JP4684645B2 - 構造耐久性に優れた触媒担持用メタル担体 - Google Patents
構造耐久性に優れた触媒担持用メタル担体 Download PDFInfo
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- JP4684645B2 JP4684645B2 JP2004370777A JP2004370777A JP4684645B2 JP 4684645 B2 JP4684645 B2 JP 4684645B2 JP 2004370777 A JP2004370777 A JP 2004370777A JP 2004370777 A JP2004370777 A JP 2004370777A JP 4684645 B2 JP4684645 B2 JP 4684645B2
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- Prior art keywords
- honeycomb body
- joint
- foil
- joining
- metal carrier
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- 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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- 239000002184 metal Substances 0.000 title claims description 54
- 229910052751 metal Inorganic materials 0.000 title claims description 54
- 239000003054 catalyst Substances 0.000 title claims description 9
- 239000011888 foil Substances 0.000 claims description 95
- 238000005304 joining Methods 0.000 claims description 54
- 230000002093 peripheral effect Effects 0.000 claims description 27
- 229910002060 Fe-Cr-Al alloy Inorganic materials 0.000 claims description 10
- 230000004323 axial length Effects 0.000 claims description 5
- 238000004804 winding Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 21
- 229910001220 stainless steel Inorganic materials 0.000 description 15
- 239000010935 stainless steel Substances 0.000 description 12
- 230000000694 effects Effects 0.000 description 9
- 210000001503 joint Anatomy 0.000 description 9
- 230000008646 thermal stress Effects 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 8
- 230000003197 catalytic effect Effects 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 230000010349 pulsation Effects 0.000 description 4
- 239000000969 carrier Substances 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 230000036760 body temperature Effects 0.000 description 2
- 238000005219 brazing Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Description
2 ハニカム体
3 外筒
4 入側接合部
5 外周接合部
6 ハニカム体と外筒の接合部
7 出側接合部
8 参考中間接合部
9、11 参考中間接合部
10、12 非接合部
13 中間接合部
14 剛性が少ない部分
15 第2の中間接合部
Claims (5)
- 金属箔を巻き回してなる全長100mmのハニカム体とその外周面を囲む金属外筒との少なくとも一部を接合してなるメタル担体において、前記ハニカム体を構成する箔同士の接合部が、外周接合部、入側接合部、及び複数の中間接合部から構成され、前記外周接合部がハニカム体の最外周から径方向に2層以上総層数の1/3以下まで、ハニカム体の軸方向全長に亘って接合され、前記入側接合部がハニカム体の排ガス入側端部から5mm以上軸方向長さの70%以下まで、ハニカム体の径方向全層に亘って接合され、各々の中間接合部は、外周接合部あるいは隣接する別の中間接合部から少なくとも1層間隔をあけた内側から内周側2〜10層まで、前記入側接合部から連続して軸方向全長に亘って接合されてなることを特徴とする構造耐久性に優れた触媒担持用メタル担体。
- 前記外周接合部及び各中間接合部の一部を飛び飛びに接合する複数の第2の中間接合部をさらに形成してなる請求項1に記載の触媒担持用メタル担体。
- 前記ハニカム体と金属外筒が、ハニカム体軸方向長さの10〜50%で接合されてなる請求項1または2に記載の触媒担持用メタル担体。
- 前記金属箔がFe−Cr−Al系金属箔であって、Al濃度が質量%で4.5%以上10%以下であることを特徴とする請求項1〜3のいずれかに記載の触媒担持用メタル担体。
- 前記金属箔がFe−Cr−Al系金属箔であって、Al濃度が質量%で6.5%以上9% 以下であることを特徴とする請求項1〜3のいずれかに記載の触媒担持用メタル担体。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004370777A JP4684645B2 (ja) | 2004-12-22 | 2004-12-22 | 構造耐久性に優れた触媒担持用メタル担体 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004370777A JP4684645B2 (ja) | 2004-12-22 | 2004-12-22 | 構造耐久性に優れた触媒担持用メタル担体 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006175346A JP2006175346A (ja) | 2006-07-06 |
JP4684645B2 true JP4684645B2 (ja) | 2011-05-18 |
Family
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Application Number | Title | Priority Date | Filing Date |
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JP2004370777A Expired - Fee Related JP4684645B2 (ja) | 2004-12-22 | 2004-12-22 | 構造耐久性に優れた触媒担持用メタル担体 |
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JP (1) | JP4684645B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5199291B2 (ja) * | 2010-02-03 | 2013-05-15 | 新日鉄住金マテリアルズ株式会社 | 触媒担体 |
CN105705237B (zh) * | 2014-02-12 | 2018-01-30 | 新日铁住金高新材料股份有限公司 | 催化剂承载用基材 |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6342356A (ja) * | 1986-08-06 | 1988-02-23 | Kawasaki Steel Corp | 耐酸化性に優れたFe−Cr−高Al系合金とその製造方法 |
JPS6345351A (ja) * | 1986-04-21 | 1988-02-26 | Kawasaki Steel Corp | 酸化スケ−ルの耐剥離性に優れたFe−Cr−Al系合金 |
WO1990003842A1 (en) * | 1988-10-04 | 1990-04-19 | Nippon Steel Corporation | Metal carrier having thermal fatigue resistance for automobile exhaust gas cleaning catalysts |
JPH02273549A (ja) * | 1989-04-14 | 1990-11-08 | Nippon Steel Corp | 良好な耐熱応力・耐熱疲労特性を有する自動車排ガス触媒用金属担体 |
JPH0471648A (ja) * | 1990-07-10 | 1992-03-06 | Nippon Steel Corp | 良好な耐久性を有する自動車排ガス触媒用金属担体 |
JPH04141558A (ja) * | 1990-10-03 | 1992-05-15 | Nippon Steel Corp | 自動車触媒担体用耐熱ステンレス箔 |
JPH04150948A (ja) * | 1990-10-12 | 1992-05-25 | Nippon Steel Corp | 間欠接合ハニカム部を有する排ガス浄化用触媒を担持する金属担体およびその製造方法 |
JPH04180838A (ja) * | 1990-11-13 | 1992-06-29 | Nippon Steel Corp | 耐熱応力・耐熱疲労特性の優れたレーストラック型自動車排ガス触媒用金属担体 |
JPH0596426U (ja) * | 1992-04-15 | 1993-12-27 | 新日本製鐵株式会社 | 排ガス浄化用メタル担体 |
JPH07171411A (ja) * | 1993-12-17 | 1995-07-11 | Usui Internatl Ind Co Ltd | メタル担体 |
JP2003080082A (ja) * | 2000-10-10 | 2003-03-18 | Nippon Steel Corp | ハニカム体の製造方法 |
-
2004
- 2004-12-22 JP JP2004370777A patent/JP4684645B2/ja not_active Expired - Fee Related
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6345351A (ja) * | 1986-04-21 | 1988-02-26 | Kawasaki Steel Corp | 酸化スケ−ルの耐剥離性に優れたFe−Cr−Al系合金 |
JPS6342356A (ja) * | 1986-08-06 | 1988-02-23 | Kawasaki Steel Corp | 耐酸化性に優れたFe−Cr−高Al系合金とその製造方法 |
WO1990003842A1 (en) * | 1988-10-04 | 1990-04-19 | Nippon Steel Corporation | Metal carrier having thermal fatigue resistance for automobile exhaust gas cleaning catalysts |
JPH02273549A (ja) * | 1989-04-14 | 1990-11-08 | Nippon Steel Corp | 良好な耐熱応力・耐熱疲労特性を有する自動車排ガス触媒用金属担体 |
JPH0471648A (ja) * | 1990-07-10 | 1992-03-06 | Nippon Steel Corp | 良好な耐久性を有する自動車排ガス触媒用金属担体 |
JPH04141558A (ja) * | 1990-10-03 | 1992-05-15 | Nippon Steel Corp | 自動車触媒担体用耐熱ステンレス箔 |
JPH04150948A (ja) * | 1990-10-12 | 1992-05-25 | Nippon Steel Corp | 間欠接合ハニカム部を有する排ガス浄化用触媒を担持する金属担体およびその製造方法 |
JPH04180838A (ja) * | 1990-11-13 | 1992-06-29 | Nippon Steel Corp | 耐熱応力・耐熱疲労特性の優れたレーストラック型自動車排ガス触媒用金属担体 |
JPH0596426U (ja) * | 1992-04-15 | 1993-12-27 | 新日本製鐵株式会社 | 排ガス浄化用メタル担体 |
JPH07171411A (ja) * | 1993-12-17 | 1995-07-11 | Usui Internatl Ind Co Ltd | メタル担体 |
JP2003080082A (ja) * | 2000-10-10 | 2003-03-18 | Nippon Steel Corp | ハニカム体の製造方法 |
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JP2006175346A (ja) | 2006-07-06 |
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