JP5443491B2 - 航空機エンジン用複合材料部品 - Google Patents
航空機エンジン用複合材料部品 Download PDFInfo
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- JP5443491B2 JP5443491B2 JP2011525222A JP2011525222A JP5443491B2 JP 5443491 B2 JP5443491 B2 JP 5443491B2 JP 2011525222 A JP2011525222 A JP 2011525222A JP 2011525222 A JP2011525222 A JP 2011525222A JP 5443491 B2 JP5443491 B2 JP 5443491B2
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- 239000002131 composite material Substances 0.000 title claims description 59
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- 229920000642 polymer Polymers 0.000 claims description 26
- 239000004642 Polyimide Substances 0.000 claims description 23
- 229920001721 polyimide Polymers 0.000 claims description 23
- 239000000945 filler Substances 0.000 claims description 18
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- 239000002184 metal Substances 0.000 claims description 17
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- 239000000203 mixture Substances 0.000 claims description 12
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- 239000010439 graphite Substances 0.000 claims description 8
- 229910002804 graphite Inorganic materials 0.000 claims description 8
- 239000013618 particulate matter Substances 0.000 claims description 7
- 239000004962 Polyamide-imide Substances 0.000 claims description 4
- 239000004693 Polybenzimidazole Substances 0.000 claims description 4
- 239000004697 Polyetherimide Substances 0.000 claims description 4
- 229920002312 polyamide-imide Polymers 0.000 claims description 4
- 229920002480 polybenzimidazole Polymers 0.000 claims description 4
- 229920001601 polyetherimide Polymers 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 3
- -1 aromatic tetracarboxylic acid Chemical class 0.000 description 18
- 125000004432 carbon atom Chemical group C* 0.000 description 10
- 150000004984 aromatic diamines Chemical class 0.000 description 9
- WZCQRUWWHSTZEM-UHFFFAOYSA-N 1,3-phenylenediamine Chemical compound NC1=CC=CC(N)=C1 WZCQRUWWHSTZEM-UHFFFAOYSA-N 0.000 description 8
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- LFBALUPVVFCEPA-UHFFFAOYSA-N 4-(3,4-dicarboxyphenyl)phthalic acid Chemical compound C1=C(C(O)=O)C(C(=O)O)=CC=C1C1=CC=C(C(O)=O)C(C(O)=O)=C1 LFBALUPVVFCEPA-UHFFFAOYSA-N 0.000 description 8
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 7
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- CYIDZMCFTVVTJO-UHFFFAOYSA-N pyromellitic acid Chemical compound OC(=O)C1=CC(C(O)=O)=C(C(O)=O)C=C1C(O)=O CYIDZMCFTVVTJO-UHFFFAOYSA-N 0.000 description 6
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- NBAUUNCGSMAPFM-UHFFFAOYSA-N 3-(3,4-dicarboxyphenyl)phthalic acid Chemical compound C1=C(C(O)=O)C(C(=O)O)=CC=C1C1=CC=CC(C(O)=O)=C1C(O)=O NBAUUNCGSMAPFM-UHFFFAOYSA-N 0.000 description 3
- UITKHKNFVCYWNG-UHFFFAOYSA-N 4-(3,4-dicarboxybenzoyl)phthalic acid Chemical compound C1=C(C(O)=O)C(C(=O)O)=CC=C1C(=O)C1=CC=C(C(O)=O)C(C(O)=O)=C1 UITKHKNFVCYWNG-UHFFFAOYSA-N 0.000 description 3
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- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 3
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- YBRVSVVVWCFQMG-UHFFFAOYSA-N 4,4'-diaminodiphenylmethane Chemical compound C1=CC(N)=CC=C1CC1=CC=C(N)C=C1 YBRVSVVVWCFQMG-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- JINNVGDUETWIGS-UHFFFAOYSA-N FOC(=O)C(C(C(F)(F)F)(C(=O)O)F)(C(=O)OF)C(=O)O.C(=O)(O)C=1C=C(C=CC1C(=O)O)O Chemical compound FOC(=O)C(C(C(F)(F)F)(C(=O)O)F)(C(=O)OF)C(=O)O.C(=O)(O)C=1C=C(C=CC1C(=O)O)O JINNVGDUETWIGS-UHFFFAOYSA-N 0.000 description 2
- 125000003277 amino group Chemical group 0.000 description 2
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- HFACYLZERDEVSX-UHFFFAOYSA-N benzidine Chemical class C1=CC(N)=CC=C1C1=CC=C(N)C=C1 HFACYLZERDEVSX-UHFFFAOYSA-N 0.000 description 2
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- 238000006243 chemical reaction Methods 0.000 description 2
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- ANSXAPJVJOKRDJ-UHFFFAOYSA-N furo[3,4-f][2]benzofuran-1,3,5,7-tetrone Chemical compound C1=C2C(=O)OC(=O)C2=CC2=C1C(=O)OC2=O ANSXAPJVJOKRDJ-UHFFFAOYSA-N 0.000 description 2
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- UHOVQNZJYSORNB-UHFFFAOYSA-N monobenzene Natural products C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 2
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- 125000000962 organic group Chemical group 0.000 description 2
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- 238000012360 testing method Methods 0.000 description 2
- GEYOCULIXLDCMW-UHFFFAOYSA-N 1,2-phenylenediamine Chemical compound NC1=CC=CC=C1N GEYOCULIXLDCMW-UHFFFAOYSA-N 0.000 description 1
- VLDPXPPHXDGHEW-UHFFFAOYSA-N 1-chloro-2-dichlorophosphoryloxybenzene Chemical compound ClC1=CC=CC=C1OP(Cl)(Cl)=O VLDPXPPHXDGHEW-UHFFFAOYSA-N 0.000 description 1
- VOZKAJLKRJDJLL-UHFFFAOYSA-N 2,4-diaminotoluene Chemical compound CC1=CC=C(N)C=C1N VOZKAJLKRJDJLL-UHFFFAOYSA-N 0.000 description 1
- RLYCRLGLCUXUPO-UHFFFAOYSA-N 2,6-diaminotoluene Chemical compound CC1=C(N)C=CC=C1N RLYCRLGLCUXUPO-UHFFFAOYSA-N 0.000 description 1
- NUIURNJTPRWVAP-UHFFFAOYSA-N 3,3'-Dimethylbenzidine Chemical compound C1=C(N)C(C)=CC(C=2C=C(C)C(N)=CC=2)=C1 NUIURNJTPRWVAP-UHFFFAOYSA-N 0.000 description 1
- LXJLFVRAWOOQDR-UHFFFAOYSA-N 3-(3-aminophenoxy)aniline Chemical compound NC1=CC=CC(OC=2C=C(N)C=CC=2)=C1 LXJLFVRAWOOQDR-UHFFFAOYSA-N 0.000 description 1
- LJGHYPLBDBRCRZ-UHFFFAOYSA-N 3-(3-aminophenyl)sulfonylaniline Chemical compound NC1=CC=CC(S(=O)(=O)C=2C=C(N)C=CC=2)=C1 LJGHYPLBDBRCRZ-UHFFFAOYSA-N 0.000 description 1
- ZBMISJGHVWNWTE-UHFFFAOYSA-N 3-(4-aminophenoxy)aniline Chemical compound C1=CC(N)=CC=C1OC1=CC=CC(N)=C1 ZBMISJGHVWNWTE-UHFFFAOYSA-N 0.000 description 1
- AIVVXPSKEVWKMY-UHFFFAOYSA-N 4-(3,4-dicarboxyphenoxy)phthalic acid Chemical compound C1=C(C(O)=O)C(C(=O)O)=CC=C1OC1=CC=C(C(O)=O)C(C(O)=O)=C1 AIVVXPSKEVWKMY-UHFFFAOYSA-N 0.000 description 1
- UGCYCDDCACEYKQ-UHFFFAOYSA-N 4-(3,4-dicarboxyphenyl)phosphanylphthalic acid Chemical compound C1=C(C(O)=O)C(C(=O)O)=CC=C1PC1=CC=C(C(O)=O)C(C(O)=O)=C1 UGCYCDDCACEYKQ-UHFFFAOYSA-N 0.000 description 1
- VILWHDNLOJCHNJ-UHFFFAOYSA-N 4-(3,4-dicarboxyphenyl)sulfanylphthalic acid Chemical compound C1=C(C(O)=O)C(C(=O)O)=CC=C1SC1=CC=C(C(O)=O)C(C(O)=O)=C1 VILWHDNLOJCHNJ-UHFFFAOYSA-N 0.000 description 1
- AVCOFPOLGHKJQB-UHFFFAOYSA-N 4-(3,4-dicarboxyphenyl)sulfonylphthalic acid Chemical compound C1=C(C(O)=O)C(C(=O)O)=CC=C1S(=O)(=O)C1=CC=C(C(O)=O)C(C(O)=O)=C1 AVCOFPOLGHKJQB-UHFFFAOYSA-N 0.000 description 1
- IWXCYYWDGDDPAC-UHFFFAOYSA-N 4-[(3,4-dicarboxyphenyl)methyl]phthalic acid Chemical compound C1=C(C(O)=O)C(C(=O)O)=CC=C1CC1=CC=C(C(O)=O)C(C(O)=O)=C1 IWXCYYWDGDDPAC-UHFFFAOYSA-N 0.000 description 1
- APXJLYIVOFARRM-UHFFFAOYSA-N 4-[2-(3,4-dicarboxyphenyl)-1,1,1,3,3,3-hexafluoropropan-2-yl]phthalic acid Chemical compound C1=C(C(O)=O)C(C(=O)O)=CC=C1C(C(F)(F)F)(C(F)(F)F)C1=CC=C(C(O)=O)C(C(O)=O)=C1 APXJLYIVOFARRM-UHFFFAOYSA-N 0.000 description 1
- GEYAGBVEAJGCFB-UHFFFAOYSA-N 4-[2-(3,4-dicarboxyphenyl)propan-2-yl]phthalic acid Chemical compound C=1C=C(C(O)=O)C(C(O)=O)=CC=1C(C)(C)C1=CC=C(C(O)=O)C(C(O)=O)=C1 GEYAGBVEAJGCFB-UHFFFAOYSA-N 0.000 description 1
- MQAHXEQUBNDFGI-UHFFFAOYSA-N 5-[4-[2-[4-[(1,3-dioxo-2-benzofuran-5-yl)oxy]phenyl]propan-2-yl]phenoxy]-2-benzofuran-1,3-dione Chemical compound C1=C2C(=O)OC(=O)C2=CC(OC2=CC=C(C=C2)C(C)(C=2C=CC(OC=3C=C4C(=O)OC(=O)C4=CC=3)=CC=2)C)=C1 MQAHXEQUBNDFGI-UHFFFAOYSA-N 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- YXBIAYXZUDJVEB-UHFFFAOYSA-N Cc(c(C)c1)ccc1-c1ccc(C)c(C)c1 Chemical compound Cc(c(C)c1)ccc1-c1ccc(C)c(C)c1 YXBIAYXZUDJVEB-UHFFFAOYSA-N 0.000 description 1
- SQNZJJAZBFDUTD-UHFFFAOYSA-N Cc1cc(C)c(C)cc1C Chemical compound Cc1cc(C)c(C)cc1C SQNZJJAZBFDUTD-UHFFFAOYSA-N 0.000 description 1
- 0 Cc1ccc(*c2ccc(C)c(C)c2)cc1C Chemical compound Cc1ccc(*c2ccc(C)c(C)c2)cc1C 0.000 description 1
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 1
- 239000005751 Copper oxide Substances 0.000 description 1
- MQJKPEGWNLWLTK-UHFFFAOYSA-N Dapsone Chemical compound C1=CC(N)=CC=C1S(=O)(=O)C1=CC=C(N)C=C1 MQJKPEGWNLWLTK-UHFFFAOYSA-N 0.000 description 1
- MBMLMWLHJBBADN-UHFFFAOYSA-N Ferrous sulfide Chemical compound [Fe]=S MBMLMWLHJBBADN-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- GTDPSWPPOUPBNX-UHFFFAOYSA-N ac1mqpva Chemical compound CC12C(=O)OC(=O)C1(C)C1(C)C2(C)C(=O)OC1=O GTDPSWPPOUPBNX-UHFFFAOYSA-N 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
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- 229910021383 artificial graphite Inorganic materials 0.000 description 1
- CJDPJFRMHVXWPT-UHFFFAOYSA-N barium sulfide Chemical compound [S-2].[Ba+2] CJDPJFRMHVXWPT-UHFFFAOYSA-N 0.000 description 1
- 239000012965 benzophenone Substances 0.000 description 1
- IFVTZJHWGZSXFD-UHFFFAOYSA-N biphenylene Chemical group C1=CC=C2C3=CC=CC=C3C2=C1 IFVTZJHWGZSXFD-UHFFFAOYSA-N 0.000 description 1
- TUQQUUXMCKXGDI-UHFFFAOYSA-N bis(3-aminophenyl)methanone Chemical compound NC1=CC=CC(C(=O)C=2C=C(N)C=CC=2)=C1 TUQQUUXMCKXGDI-UHFFFAOYSA-N 0.000 description 1
- ZLSMCQSGRWNEGX-UHFFFAOYSA-N bis(4-aminophenyl)methanone Chemical compound C1=CC(N)=CC=C1C(=O)C1=CC=C(N)C=C1 ZLSMCQSGRWNEGX-UHFFFAOYSA-N 0.000 description 1
- WKDNYTOXBCRNPV-UHFFFAOYSA-N bpda Chemical compound C1=C2C(=O)OC(=O)C2=CC(C=2C=C3C(=O)OC(C3=CC=2)=O)=C1 WKDNYTOXBCRNPV-UHFFFAOYSA-N 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
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- JGIATAMCQXIDNZ-UHFFFAOYSA-N calcium sulfide Chemical compound [Ca]=S JGIATAMCQXIDNZ-UHFFFAOYSA-N 0.000 description 1
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- 238000002485 combustion reaction Methods 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 229910000431 copper oxide Inorganic materials 0.000 description 1
- OMZSGWSJDCOLKM-UHFFFAOYSA-N copper(II) sulfide Chemical compound [S-2].[Cu+2] OMZSGWSJDCOLKM-UHFFFAOYSA-N 0.000 description 1
- 125000006840 diphenylmethane group Chemical group 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
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- 125000005462 imide group Chemical group 0.000 description 1
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- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
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- 238000006116 polymerization reaction Methods 0.000 description 1
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- 238000009702 powder compression Methods 0.000 description 1
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- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
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- VHNQIURBCCNWDN-UHFFFAOYSA-N pyridine-2,6-diamine Chemical compound NC1=CC=CC(N)=N1 VHNQIURBCCNWDN-UHFFFAOYSA-N 0.000 description 1
- ABYXFACYSGVHCW-UHFFFAOYSA-N pyridine-3,5-diamine Chemical compound NC1=CN=CC(N)=C1 ABYXFACYSGVHCW-UHFFFAOYSA-N 0.000 description 1
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- 239000002759 woven fabric Substances 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L79/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen or carbon only, not provided for in groups C08L61/00 - C08L77/00
- C08L79/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
- C08L79/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function
- C08K3/013—Fillers, pigments or reinforcing additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/005—Additives being defined by their particle size in general
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
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- Y10T428/268—Monolayer with structurally defined 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
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- Y10T428/2911—Mica flake
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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
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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
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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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Description
本出願は、全体が参照により本明細書に援用されている2008年8月29日付け米国仮特許出願第61/092,904号明細書の利益を主張するものである。
ポリイミド、ポリアミド−イミド、ポリエーテルイミド、ポリベンズイミダゾールおよびそれらの配合物からなる群から選択される、約40〜約90重量パーセントのポリマー構成成分と;
少なくとも約9重量パーセントの炭素質充填材構成成分と;
任意選択により、約51重量パーセント以下の粒子状物質と;
を含み、ここで全構成成分の合計は100重量パーセントであり、
複合材料は、1時間に5回の割合で空気が交換されている状態で空気中において70psi(0.48MPa)で100時間700°F(371℃)に加熱した後に判定された場合に5%未満の熱酸化による重量損失(TOWL)を有し、かつ0.5未満の動的摩擦係数を有し;金属環または金属環セグメントのための適切な代替品である複合材料環または環セグメントを提供している。
芳香族テトラカルボン酸構成成分が3,3’,4,4’ビフェニルテトラカルボン酸であり、ジアミン構成成分が70モル%のp−フェニレンジアミンと30モル%のm−フェニレンジアミンの混合物である50重量パーセントのポリマー構成成分と、50重量パーセントの黒鉛粉末で構成された複合材料を、ASTM E8にしたがって直接成形によりテンシルバーの形に製造した。テンシルバーを焼結させて、1.730g/cm3の比重を有するテストバーを生産した。引張り強度と伸びをASTM D638にしたがって測定した。引張り強度は12.66Kpsi(86.9MPa)であることが発見され、伸びは1.6%であった。
図1に示されているものと類似したシュラウドのセグメントを調製して、シュラウドのセグメントのTOWLを直接測定した。シュラウドのセグメントは30°という角度11を成していた。外半径13は8.64インチ(21.9cm)であり、内半径12は8.18インチ(20.8)であり、幅14は1.0インチ(2.5cm)であった。セグメントは、図1に示された通り8個のベーンホール15を含んでいた。芳香族テトラカルボン酸構成成分が3,3’,4,4’ビフェニルテトラカルボン酸であり、ジアミン構成成分が70モル%のp−フェニレンジアミンと30モル%のm−フェニレンジアミンの混合物である50重量パーセントのポリマー構成成分と、50重量パーセントの黒鉛粉末で構成された複合材料を用いてセグメントを調製した。複合材料を金型内で焼結させて、1.746g/cm2の比重を有するセグメントを生産した。セグメントを秤量し、その後金網カゴに入れた。カゴをオーブン内に入れ、セグメントを空気中70psiで700°F(37.1℃)まで加熱し、これらの条件下に1時間維持した。空気流量は、この時間中に空気を5回交換させるようなものであった。この時間の終りでセグメントを再度秤量して、酸化の結果としてどれほどの重量損失が発生したか、すなわちTOWLを判定した。TOWLは0.58%であった。
芳香族テトラカルボン酸構成成分が3,3’,4,4’ビフェニルテトラカルボン酸であり、ジアミン構成成分が70モル%のp−フェニレンジアミンと30モル%のm−フェニレンジアミンの混合物である90重量パーセントのポリマー構成成分と9重量パーセントの黒鉛粉末および1重量パーセントのカオリナイト粒子状物質で構成された複合材料を、ASTM E8にしたがって直接成形によりテンシルバーの形に製造した。テンシルバーを焼結させて、1.439g/cm3の比重を有するテストバーを生産した。引張り強度と伸びをASTM D638にしたがって測定した。引張り強度は11.53Kpsi(79.5MPa)であることが発見され、伸びは2.6%であった。
本発明は以下の実施の態様を含むものである。
1.航空機エンジン複合材料部品であって、前記部品が環または環セグメントであり、
ポリイミド、ポリアミド−イミド、ポリエーテルイミド、ポリベンズイミダゾールおよびそれらの配合物からなる群から選択される、約40〜約90重量パーセントのポリマー構成成分と;
少なくとも9重量パーセントの炭素質充填材構成成分と;
任意選択により、約51重量パーセント以下の粒子状物質と;
を含み、
ここで前記複合材料の全構成成分の合計は100重量パーセントであり、
前記複合材料は、1時間に5回の割合で空気が交換されている状態で空気中において70psi(0.48MPa)で100時間700°F(371℃)に加熱した後に判定された場合に5%未満の熱酸化による重量損失を有し、かつ0.5未満の動的摩擦係数を有し;金属環または金属環セグメントのための適切な代替品である複合材料部品。
2.前記ポリマーがポリイミドであり、炭素質充填材が黒鉛粉末である、前記1に記載の複合材料部品。
3.約50重量パーセントのポリマーと約50重量パーセントの炭素質充填材とを含む、前記1に記載の複合材料部品。
4.約90重量パーセントのポリマーと;約9重量パーセントの炭素質充填材および約1重量パーセントの粒子状物質とを含む、前記1に記載の複合材料部品。
5.前記炭素質充填材が黒鉛粉末であり、前記粒子が約50μm未満の平均サイズを有する、前記3に記載の複合材料部品。
6.前記炭素質充填材が黒鉛粉末であり、前記粒子が約10μm以下の平均サイズを有する、前記3に記載の複合材料部品。
7.前記ポリイミドが、2,3,3’,4’−ビフェニルテトラカルボン酸、3,3’,4,4’−ビフェニルテトラカルボン酸、3,3’,4,4’−ベンゾフェノンテトラカルボン酸、2,2’−ビス(3,4−ジカルボキシフェノール)−ヘキサフルオロプロパンテトラカルボン酸またはピロメリット酸、前記酸の無水物またはエステル、あるいは前記酸、前記無水物または前記エステルの混合物および1つ以上の芳香族ジアミンから誘導されている、前記1に記載の複合材料部品。
8.前記部品が内部シュラウドまたは内部シュラウドの1セグメントである、前記1または3に記載の複合材料部品。
9.前記部品が、可変ベーンと共に用いられる内部シュラウドまたは内部シュラウドの1セグメントである、前記2または3に記載の複合材料部品。
10.前記部品が、内部シュラウドであるか、または内部シュラウドの1セグメントが可変ベーンと直接接触している、前記6に記載の複合材料部品。
Claims (2)
- 航空機エンジン複合材料部品であって、
前記部品が環または環セグメントであり、
ポリイミド、ポリアミド−イミド、ポリエーテルイミド、ポリベンズイミダゾールおよびそれらの配合物からなる群から選択される、40〜90重量パーセントのポリマー構成成分と;
少なくとも9重量パーセントの片状黒鉛または黒鉛粉末の充填材構成成分と;
任意選択により、51重量パーセント以下の粒子状物質と;
を含み、
ここで前記複合材料の全構成成分の合計は100重量パーセントであり、
前記複合材料は、1時間に5回の割合で空気が交換されている状態で空気中において70psi(0.48MPa)で100時間700°F(371℃)に加熱した後に判定された場合に5%未満の熱酸化による重量損失を有し、かつ0.5未満の動的摩擦係数を有し;
金属環または金属環セグメントのための適切な代替品である複合材料部品。 - 前記部品が、内部シュラウドまたは内部シュラウドの1セグメントである、請求項1に記載の複合材料部品。
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US4755555A (en) * | 1985-04-26 | 1988-07-05 | E. I. Du Pont De Nemours And Company | Polyimide molding resins and molded articles |
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US5013817A (en) * | 1987-11-05 | 1991-05-07 | Mitsui Toatsu Chemicals, Inc. | Process for preparing a polyimide and a composite material containing the same |
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US5886129A (en) * | 1997-07-01 | 1999-03-23 | E. I. Du Pont De Nemours And Company | Oxidatively stable rigid aromatic polyimide compositions and process for their preparation |
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US20050084190A1 (en) * | 2003-10-15 | 2005-04-21 | Brooks Robert T. | Variable vane electro-graphitic bushing |
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