JP6415780B2 - 断熱部材 - Google Patents
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- JP6415780B2 JP6415780B2 JP2018504961A JP2018504961A JP6415780B2 JP 6415780 B2 JP6415780 B2 JP 6415780B2 JP 2018504961 A JP2018504961 A JP 2018504961A JP 2018504961 A JP2018504961 A JP 2018504961A JP 6415780 B2 JP6415780 B2 JP 6415780B2
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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
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- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
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- F16L59/14—Arrangements for the insulation of pipes or pipe systems
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- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
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Description
前記第1対象物の材質と前記第2対象物の材質とは同じであってもよく、異なってもよい。一例では、前記第1対象物または前記第2対象物は樹脂である。他の例では、前記第1対象物または前記第2対象物はガラスである。
後に支持板から取り外されて回収される。成形体を焼成することにより、板状の焼結体が形成される。焼成条件は原則としてテープ成形の場合と同様であるが、必要に応じて適宜調整される。その後、焼結体はシート12上に貼着され、既述の手法にて焼結体の分割が行われる。なお、成形体の成形には、セラミックス製造における様々な他の手法も利用することができる。例えば、プレス成形、射出成形、鋳込み成形等も利用可能である。
・異種材料の原料粒径が小さいほど、異種材料が均一に分散し、幅の大きいネック部が多く形成され易い。
・異種材料の量が多いほどネック部の幅は大きくなり易い。
・複数種類の異種材料を添加すると、ネック部の幅は大きくなり易い。
・異種材料の種類によってネック部の幅に差が生じ、SiO2、TiO2、La2O3、Y2O3のうち、SiO2の添加でネック部の幅が最も大きくなり、続いて、TiO2、La2O3の順でネック部の幅が小さくなり、La2O3とY2O3とではネック部の幅はほぼ同様である。
・焼成温度が高いほど、ZrO2の平均粒子径は大きくなり、ネック部の幅は大きくなる。
・焼成時間が長いほど、ZrO2の平均粒子径は大きくなり、ネック部の幅は大きくなる。
・ネック部の幅が大きいほど、対象物に挟まれたときに変形しないが、断熱性は悪くなる。すなわち、ネック部を熱が伝わり易くなる。
・ZrO2の原料粒子の平均粒子径が小さいほど、焼成後のZrO2粒子の平均粒子径は小さくなる。
20 骨格
21 ZrO2粒子
24 ネック部(粒子同士の接続部)
91 第1対象物
92 第2対象物
161 第1主面
162 第2主面
Claims (12)
- 第1対象物と第2対象物との間に直接的または間接的に挟まれることにより、前記第1対象物と前記第2対象物との間における伝熱を抑制または遮断する断熱部材であって、
前記第1対象物に対向する第1主面と、
前記第1主面とは反対側に位置し、前記第2対象物に対向する第2主面と、
を備え、
気孔を有するセラミックの多孔質構造を有し、
ZrO2粒子、および、前記ZrO2粒子の表面に存在する異種材料が、前記多孔質構造の骨格を形成し、
前記異種材料が、SiO2、TiO2、La2O3およびY2O3から選択された少なくとも1つを含み、
前記ZrO 2 粒子の平均粒子径は、10nm以上1μm以下であり、
前記多孔質構造における平均気孔径は、0.5nm以上500nm以下である。 - 請求項1に記載の断熱部材であって、
前記ZrO2粒子に対する前記異種材料の量が、0.1体積%以上30体積%以下である。 - 請求項1または2に記載の断熱部材であって、
前記骨格において、ZrO2の粒子同士の接続部における最小幅の平均が、前記ZrO2粒子の平均粒子径の40%以上100%以下である。 - 請求項1ないし3のいずれかに記載の断熱部材であって、
前記第1対象物および前記第2対象物に挟まれた場合に、前記第1対象物および前記第2対象物から圧縮力が作用する。 - 請求項1ないし4のいずれかに記載の断熱部材であって、
圧縮強度が、10MPa以上1000MPa以下である。 - 請求項1ないし5のいずれかに記載の断熱部材であって、
ヤング率が、2GPa以上200GPa以下である。 - 請求項1ないし6のいずれかに記載の断熱部材であって、
熱伝導率が、0.1W/mK以上1.5W/mK以下である。 - 請求項1ないし7のいずれかに記載の断熱部材であって、
熱容量が、500kJ/m3K以上2000kJ/m3K以下である。 - 請求項1ないし8のいずれかに記載の断熱部材であって、
前記第1対象物の材質と前記第2対象物の材質とが同じである。 - 請求項1ないし8のいずれかに記載の断熱部材であって、
前記第1対象物の材質と前記第2対象物の材質とが異なる。 - 請求項1ないし10のいずれかに記載の断熱部材であって、
前記第1対象物または前記第2対象物が樹脂である。 - 請求項1ないし11のいずれかに記載の断熱部材であって、
前記第1対象物または前記第2対象物がガラスである。
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Application Number | Priority Date | Filing Date | Title |
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JP2016165764 | 2016-08-26 | ||
JP2016165764 | 2016-08-26 | ||
PCT/JP2017/023608 WO2018037707A1 (ja) | 2016-08-26 | 2017-06-27 | 断熱部材 |
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JP2018187707A Division JP2019027598A (ja) | 2016-08-26 | 2018-10-02 | 断熱部材 |
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JP6415780B2 true JP6415780B2 (ja) | 2018-10-31 |
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JP2018504961A Active JP6415780B2 (ja) | 2016-08-26 | 2017-06-27 | 断熱部材 |
JP2018187707A Pending JP2019027598A (ja) | 2016-08-26 | 2018-10-02 | 断熱部材 |
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US (1) | US11572315B2 (ja) |
EP (1) | EP3505805B1 (ja) |
JP (2) | JP6415780B2 (ja) |
CN (1) | CN109642696B (ja) |
WO (1) | WO2018037707A1 (ja) |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH092881A (ja) * | 1995-06-15 | 1997-01-07 | Riboole:Kk | 発泡セラミック成形板 |
CA2171038C (en) | 1995-03-15 | 2001-05-15 | Mitsuo Minagawa | Expanded ceramic molded plate |
WO2005091902A2 (en) * | 2004-03-03 | 2005-10-06 | Intellectual Property Holdings, Llc | Highly insulated exhaust manifold |
JP4304276B2 (ja) * | 2004-03-31 | 2009-07-29 | 独立行政法人産業技術総合研究所 | 高圧装置の効率的な断熱方法及び装置 |
KR200374253Y1 (ko) * | 2004-11-04 | 2005-01-27 | 주식회사 엘지화학 | 경량 세라믹 샌드위치 패널 |
US20070082131A1 (en) * | 2005-10-07 | 2007-04-12 | Sulzer Metco (Us), Inc. | Optimized high purity coating for high temperature thermal cycling applications |
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