JP5955775B2 - 熱伝導部材 - Google Patents
熱伝導部材 Download PDFInfo
- Publication number
- JP5955775B2 JP5955775B2 JP2012544282A JP2012544282A JP5955775B2 JP 5955775 B2 JP5955775 B2 JP 5955775B2 JP 2012544282 A JP2012544282 A JP 2012544282A JP 2012544282 A JP2012544282 A JP 2012544282A JP 5955775 B2 JP5955775 B2 JP 5955775B2
- Authority
- JP
- Japan
- Prior art keywords
- ceramic body
- fluid
- cylindrical ceramic
- metal tube
- heat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229910052751 metal Inorganic materials 0.000 claims description 145
- 239000002184 metal Substances 0.000 claims description 145
- 239000012530 fluid Substances 0.000 claims description 102
- 239000000919 ceramic Substances 0.000 claims description 97
- 239000000463 material Substances 0.000 claims description 49
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 49
- 230000002093 peripheral effect Effects 0.000 claims description 47
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 46
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 40
- 229910002804 graphite Inorganic materials 0.000 claims description 40
- 239000010439 graphite Substances 0.000 claims description 40
- 238000005192 partition Methods 0.000 claims description 36
- 238000010438 heat treatment Methods 0.000 claims description 13
- 239000002905 metal composite material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 description 21
- 239000007789 gas Substances 0.000 description 17
- 238000012546 transfer Methods 0.000 description 15
- 230000035882 stress Effects 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 9
- 239000000843 powder Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 5
- 239000003054 catalyst Substances 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 239000004927 clay Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 238000005238 degreasing Methods 0.000 description 3
- 229910001873 dinitrogen Inorganic materials 0.000 description 3
- 238000010304 firing Methods 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
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- 238000009434 installation Methods 0.000 description 3
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- 238000011084 recovery Methods 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 230000008646 thermal stress Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 2
- -1 Si 3 N 4 Chemical compound 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 229910010293 ceramic material Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 239000012299 nitrogen atmosphere Substances 0.000 description 2
- 229910000510 noble metal Inorganic materials 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- 229910052772 Samarium Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000003522 acrylic cement Substances 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- ZMIGMASIKSOYAM-UHFFFAOYSA-N cerium Chemical compound [Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce] ZMIGMASIKSOYAM-UHFFFAOYSA-N 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 239000010955 niobium Substances 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920006254 polymer film Polymers 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000013074 reference sample Substances 0.000 description 1
- 239000003870 refractory metal Substances 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- KZUNJOHGWZRPMI-UHFFFAOYSA-N samarium atom Chemical compound [Sm] KZUNJOHGWZRPMI-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Images
Classifications
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
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- B01D46/2425—Honeycomb filters characterized by parameters related to the physical properties of the honeycomb structure material
- B01D46/24494—Thermal expansion coefficient, heat capacity or thermal conductivity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/10—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically
- F28D7/106—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically consisting of two coaxial conduits or modules of two coaxial conduits
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- B01D46/2425—Honeycomb filters characterized by parameters related to the physical properties of the honeycomb structure material
- B01D46/2429—Honeycomb filters characterized by parameters related to the physical properties of the honeycomb structure material of the honeycomb walls or cells
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- B01D46/2425—Honeycomb filters characterized by parameters related to the physical properties of the honeycomb structure material
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- B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/56—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides
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- C04B37/008—Joining burned ceramic articles with other burned ceramic articles or other articles by heating by means of an interlayer consisting of an organic adhesive, e.g. phenol resin or pitch
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- C04B37/02—Joining burned ceramic articles with other burned ceramic articles or other articles by heating with metallic articles
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- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/16—Selection of particular materials
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- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/05—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of air, e.g. by mixing exhaust with air
- F01N3/055—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of air, e.g. by mixing exhaust with air without contact between air and exhaust gases
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- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
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- F28D21/0001—Recuperative heat exchangers
- F28D21/0003—Recuperative heat exchangers the heat being recuperated from exhaust gases
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- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
- F28F13/003—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by using permeable mass, perforated or porous materials
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- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/04—Constructions of heat-exchange apparatus characterised by the selection of particular materials of ceramic; of concrete; of natural stone
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- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2260/00—Exhaust treating devices having provisions not otherwise provided for
- F01N2260/02—Exhaust treating devices having provisions not otherwise provided for for cooling the device
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
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- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/04—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust using liquids
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- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/04—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust using liquids
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- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
- F01N3/28—Construction of catalytic reactors
- F01N3/2882—Catalytic reactors combined or associated with other devices, e.g. exhaust silencers or other exhaust purification devices
- F01N3/2889—Catalytic reactors combined or associated with other devices, e.g. exhaust silencers or other exhaust purification devices with heat exchangers in a single housing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
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- F28F2265/26—Safety or protection arrangements; Arrangements for preventing malfunction for allowing differential expansion between elements
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- F28F2275/00—Fastening; Joining
- F28F2275/12—Fastening; Joining by methods involving deformation of the elements
- F28F2275/127—Fastening; Joining by methods involving deformation of the elements by shrinking
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Description
[3] 前記筒状セラミックス体は、緻密体構造である前記[1]または[2]に記載の熱伝導部材。
[4] 前記筒状セラミックス体は、Si含浸SiC、(Si+Al)含浸SiC、金属複合SiC、Si3N4、及びSiCから選ばれる少なくとも1種から形成された、緻密体構造である前記[3]に記載の熱伝導部材。
[5] 前記筒状セラミックス体は、Si−SiC系材料からなる前記[3]に記載の熱伝導部材。
d+2×c−975×β×d<D<d+2×c−125×(β−α)×d
となるように設定することが好ましい。
次に、本発明の熱伝導部材10の製造方法を説明する。まず、平均粒径の異なるSiC粉末を混ぜ合わせて、SiC粉末の混合物を調製する。このSiC粉末の混合物に、バインダー、水を混ぜ合わせ、ニーダーを用いて混練することにより、混練物を得る。この混練物を真空土練機に投入し、円柱状の坏土を作製する。
(坏土の作製)
まず、平均粒径45μmのSiC粉末70質量%と、平均粒径35μmのSiC粉末10重量%と、平均粒径5μmのSiC粉末20重量%と、を混ぜ合わせて、SiC粉末の混合物を調製した。このSiC粉末の混合物100質量部に、バインダー4質量部、水を混ぜ合わせ、ニーダーを用いて混練することにより、混練物を得た。この混練物を真空土練機に投入し、円柱状の坏土を作製した。
次に、坏土を押出成形してハニカム成形体を形成した。押出成形では、適当な形態の口金や治具を選択することにより、外周壁の形状や厚さ、隔壁の厚さ、セルの形状、セル密度などを所望のものにした。口金は、摩耗し難い超硬合金で作られたものを用いた。ハニカム成形体については、外周壁を円筒形状または中空の四角柱形状とし、外周壁の内部を隔壁により四角形の格子状に区分された構造となるように形成した。また、これらの隔壁については、互いに直交する方向のそれぞれで等間隔に並行し、かつ、真っすぐに外周壁の内部を横切るように形成した。これにより、外周壁の内部の最外周部以外にあるセルの断面形状を正方形にした。
次に、押出成形により得たハニカム成形体の乾燥を行った。まず、ハニカム成形体を電磁波加熱方式で乾燥し、続いて、外部加熱方式で乾燥を行った。こうした二段階の乾燥により、乾燥前のハニカム成形体に含まれる全水分量の97%以上に相当する水分をハニカム成形体から除去した。
次に、ハニカム成形体に対して窒素雰囲気で500℃、5時間の脱脂を行った。さらに、こうした脱脂により得られたハニカム構造体の上に金属Siの塊を載せ、真空中または減圧の不活性ガス中で、1450℃、4時間、焼成をした。この焼成中に、ハニカム構造体の上に載せた金属Siの塊を融解させ、外周壁や隔壁に金属Siを含浸させた。外周壁や隔壁の熱伝導率を150W/m・Kにする場合には、ハニカム構造体100質量部に対して80質量部の金属Siの塊を使用した。
d+2×c−975×β×d<D<d+2×c−125×(β−α)×d
となるものを用いた。
比較対象(基準試料)として金属管12で被覆しない筒状セラミックス体11(ハニカム構造体1)単体を用意した。筒状セラミックス体11は、実施例1と同じものである。
実施例1と同様にして、グラファイトシートの中間材13を有しない筒状セラミックス体11(ハニカム構造体1)と金属管12とからなる熱伝導部材を作製した。
実施例1、参考例1、比較例1の試料について、300℃に加熱した第一の流体を熱伝導部材10のハニカム構造体1のセル3中を通過させたときの第二の流体への伝熱効率を測定した。具体的には、以下のように行った。ハニカム構造体1の第一流体流通部5に窒素ガスを流し、ケーシング21内の第二流体流通部6に(冷却)水を流した。第一の流体、第二の流体のハニカム構造体1への入口温度、流量は全て同一条件とした。第一の流体の、300℃の窒素ガス(N2)を、ハニカム構造体1に対する流量を7.6L/sとして流した。また、第二の流体の(冷却)水を、ハニカム構造体1に対する流量を10L/minとして流した。実施例1は、第一の流体の流路となる熱伝導部材10の外周側に第二の流体の流路があるものを用いたものである(図14参照)。
表1に伝熱効率を示す。伝熱効率(%)は、第一の流体(窒素ガス)及び第二の流体(水)のΔT℃(ハニカム構造体1の出口温度−入口温度)から其々エネルギー量を算出し、式1で計算した。
(式1) 伝熱効率(%)=(第一の流体(ガス)の入口温度−第一の流体(ガス)出口温度)/(第一の流体(ガス)の入口温度−第二の流体(冷却水)の入口温度)
さらに他の中間材13についても同様の伝熱効率試験を行い、伝熱効率を求めた。また、伝熱効率試験の後に、筒状セラミックス体11にクラックが発生しているか否かを調べた。表2に示す。表2の実施例1、参考例1、比較例1は、表1と同じものである。参考例1と比較例1以外は、筒状セラミックス体11+中間材13+金属管12である。参考例1は、筒状セラミックス体11単体、比較例1は、筒状セラミックス体11+金属管12で、中間材13無しである。
Claims (7)
- 一方の端面から他方の端面まで貫通し、加熱体である第一の流体が流通する流路を有する筒状セラミックス体と、
前記筒状セラミックス体の外周側に金属管と、
前記筒状セラミックス体と前記金属管との間に挟み込まれ、前記筒状セラミックス体と前記金属管との少なくとも一部に接触しており、少なくとも一部がヤング率150GPa以下であり、少なくとも一部の熱伝導率が1W/m・K以上である材質からなる中間材と、を備え、
前記筒状セラミックス体は、隔壁及び外周壁を有し、前記隔壁によって、流体の流路となる多数のセルが区画形成されたハニカム構造体であり、
前記中間材は、前記グラファイトシートから成っており、厚み方向のヤング率が1GPa以下、厚み方向の熱伝導率が3W/m・K以上であり、
前記筒状セラミックス体の内部に前記第一の流体を、前記金属管の外周面側に前記第一の流体よりも低温の第二の流体を流通させ、前記第一の流体と前記第二の流体との熱交換を行う熱伝導部材。 - 前記筒状セラミックス体は、熱伝導率が100W/m・K以上である請求項1に記載の熱伝導部材。
- 前記筒状セラミックス体は、緻密体構造である請求項1または2に記載の熱伝導部材。
- 前記筒状セラミックス体は、Si含浸SiC、(Si+Al)含浸SiC、金属複合SiC、Si3N4、及びSiCから選ばれる少なくとも1種から形成された、緻密体構造である請求項3に記載の熱伝導部材。
- 前記筒状セラミックス体は、Si−SiC系材料からなる請求項3に記載の熱伝導部材。
- 前記筒状セラミックス体は、多孔質体からなる前記隔壁を有し、前記隔壁によって、流体の前記流路となる多数の前記セルが区画形成された前記ハニカム構造体である請求項1または2に記載の熱伝導部材。
- 前記ハニカム構造体は、主成分が炭化珪素である請求項6に記載の熱伝導部材。
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PCT/JP2011/076430 WO2012067156A1 (ja) | 2010-11-18 | 2011-11-16 | 熱伝導部材 |
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JP6145001B2 (ja) * | 2012-08-30 | 2017-06-07 | 日本碍子株式会社 | 熱伝導部材の製造方法 |
JP6279256B2 (ja) * | 2012-08-30 | 2018-02-14 | 日本碍子株式会社 | 熱伝導部材の製造方法、熱伝導部材製造装置、及び熱伝導部材製造用冶具 |
JP2014070826A (ja) * | 2012-09-28 | 2014-04-21 | Ngk Insulators Ltd | 熱交換部材、および熱交換器 |
JP6043183B2 (ja) * | 2012-12-27 | 2016-12-14 | 日本碍子株式会社 | 熱交換部材 |
JP6219705B2 (ja) * | 2013-12-18 | 2017-10-25 | 日本碍子株式会社 | 熱伝導部材の製造方法 |
JP6510283B2 (ja) * | 2014-03-31 | 2019-05-08 | 日本碍子株式会社 | 熱交換部材製造装置、および製造方法 |
JP6325674B2 (ja) * | 2014-07-29 | 2018-05-16 | 京セラ株式会社 | 熱交換器 |
WO2016148966A1 (en) * | 2015-03-13 | 2016-09-22 | Corning Incorporated | Honeycomb assembly and packaging system |
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US20130248159A1 (en) | 2013-09-26 |
CN103221772B (zh) | 2016-08-31 |
US9739540B2 (en) | 2017-08-22 |
EP2642231A1 (en) | 2013-09-25 |
EP2642231A4 (en) | 2014-12-03 |
EP2642231B1 (en) | 2018-02-28 |
WO2012067156A1 (ja) | 2012-05-24 |
JPWO2012067156A1 (ja) | 2014-05-12 |
CN103221772A (zh) | 2013-07-24 |
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