130、230、330)に、第3段階の圧力を印加するステップをさらに含み、前記第3段階の圧力は、前記第1段階の圧力および前記第2段階の圧力の少なくとも一方とは異なり、前記多孔質CMCプリフォーム(110、210、310)の前記第1および第2の深さ(410d、420d)を含まない第3の深さ(430d)にわたって前記溶融した緻密化剤(130、230、330)の第3の浸透速度(430v)を確立させるために充分である、請求項12に記載の方法。
- 少なくともケイ素を内部に浸透させて有している多孔質セラミックマトリックスと、
前記セラミックマトリックスに埋め込まれたセラミック繊維と
を含んでおり、
実質的に均一な密度を有している、緻密化溶融浸透セラミックマトリックス複合材料(CMC)物品。 - 前記物品はガスタービンエンジンの構成部品である、請求項18に記載の物品。
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US11746951B2 (en) | 2019-02-26 | 2023-09-05 | Vita Inclinata Ip Holdings Llc | Cable deployment apparatus, system, and methods for suspended load control equipment |
US11834305B1 (en) | 2019-04-12 | 2023-12-05 | Vita Inclinata Ip Holdings Llc | Apparatus, system, and method to control torque or lateral thrust applied to a load suspended on a suspension cable |
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US5322109A (en) * | 1993-05-10 | 1994-06-21 | Massachusetts Institute Of Technology, A Massachusetts Corp. | Method for pressure infiltration casting using a vent tube |
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US20050184413A1 (en) * | 2004-02-20 | 2005-08-25 | Forest Mark L.L. | Versatile mold flow capability in the infiltration of porous carbon preforms with pitch/thermoplastic/thermoset resins |
US7223465B2 (en) | 2004-12-29 | 2007-05-29 | General Electric Company | SiC/SiC composites incorporating uncoated fibers to improve interlaminar strength |
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US11834305B1 (en) | 2019-04-12 | 2023-12-05 | Vita Inclinata Ip Holdings Llc | Apparatus, system, and method to control torque or lateral thrust applied to a load suspended on a suspension cable |
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