JP2021054088A - 複合部材 - Google Patents
複合部材 Download PDFInfo
- Publication number
- JP2021054088A JP2021054088A JP2020210574A JP2020210574A JP2021054088A JP 2021054088 A JP2021054088 A JP 2021054088A JP 2020210574 A JP2020210574 A JP 2020210574A JP 2020210574 A JP2020210574 A JP 2020210574A JP 2021054088 A JP2021054088 A JP 2021054088A
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- JP
- Japan
- Prior art keywords
- metal
- inorganic porous
- porous layer
- composite member
- layer
- 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.)
- Granted
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- 239000002131 composite material Substances 0.000 title claims abstract description 132
- 229910052751 metal Inorganic materials 0.000 claims abstract description 164
- 239000002184 metal Substances 0.000 claims abstract description 164
- 239000000919 ceramic Substances 0.000 claims abstract description 100
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 58
- 239000000835 fiber Substances 0.000 claims abstract description 53
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 49
- 239000010410 layer Substances 0.000 claims description 185
- 239000002245 particle Substances 0.000 claims description 83
- 239000011247 coating layer Substances 0.000 claims description 28
- 239000011241 protective layer Substances 0.000 description 68
- 239000002994 raw material Substances 0.000 description 31
- 239000000463 material Substances 0.000 description 30
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- 238000010304 firing Methods 0.000 description 17
- 238000000034 method Methods 0.000 description 16
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 14
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 10
- 230000002093 peripheral effect Effects 0.000 description 9
- 238000012546 transfer Methods 0.000 description 9
- 239000011230 binding agent Substances 0.000 description 7
- 239000000470 constituent Substances 0.000 description 7
- 239000002346 layers by function Substances 0.000 description 7
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- 238000000465 moulding Methods 0.000 description 7
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 6
- 229910044991 metal oxide Inorganic materials 0.000 description 6
- 150000004706 metal oxides Chemical class 0.000 description 6
- 229920000178 Acrylic resin Polymers 0.000 description 5
- 239000004925 Acrylic resin Substances 0.000 description 5
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
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- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910004298 SiO 2 Inorganic materials 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
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- 229910010413 TiO 2 Inorganic materials 0.000 description 3
- 230000000274 adsorptive effect Effects 0.000 description 3
- 229910010272 inorganic material Inorganic materials 0.000 description 3
- 239000011147 inorganic material Substances 0.000 description 3
- -1 lanthanum aluminate Chemical class 0.000 description 3
- 230000000873 masking effect Effects 0.000 description 3
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- 229910001233 yttria-stabilized zirconia Inorganic materials 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910021193 La 2 O 3 Inorganic materials 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
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- 229910052742 iron Inorganic materials 0.000 description 2
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- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
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- 238000005192 partition Methods 0.000 description 2
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- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 2
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- 239000005995 Aluminium silicate Substances 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
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- 229910020068 MgAl Inorganic materials 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
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- 239000004793 Polystyrene Substances 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000000443 aerosol Substances 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
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 239000005388 borosilicate glass Substances 0.000 description 1
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- 238000005266 casting Methods 0.000 description 1
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- 239000004927 clay Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
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- 238000005336 cracking Methods 0.000 description 1
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- JSKIRARMQDRGJZ-UHFFFAOYSA-N dimagnesium dioxido-bis[(1-oxido-3-oxo-2,4,6,8,9-pentaoxa-1,3-disila-5,7-dialuminabicyclo[3.3.1]nonan-7-yl)oxy]silane Chemical compound [Mg++].[Mg++].[O-][Si]([O-])(O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2)O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2 JSKIRARMQDRGJZ-UHFFFAOYSA-N 0.000 description 1
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
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- 238000011156 evaluation Methods 0.000 description 1
- 229910052839 forsterite Inorganic materials 0.000 description 1
- 229910000856 hastalloy Inorganic materials 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 229910001026 inconel Inorganic materials 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 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 1
- 229910000833 kovar Inorganic materials 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052863 mullite Inorganic materials 0.000 description 1
- 229910052575 non-oxide ceramic Inorganic materials 0.000 description 1
- 239000011225 non-oxide ceramic Substances 0.000 description 1
- 229910002077 partially stabilized zirconia Inorganic materials 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
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- 238000007639 printing Methods 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000008279 sol Substances 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229910002076 stabilized zirconia Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- VEALVRVVWBQVSL-UHFFFAOYSA-N strontium titanate Chemical compound [Sr+2].[O-][Ti]([O-])=O VEALVRVVWBQVSL-UHFFFAOYSA-N 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000007751 thermal spraying Methods 0.000 description 1
- 230000000930 thermomechanical effect Effects 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- RUDFQVOCFDJEEF-UHFFFAOYSA-N yttrium(III) oxide Inorganic materials [O-2].[O-2].[O-2].[Y+3].[Y+3] RUDFQVOCFDJEEF-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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Abstract
Description
式1:0.5<α1/α2<1.2
式1:0.5<α1/α2<1.2
図1から図3を参照し、複合部材10について説明する。複合部材10は、SUS430製の管状の金属(金属管)2の内面に多孔質保護層4を備えている。多孔質保護層4は、無機多孔質層の一例である。多孔質保護層4は、金属2の内面に接合している(図1及び図2を参照)。複合部材10は、金属2の外面をマスキングした状態で、金属2を原料スラリーに浸漬し、乾燥、焼成を行って製造した。原料スラリーは、アルミナ繊維(平均繊維長140μm)と、板状アルミナ粒子(平均粒子径6μm)と、チタニア粒子(平均粒子径0.25μm)と、アルミナゾル(アルミナ量1.1質量%)と、アクリル樹脂(平均粒子径8μm)と、エタノールを混合し、作成した。なお、原料スラリーは、粘度が2000mPa・sとなるように調整した。
以下、第2〜第8実施例の複合部材(複合部材210〜810)について説明する。複合部材210〜810は、複合部材10(及び10a〜10c)と比較して、金属の形状、多孔質保護層の形成位置または範囲、被覆層の有無が異なる。複合部材210〜810は、マスキングを施す位置、多孔質保護層の形成条件、及び、多孔質保護層を形成した後の焼成条件等を目的に合わせて調整したが、実質的に複合部材10と同じ工程を経て製造した。以下の説明においては、複合部材10(及び10a〜10c)と共通する特徴については説明を省略することがある。
図14を参照し、上述した複合部材の使用例(熱伝導部材910)について説明する。なお、熱伝導部材910は、複合部材610(図11を参照)を用いているが、複合部材610に代えて、上述した他の複合部材を用いることもできる。熱伝導部材910では、多孔質保護層4は、金属2の裏面の全面に接合されているともに、金属2の表面の中間部分(長手方向の端部2aを除く部分)に接合されている。すなわち、金属2の表面については、端部2に多孔質保護層4が接合されていない。端部2aには発熱部20及び放熱部22が接合されている。発熱部20で受熱した熱は、金属2を移動し、放熱部22(放熱板)で放熱される。熱伝導部材910は、表面(中間部分)及び裏面に多孔質保護層4が接合されているので、発熱部20と放熱部22の間において金属2からの放熱が抑制される。そのため、熱伝導部材910の表面近傍の空間30、及び、熱伝導部材910の裏面近傍の空間32に設けられている機器に熱が加わることを抑制することができる。
上記したように、多孔質保護層は、アルミナ繊維、板状アルミナ粒子、チタニア粒子、アルミナゾル、アクリル樹脂及びエタノールを混合した原料スラリーを作成し、金属を原料スラリーに浸漬させた後、乾燥及び焼成を行い作成した。本実験例では、アルミナ成分及びチタニア成分の量が多孔質保護層の特性に与える影響を確認するため、アルミナ繊維、板状アルミナ粒子及びチタニア粒子の割合を変化させ、焼成後の多孔質保護層の状態を確認した。
式2:気孔率[%]=全細孔容積/{(1/見掛け密度)+全細孔容積}×100
式3:多孔質保護層の嵩密度=見掛け密度×(1−気孔率[%]/100)
4:無機多孔質層
10:複合部材
Claims (12)
- 金属の表面に無機多孔質層が設けられている複合部材であって、
無機多孔質層は、
セラミック繊維を含み、
15質量%以上のアルミナ成分と45質量%以上のチタニア成分によって構成されている、複合部材。 - 前記金属の熱伝導率が、無機多孔質層の熱伝導率の100倍以上である請求項1に記載の複合部材。
- 無機多孔質層の熱伝導率が、0.05W/mK以上3W/mK以下である請求項2に記載の複合部材。
- 前記金属の熱伝導率が、10W/mK以上400W/mK以下である請求項2または3に記載の複合部材。
- 無機多孔質層の熱膨張係数をα1とし、前記金属の熱膨張係数をα2としたときに、下記式(1)を満足する請求項1から4のいずれか一項に記載の複合部材。
0.5<α1/α2<1.2 (1) - 無機多孔質層に、板状セラミックス粒子が含まれている請求項1から5のいずれか一項に記載の複合部材。
- 無機多孔質層に、0.1μm以上10μm以下の粒状粒子が含まれている請求項1から6のいずれか一項に記載の複合部材。
- 無機多孔質層の厚みが1mm以上である請求項1から7のいずれか一項に記載の複合部材。
- 前記金属が板状である請求項1から8のいずれか一項に記載の複合部材。
- 前記金属が管状である請求項1から8のいずれか一項に記載の複合部材。
- 前記金属が線状である請求項1から8のいずれか一項に記載の複合部材。
- 無機多孔質層の前記金属が設けられている面とは反対側の面に、被覆層が設けられている請求項1から11のいずれか一項に記載の複合部材。
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