JP6499575B2 - 宇宙機用燃料タンク及びその製造方法 - Google Patents
宇宙機用燃料タンク及びその製造方法 Download PDFInfo
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- JP6499575B2 JP6499575B2 JP2015256349A JP2015256349A JP6499575B2 JP 6499575 B2 JP6499575 B2 JP 6499575B2 JP 2015256349 A JP2015256349 A JP 2015256349A JP 2015256349 A JP2015256349 A JP 2015256349A JP 6499575 B2 JP6499575 B2 JP 6499575B2
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- fuel tank
- metal plating
- plating layer
- spacecraft
- carbon fiber
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- 239000002828 fuel tank Substances 0.000 title claims description 320
- 238000004519 manufacturing process Methods 0.000 title claims description 82
- 238000007747 plating Methods 0.000 claims description 192
- 229910052751 metal Inorganic materials 0.000 claims description 161
- 239000002184 metal Substances 0.000 claims description 161
- 238000000034 method Methods 0.000 claims description 126
- 239000004918 carbon fiber reinforced polymer Substances 0.000 claims description 97
- 238000005498 polishing Methods 0.000 claims description 32
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 28
- 238000007517 polishing process Methods 0.000 claims description 25
- 239000000446 fuel Substances 0.000 claims description 18
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 14
- 229910052802 copper Inorganic materials 0.000 claims description 14
- 239000010949 copper Substances 0.000 claims description 14
- 229910052759 nickel Inorganic materials 0.000 claims description 14
- 230000004048 modification Effects 0.000 description 44
- 238000012986 modification Methods 0.000 description 44
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 31
- 230000003746 surface roughness Effects 0.000 description 21
- 238000010586 diagram Methods 0.000 description 18
- 238000007772 electroless plating Methods 0.000 description 18
- 238000009713 electroplating Methods 0.000 description 18
- 229920005989 resin Polymers 0.000 description 9
- 239000011347 resin Substances 0.000 description 9
- 239000000203 mixture Substances 0.000 description 8
- 239000004744 fabric Substances 0.000 description 6
- 239000002131 composite material Substances 0.000 description 5
- 239000013585 weight reducing agent Substances 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000002737 fuel gas Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000007731 hot pressing Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- XQUPVDVFXZDTLT-UHFFFAOYSA-N 1-[4-[[4-(2,5-dioxopyrrol-1-yl)phenyl]methyl]phenyl]pyrrole-2,5-dione Chemical compound O=C1C=CC(=O)N1C(C=C1)=CC=C1CC1=CC=C(N2C(C=CC2=O)=O)C=C1 XQUPVDVFXZDTLT-UHFFFAOYSA-N 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 239000004696 Poly ether ether ketone Substances 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 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
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- UCAHJECAHMOSHI-UHFFFAOYSA-N n-[(5-bromo-2-methoxyphenyl)methyl]adamantan-1-amine Chemical compound COC1=CC=C(Br)C=C1CNC1(C2)CC(C3)CC2CC3C1 UCAHJECAHMOSHI-UHFFFAOYSA-N 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920003192 poly(bis maleimide) Polymers 0.000 description 1
- 229920001652 poly(etherketoneketone) Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920002530 polyetherether ketone Polymers 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/06—Fibrous reinforcements only
- B29C70/10—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres
- B29C70/16—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
- B64G1/40—Arrangements or adaptations of propulsion systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
- B64G1/40—Arrangements or adaptations of propulsion systems
- B64G1/402—Propellant tanks; Feeding propellants
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/02—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition
- C23C18/12—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition characterised by the deposition of inorganic material other than metallic material
- C23C18/1229—Composition of the substrate
- C23C18/1245—Inorganic substrates other than metallic
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/1601—Process or apparatus
- C23C18/1633—Process of electroless plating
- C23C18/1646—Characteristics of the product obtained
- C23C18/165—Multilayered product
- C23C18/1653—Two or more layers with at least one layer obtained by electroless plating and one layer obtained by electroplating
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/1601—Process or apparatus
- C23C18/1633—Process of electroless plating
- C23C18/1689—After-treatment
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/18—Pretreatment of the material to be coated
- C23C18/1851—Pretreatment of the material to be coated of surfaces of non-metallic or semiconducting in organic material
- C23C18/1855—Pretreatment of the material to be coated of surfaces of non-metallic or semiconducting in organic material by mechanical pretreatment, e.g. grinding, sanding
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/18—Pretreatment of the material to be coated
- C23C18/20—Pretreatment of the material to be coated of organic surfaces, e.g. resins
- C23C18/2006—Pretreatment of the material to be coated of organic surfaces, e.g. resins by other methods than those of C23C18/22 - C23C18/30
- C23C18/2013—Pretreatment of the material to be coated of organic surfaces, e.g. resins by other methods than those of C23C18/22 - C23C18/30 by mechanical pretreatment, e.g. grinding, sanding
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/31—Coating with metals
- C23C18/32—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/48—After-treatment of electroplated surfaces
- C25D5/52—After-treatment of electroplated surfaces by brightening or burnishing
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/54—Electroplating of non-metallic surfaces
- C25D5/56—Electroplating of non-metallic surfaces of plastics
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D7/00—Electroplating characterised by the article coated
- C25D7/04—Tubes; Rings; Hollow bodies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
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- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
- B32B5/08—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer the fibres or filaments of a layer being of different substances, e.g. conjugate fibres, mixture of different fibres
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- B32B9/005—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising one layer of ceramic material, e.g. porcelain, ceramic tile
- B32B9/007—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising one layer of ceramic material, e.g. porcelain, ceramic tile comprising carbon, e.g. graphite, composite carbon
Description
本実施の形態1に係る宇宙機用燃料タンクは、宇宙機の推進用燃料を貯留する宇宙機用燃料タンクであって、炭素繊維強化プラスチック層と金属めっき層を備え、炭素繊維強化プラスチック層は、燃料タンクの内面側に、表面が研磨処理された研磨面を有し、金属めっき層は、研磨面上に形成されている。
図1は、本実施の形態1に係る燃料タンクをロケット内に配置した状態を示す模式図である。図2は、図1に示す燃料タンクの要部断面図である。なお、図1においては、ロケットの一部を切断して、その内部構造(燃料タンク)を示している。
図3は、本実施の形態1に係る燃料タンクの製造方法を模式的に示す工程図である。
次に、実施の形態1における変形例1の燃料タンクについて、説明する。
図4は、本実施の形態1における変形例1の燃料タンクの要部断面図である。
図5は、本実施の形態1における変形例1の燃料タンクの製造方法を模式的に示す工程図である。
本実施の形態2に係る宇宙機用燃料タンクは、宇宙機の推進用燃料を貯留する宇宙機用燃料タンクであって、炭素繊維強化プラスチック層と金属めっき層を備え、炭素繊維強化プラスチック層は、燃料タンクの内面側に、表面が研磨処理された研磨面を有し、金属めっき層は、燃料タンクの外面側に形成されている。
図6は、本実施の形態2に係る燃料タンクの要部断面図である。
図7は、本実施の形態2に係る燃料タンクの製造方法を模式的に示す工程図である。
本実施の形態3に係る宇宙機用燃料タンクは、宇宙機の推進用燃料を貯留する宇宙機用燃料タンクであって、炭素繊維強化プラスチック層と、炭素繊維強化プラスチック層における燃料タンクの内面側を被覆する金属めっき層と、を備え、金属めっき層は、燃料タンクの内面側に、表面が研磨処理された研磨面を有する。
図8は、本実施の形態3に係る燃料タンクの要部断面図である。
図9は、本実施の形態3に係る燃料タンクの製造方法を模式的に示す工程図である。
次に、本実施の形態3における変形例1の燃料タンクについて、説明する。
図10は、本実施の形態3における変形例1の燃料タンクの要部断面図である。
図11は、本実施の形態3における変形例1の燃料タンクの製造方法を模式的に示す工程図である。
本実施の形態4に係る宇宙機用燃料タンクは、宇宙機の推進用燃料を貯留する宇宙機用燃料タンクであって、炭素繊維強化プラスチック層と、炭素繊維強化プラスチック層における燃料タンクの内面側を被覆する金属めっき層と、を備え、金属めっき層は、その厚みが100μm以下となるように形成されている。
図12は、本実施の形態4に係る燃料タンクの要部断面図である。
図13は、本実施の形態4に係る燃料タンクの製造方法を模式的に示す工程図である。
次に、本実施の形態4における変形例1の燃料タンクについて、説明する。
図14は、本実施の形態4における変形例1の燃料タンクの要部断面図である。
図15は、本実施の形態4における変形例1の燃料タンクの製造方法を模式的に示す工程図である。
本実施の形態5に係る宇宙機用燃料タンクは、宇宙機の推進用燃料を貯留する宇宙機用燃料タンクであって、炭素繊維強化プラスチック層と、炭素繊維強化プラスチック層における燃料タンクの外面側を被覆する金属めっき層と、を備え、金属めっき層は、その厚みが100μm以下となるように形成されている。
図16は、本実施の形態5に係る燃料タンクの要部断面図である。
図17は、本実施の形態5に係る燃料タンクの製造方法を模式的に示す工程図である。
100A 本体部
100B 第1蓋部
100C 第2蓋部
101 炭素繊維強化プラスチック層
101A 表面
101B 表面
102 金属めっき層
102A 表面
103 金属めっき層
200 ロケット
Claims (11)
- 宇宙機の推進用燃料を貯留する宇宙機用燃料タンクであって、
炭素繊維強化プラスチック層と金属めっき層を備え、
前記炭素繊維強化プラスチック層は、前記燃料タンクの内面側に、表面が研磨処理された研磨面を有し、
前記金属めっき層は、前記研磨面上に形成されていて、
前記研磨処理は、200〜2000番手の研磨器で研磨する処理である、宇宙機用燃料タンク。 - 宇宙機の推進用燃料を貯留する宇宙機用燃料タンクであって、
炭素繊維強化プラスチック層と金属めっき層を備え、
前記炭素繊維強化プラスチック層は、前記燃料タンクの内面側に、表面が研磨処理された研磨面を有し、
前記金属めっき層は、前記燃料タンクの外面側に形成されていて、
前記研磨処理は、200〜2000番手の研磨器で研磨する処理である、宇宙機用燃料タンク。 - 前記金属めっき層は、その厚みが100μm以下となるように形成されている、請求項1又は2に記載の宇宙機用燃料タンク。
- 前記金属めっき層は、無電解ニッケルめっき処理後に銅めっき処理を実行することにより形成される、請求項1〜3のいずれか1項に記載の宇宙機用燃料タンク。
- 宇宙機の推進用燃料を貯留する宇宙機用燃料タンクであって、
炭素繊維強化プラスチック層と、
前記炭素繊維強化プラスチック層における前記燃料タンクの内面側を被覆する金属めっき層と、を備え、
前記金属めっき層は、前記燃料タンクの内面側に、表面が研磨処理された研磨面を有し、
前記研磨処理は、200〜2000番手の研磨器で研磨する処理である、宇宙機用燃料タンク。 - 前記金属めっき層は、その厚みが100μm以下となるように形成されている、請求項5に記載の宇宙機用燃料タンク。
- 前記金属めっき層は、無電解ニッケルめっき処理後に銅めっき処理を実行することにより形成される、請求項5又は6に記載の宇宙機用燃料タンク。
- 炭素繊維強化プラスチック層を備える宇宙機用燃料タンクの製造方法であって、
前記炭素繊維強化プラスチック層の表面を200〜2000番手の研磨器で研磨処理する(A)と、
前記(A)の後、前記炭素繊維強化プラスチック層の前記研磨処理された表面に、金属めっき層を形成する(B)と、
前記(B)により、前記金属めっき層が内面側に位置するように、前記炭素繊維強化プラスチック層を配置して、前記宇宙機用燃料タンクを製造する(C)と、を備える、宇宙機用燃料タンクの製造方法。 - 炭素繊維強化プラスチック層を備える宇宙機用燃料タンクの製造方法であって、
前記炭素繊維強化プラスチック層の表面を200〜2000番手の研磨器で研磨処理する(A)と、
前記(A)の後、前記炭素繊維強化プラスチック層の前記研磨処理された表面の反対側の面に、金属めっき層を形成する(B1)と、
前記(B1)により、前記金属めっき層が外面側に位置するように、前記炭素繊維強化プラスチック層を配置して、前記宇宙機用燃料タンクを製造する(C1)と、を備える、宇宙機用燃料タンクの製造方法。 - 炭素繊維強化プラスチック層を備える宇宙機用燃料タンクの製造方法であって、
前記炭素繊維強化プラスチック層の表面に金属めっき層を形成する(D)と、
前記(D)の後、前記金属めっき層を200〜2000番手の研磨器で研磨処理する(E)と、
前記(E)により研磨処理した面が内面側に位置するように、前記炭素繊維強化プラスチック層を配置して、前記宇宙機用燃料タンクを製造する(F)と、を備える、宇宙機用燃料タンクの製造方法。 - 前記金属めっき層は、その厚みが100μm以下となるように形成されている、請求項8〜10のいずれか1項に記載の宇宙機用燃料タンクの製造方法。
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