KR890008346A - 산화물 위스커로 피복된 페라이트 스테인리스강의 제조방법 - Google Patents
산화물 위스커로 피복된 페라이트 스테인리스강의 제조방법 Download PDFInfo
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Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 실시예 1에서 얻은 스테인리스강 SUS430의 표면상의 산화물 위스커(Al2O3)의 성장을 나타낸 주사형 전자현미경사진.
제2도는 실시예 2에서 얻은 스테인리스강(18% Cr-2.5% Al)의 표면상의 산화물 위스커(Al2O3)의 성장을 나타낸 주사형 전자현미경사진.
Claims (15)
- 산화물 위스커로 피복된 페라이트 스테인리스강의 제조방법에 있어서, 알미늄으로 스테인리스강 표면을 도금하고, 상기 알미늄을 진공 또는 비산화성 가스중에서 가열하여 상기 스테인리스강내로 확산시켜 상기 페라이트상으로 변화시키고 대기중에서 가열시켜 산화물 위스커를 거기에 성장시키는 것을 특징으로 하는 산화물 위스커로 피복된 페라이트 스테인리스강의 제조방법.
- 제1항에 있어서, 상기 페라이트 스테인리스강은 저알미늄 함유의 것 즉, 3% 이하의 알루미늄을 함유하는 것을 특징으로 하는 산화물 위스커로 피복된 페라이트 스테인리스강의 제조방법.
- 제1항 또는 2항에 있어서, 상기 페라이트 스테인리스강이 저알미늄함유의 것으로 10~30%의 크롬과 3% 이하의 알루미늄을 함유하는 것을 특징으로 하는 산화물 위스커로 피복된 페라이트 스테인리스강의 제조방법.
- 제1~3항중 어느 항에 있어서, 상기 페라이트 스테인리스강이 박상인 것을 특징으로 하는 산화물 위스커로 피복된 페라이트 스테인리스강의 제조방법.
- 제1~4항중 어느 항에 있어서, 상기 알미늄도금이 기계적 도금법에 의해서, 알미늄 또는 알미늄합금 부러슈로 행해지는 것을 특징으로 하는 산화물 위스커로 피복된 페라이트 스테인리스강의 제조방법.
- 제1~4항중 어느 항에 있어서, 상기 알미늄도금이 기계적 도금법에 의해서 알미늄 또는 알미늄 블록을 도금금속으로서 사용하여 행해지는 것을 특징으로 하는 산화물 위스커로 피복된 페라이트 스테인리스강의 제조방법.
- 산화물 위스커로 피복된 페라이트 스테인리스강의 제조방법에 있어서, 페라이트 스테인리스강 표면에 기계적 도금법에 의해서 알미늄을 도금하고, 상기 페라이트 스테인스강을 냉각압연하여 박으로 만들고, 상기 박의 표면을 고알미늄 함유 페라트 상으로 변화시키기 위하여 상기 알미늄내를 상기 박내에 확산되도록 전공 또는 비산화성가스중에서 상기 박을 가열시키고, 그 표면에 산화물 위스커가 성장되도록 상기 박을 재가열시키는 것을 특징으로 하는 산화물 위스커로 피복된 페라이트 스테인리스강의 제조방법.
- 산화물 위스커로 피복된 페라이트 스테인리스강의 제조방법에 있어서, 상기 페라이트 스테인리스강 표면에 기계적 도금법에 의해서 알미늄을 도금하고, 상기 페라이트 스테인리스강의 표면을 고알미늄 함유 페라이트 상으로 변화시키기 위하여 상기 페라이트 스페인리스강내로 알미늄이 확산되도록 진공 또는 비산화성 가스내에서 상기 페라이트 스테인리스강을 가열시키고, 상기 페라이트 스테인리스강을 냉각압연하여 박으로 만들고, 그 표면에 산화물 위스커가 성장되도록 재가열시키는 것을 특징으로 하는 산화물 위스커로 피복된 페라이트 스테인리스강의 제조방법.
- 제1~8항의 어느 항에 있어서, 상기 페라이트 스테인리스강내로 알미늄을 확산시키는 가열온도가 700~1200℃인 것을 특징으로 하는 산화물 위스커로 피복된 페라이트 스테인리스강의 제조방법.
- 제1~8항의 어느 항에 있어서, 상기 페라이트 스테인리스강 상에 상기 산화물 위스커를 성장시키는 가열온도가 850~950℃인 것을 특징으로 하는 산화물 위스커로 피복된 페라이트 스테인리스강의 제조방법.
- 상기 산화물 위스커가 제1~10항의 방법에 의해서 성장되는 θ-알미나로 되는 페라이트 스테인리스박.
- 제11항 기재의 θ-알미나 위스커로 피복된 페라이트 스테인리스강박을 촉매함침하는 자동차배기 콘버터에 사용되는 촉매담체.
- 적어도 표면이 초기에 10-30%의 크롬(Cr)와 6-20%의 알미늄(Al)을 함유하는 Fe 기재금속을 산소분압 0.04atm의 분위기중에서 600~1100℃의 온도로 가열한 후에 대기중에서 850~975℃의 온도가열하여 Fe기재 금속상에 θ-Al2O3을 성장시키는 방법.
- 알미나 위스커로 피복된 페라이트 스테인리스강을 975~1200℃의 온도로 가열하는 것을 특징으로 하는 알미나 위스커의 성장 제어방법.
- 제14항에 있어서, 상리 알미나 위스커가 975℃ 이하의 온도의 산화분위기 중에서 성장되게 하는 알미나 위스커의 성장 제어방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62-299711 | 1987-11-30 | ||
JP62299711A JPH01142073A (ja) | 1987-11-30 | 1987-11-30 | 酸化物ウイスカーで被覆されたフェライトステンレス鋼の製造方法 |
JP63166959A JPH0219454A (ja) | 1988-07-06 | 1988-07-06 | 酸化物ウィスカーで被覆されたフェライトステンレス鋼箔の製造方法 |
JP63-166959 | 1988-07-06 | ||
JP63-166958 | 1988-07-06 | ||
JP63166958A JPH0699788B2 (ja) | 1988-07-06 | 1988-07-06 | アルミナウィスカー成長抑制方法 |
JP63221279A JPH0674200B2 (ja) | 1988-09-06 | 1988-09-06 | ウィスカー状θ―A▲l▼▲下2▼O▲下3▼の製造方法 |
JP63-221279 | 1988-09-06 |
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Publication Number | Publication Date |
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KR890008346A true KR890008346A (ko) | 1989-07-10 |
KR910009401B1 KR910009401B1 (ko) | 1991-11-15 |
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KR1019880015825A KR910009401B1 (ko) | 1987-11-30 | 1988-11-30 | 산화물 위스커(wisker)로 피복된 페라이트 스테인리스강의 제조방법 |
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US (2) | US5017544A (ko) |
EP (2) | EP0493373A2 (ko) |
KR (1) | KR910009401B1 (ko) |
DE (1) | DE3883722T2 (ko) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH02274864A (ja) * | 1989-04-17 | 1990-11-09 | Nippon Yakin Kogyo Co Ltd | ブレード状酸化物を有するフェライトステンレス鋼及びその製造方法 |
US5294586A (en) * | 1992-06-25 | 1994-03-15 | General Motors Corporation | Hydrogen-water vapor pretreatment of Fe-Cr-Al alloys |
JPH0630744A (ja) * | 1992-07-13 | 1994-02-08 | Ndc Co Ltd | 生鮮食品の鮮度保存材 |
JPH07112135A (ja) * | 1993-08-23 | 1995-05-02 | Sumitomo Electric Ind Ltd | 排気ガス浄化フィルタ材及びその製造方法 |
US5769966A (en) * | 1994-05-11 | 1998-06-23 | The United States Of America As Represented By The Department Of Energy | Insulator coating for high temperature alloys method for producing insulator coating for high temperature alloys |
JPH08117614A (ja) * | 1994-10-20 | 1996-05-14 | Matsushita Electric Ind Co Ltd | 触媒体およびその製造方法 |
DE69602226T2 (de) * | 1995-05-19 | 1999-08-19 | Daido Tokushuko K.K. | Eisenlegierung mit Fe-Al Diffusionsschicht und Verfahren zu ihrer Herstellung |
US6810575B1 (en) * | 1998-04-30 | 2004-11-02 | Asahi Kasai Chemicals Corporation | Functional element for electric, electronic or optical device and method for manufacturing the same |
DE19925390C1 (de) * | 1999-06-02 | 2000-08-03 | Emitec Emissionstechnologie | Katalysator-Trägerkörper für Zweirad- oder Dieselanwendungen |
CN100449033C (zh) * | 2006-03-22 | 2009-01-07 | 浙江达峰汽车技术有限公司 | 一种金属材料的预处理工艺 |
DE102010020450A1 (de) * | 2010-05-12 | 2011-11-17 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Verfahren zur Herstellung einer metallischen Trägerfläche für eine Abgasbehandlungseinheit |
DE102018212110A1 (de) | 2018-07-20 | 2020-01-23 | Alantum Europe Gmbh | Offenporiger Metallkörper mit einer Oxidschicht und Verfahren zu dessen Herstellung |
JP7539623B2 (ja) * | 2019-01-28 | 2024-08-26 | カーボノバ コーポレイション | 軽質炭化水素からカーボンナノファイバーを生産するための装置及び方法 |
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DE430016C (de) * | 1925-06-07 | 1926-06-07 | Heinrich Wachwitz | Aufbuersten von Aluminium auf Metalloberflaechen |
GB514371A (en) * | 1937-02-24 | 1939-11-06 | British Thomson Houston Co Ltd | Improvements in and relating to methods of treating ferrous metals |
US2752265A (en) * | 1951-07-24 | 1956-06-26 | Whitfield & Sheshunoff Inc | Method of producing a porous metal coat on a composite |
DE2114375A1 (en) * | 1971-03-25 | 1972-10-05 | Krupp Gmbh | Metal surface layer generation - by use of rubbing elements |
SE404065B (sv) * | 1972-11-30 | 1978-09-18 | Atomic Energy Authority Uk | Apparat for katalytisk rening av avgaser samt katalysator |
US4331631A (en) * | 1979-11-28 | 1982-05-25 | General Motors Corporation | Enhanced oxide whisker growth on peeled Al-containing stainless steel foil |
US4318828A (en) | 1980-08-15 | 1982-03-09 | General Motors Corporation | Enhanced oxide whisker growth on cold-rolled aluminum-containing stainless steel foil |
US4837091A (en) * | 1983-07-07 | 1989-06-06 | Inland Steel Company | Diffusion alloy steel foil |
US4588449A (en) * | 1984-12-03 | 1986-05-13 | General Motors Corporation | Oxide whisker growth on contaminated aluminum-containing stainless steel foil |
CA1245952A (en) * | 1985-05-14 | 1988-12-06 | Richard A. Nickola | Diffusion alloy steel foil |
US4686155A (en) * | 1985-06-04 | 1987-08-11 | Armco Inc. | Oxidation resistant ferrous base foil and method therefor |
JPS62299714A (ja) | 1986-06-19 | 1987-12-26 | Mitsutoyo Corp | 発電機能を備えた測定機 |
DE3726073C1 (de) * | 1987-08-06 | 1988-07-14 | Thyssen Edelstahlwerke Ag | Verfahren zur Herstellung von duennwandigem Halbzeug und dessen Verwendungen |
US4915751A (en) * | 1988-09-06 | 1990-04-10 | General Motors Corporation | Accelerated whisker growth on iron-chromium-aluminum alloy foil |
-
1988
- 1988-11-25 EP EP92105203A patent/EP0493373A2/en not_active Withdrawn
- 1988-11-25 EP EP88119686A patent/EP0318864B1/en not_active Expired - Lifetime
- 1988-11-25 DE DE88119686T patent/DE3883722T2/de not_active Expired - Fee Related
- 1988-11-29 US US07/277,649 patent/US5017544A/en not_active Expired - Fee Related
- 1988-11-30 KR KR1019880015825A patent/KR910009401B1/ko not_active IP Right Cessation
-
1989
- 1989-08-15 US US07/393,946 patent/US5055145A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0493373A3 (ko) | 1994-01-26 |
EP0318864B1 (en) | 1993-09-01 |
DE3883722D1 (de) | 1993-10-07 |
KR910009401B1 (ko) | 1991-11-15 |
EP0318864A1 (en) | 1989-06-07 |
US5017544A (en) | 1991-05-21 |
US5055145A (en) | 1991-10-08 |
DE3883722T2 (de) | 1994-02-24 |
EP0493373A2 (en) | 1992-07-01 |
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