KR100436153B1 - 내열금속섬유소결체 - Google Patents
내열금속섬유소결체 Download PDFInfo
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- KR100436153B1 KR100436153B1 KR1019960041889A KR19960041889A KR100436153B1 KR 100436153 B1 KR100436153 B1 KR 100436153B1 KR 1019960041889 A KR1019960041889 A KR 1019960041889A KR 19960041889 A KR19960041889 A KR 19960041889A KR 100436153 B1 KR100436153 B1 KR 100436153B1
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- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/10—Sintering only
- B22F3/11—Making porous workpieces or articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P17/00—Metal-working operations, not covered by a single other subclass or another group in this subclass
- B23P17/04—Metal-working operations, not covered by a single other subclass or another group in this subclass characterised by the nature of the material involved or the kind of product independently of its shape
- B23P17/06—Making steel wool or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F45/00—Wire-working in the manufacture of other particular articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/002—Manufacture of articles essentially made from metallic fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
- F28F3/025—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being corrugated, plate-like elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
- B22F2009/045—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling by other means than ball or jet milling
- B22F2009/046—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling by other means than ball or jet milling by cutting
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S83/00—Cutting
- Y10S83/913—Filament to staple fiber cutting
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/14—Shredding metal or metal wool article making
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/14—Shredding metal or metal wool article making
- Y10T29/142—Metal wool making
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49801—Shaping fiber or fibered material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T82/00—Turning
- Y10T82/10—Process of turning
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Powder Metallurgy (AREA)
- Inorganic Fibers (AREA)
Abstract
Description
Claims (13)
- (a) Fe-Cr-Al-REM계 스테인레스강 박판을 감은 코일재의 단면을 5 내지 40㎛/rev의 공구 이송 속도로 선삭하여 길이 방향과 직각의 단면이 구형상인 Fe-Cr-Al-REM계 스테인레스강의 연속 섬유속을 제조하는 단계와,(b) 상기 (a) 단계에서 형성된 Fe-Cr-Al-REM계 스테인레스강의 연속 섬유속을 폭 방향으로 넓히면서 롤러식 절단 장치로 절단하여 길이가 20 내지 200mm로 되는 Fe-Cr-Al-REM계 스테인레스강의 장섬유를 제조하는 단계와,(c) 상기 Fe-Cr-Al-REM계 스테인레스강 섬유를 콘베이어 상에 낙하시키고 콘베이어로 이송하는 단계와,(d) 상기 (c) 단계에서 Fe-Cr-Al-REM계 스테인레스강 섬유가 콘베이어 상으로 낙하하는 방향과 교차하는 방향으로 기류를 상기 스테인레스강 섬유에 작용시켜 상기 스테인레스강 섬유를 분산시켜서 상기 스테인레스강 섬유의 시트상 퇴적물을 콘베이어 상에 형성시키는 단계와,(e) 상기 콘베이어 상의 시트상 섬유 퇴적물을 이송시키고, 상기 콘베이어의 출구측에 설치된 가압 롤러로 상기 시트상 섬유 퇴적물을 압착하여 웨브로 제조하는 단계와,(f) 상기 웨브를 소결하는 단계로 이루어지고,상기 스테인레스강 섬유는, 중량으로, Cr: 17 내지 21%, Al: 2.5 내지 6.5%, Re; 0.02 내지 0.25% 및 철과 불가피한 불순물의 잔부를 포함하며, 두께가 7.5 내지 180㎛인 것을 특징으로 하는 내열 금속 섬유 소결체 제조 방법.
- 제1항에 있어서, 상기 롤러식 절단 장치는 각각이 연속 섬유속의 축방향과 교차하고 연속 섬유속을 전후방에서 끼우는 한 쌍의 롤러로 되는 제1단, 제2단 및 제3단을 포함하는 3단 이상의 롤러를 구비하고, 상기 제2단 롤러가 상기 제1단 롤러보다 상대적으로 빠른 회전 속도로 회전됨에 따라서 연속 섬유속이 잡아 당겨지고, 상기 제3단 롤러가 상기 제2단 롤러보다 상대적으로 빠른 회전 속도로 회전함에 따라서 연속 섬유속이 강제적으로 잡아 찢어져 절단되어 다수의 Fe-Cr-Al-REM계 스테인레스강 섬유가 동시에 제조되고, 상기 Fe-Cr-Al-REM계 스테인레스강 섬유는 최하류의 롤러와 콘베이어 사이에 설치되어 있는 송풍 수단에 의하여 낙하 방향과 교차하는 방향으로부터 기류를 받아 분산되어 콘베이어 상에 낙하하는 것을 특징으로 하는 내열 금속 섬유 소결체 제조 방법.
- 제1항에 있어서, 상기 공구 공급 속도가 10 내지 40㎛/rev인 것을 특징으로 하는 내열 금속 섬유 소결체 제조 방법.
- 제1항에 있어서, 상기 Fe-Cr-Al-REM계 스테인레스강 섬유 폭이 10 내지 170㎛인 것을 특징으로 하는 내열 금속 섬유 소결체 제조 방법.
- 제1항에 있어서, 상기 Fe-Cr-Al-REM계 스테인레스강 섬유는, 중량으로, C:0.008% 이하, Si: 1.0% 이하, Mn: 1.0% 이하, Cr: 19.0 내지 21.0%, Al: 4.5 내지 6.0%, REM: 0.06 내지 0.12%, 및 철과 불가피한 불순물의 잔부로 이루어진 것을 특징으로 하는 내열 금속 섬유 소결체 제조 방법.
- 제1항에 있어서, 상기 Fe-Cr-Al-REM계 스테인레스강 섬유는 일직선의 장섬유인 것을 특징으로 하는 내열 금속 섬유 소결체 제조 방법.
- 제1항에 있어서, 상기 Fe-Cr-Al-REM계 스테인레스강 섬유는 파상의 요철이 섬유 길이 방향으로 연속된 비직선형인 것을 특징으로 하는 내열 금속 섬유 소결체 제조 방법.
- 제1항에 있어서, 상기 소결체는 두께 방향으로 요철이 있는 판상인 것을 특징으로 하는 내열 금속 섬유 소결체 제조 방법.
- (a) Fe-Cr-Al-REM계 스테인레스강 박판을 감은 코일재의 단면을 5 내지 40㎛/rev의 공구 이송 속도로 선삭하여 길이 방향과 직각의 단면이 구형상인 Fe-Cr-Al-REM계 스테인레스강의 연속 섬유속을 제조하는 단계와,(b) 상기 (a) 단계에서 형성된 Fe-Cr-Al-REM계 스테인레스강의 연속 섬유속을 폭 방향으로 넓히면서 2개 이상의 롤러식 절단 장치로 절단하여 길이가 20 내지 200mm로 되는 Fe-Cr-Al-REM계 스테인레스강의 장섬유를 제조하는 단계와,(c) 상기 Fe-Cr-Al-REM계 스테인레스강 섬유를 콘베이어 상에 낙하시키고 콘베이어로 이송하는 단계와,(d) 상기 (c) 단계에서 Fe-Cr-Al-REM계 스테인레스강 섬유가 콘베이어 상으로 낙하하는 방향과 교차하는 방향으로 기류를 상기 스테인레스강 섬유에 작용시키고 상기 스테인레스강 섬유를 분산시켜서 상기 스테인레스강 섬유의 시트상 퇴적물을 콘베이어 상에 형성시키는 단계와,(e) 상기 콘베이어 상의 시트상 섬유 퇴적물을 이송시키고 상기 콘베이어의 출구측에 설치된 가압 롤러로 상기 시트상 섬유 퇴적물을 압착하여 웨브로 제조하는 단계와,(f) 상기 웨브를 소결하는 단계로 이루어지고,상기 스테인레스강 섬유는, 중량으로, Cr: 17 내지 21%, Al: 2.5 내지 6.5%, REM: 0.02 내지 0.25%, 및 철과 불가피한 불순물의 잔부로 이루어지고, 두께가 7.5 내지 180㎛인 것을 특징으로 하는 내열 금속 섬유 소결체 제조 방법.
- 제9항에 있어서, 상기 2개 이상의 롤러식 절단 장치가 콘베이어 진행방향에서 직렬로 배치되고, 소정 개수의 Fe-Cr-Al-REM계 스테인레스강 섬유속이 상기 2개 이상의 롤러식 절단 장치의 각각에 이송되어서 잡아 찢어져 절단되고, 콘베이어 상의 최상류의 시트상 섬유 퇴적물 위에는 그보다 하류의 2개 이상의 롤러식 절단 장치로부터의 Fe-Cr-Al-REM계 스테인레스강 섬유가 분산 퇴적되는 것을 특징으로 하는 내열 금속 섬유 소결체 제조 방법.
- 제10항에 있어서, 상기 2개 이상의 롤러식 절단 장치는 각각이 연속 섬유속의 축방향과 교차하고 연속 섬유속을 전후방에서 끼우는 한 쌍의 롤러로 되는 제1단, 제2단 및 제3단을 포함하는 3단 이상의 롤러를 구비하고, 상기 제2단 롤러가 상기 제1단 롤러보다 상대적으로 빠른 회전 속도로 회전됨에 따라서 연속 섬유속이 잡아 당겨지고, 상기 제3단 롤러가 상기 제2단 롤러보다 상대적으로 빠른 회전 속도로 회전함에 따라서 연속 섬유속이 강제적으로 잡아 찢어져 절단되어 다수의 Fe-Cr-Al-REM계 스테인레스강 섬유가 동시에 제조되고, 상기 다수의 Fe-Cr-Al-REM계 스테인레스강 섬유는 최하류의 롤러와 콘베이어 사이에 설치되어 있는 송풍 수단에 의하여 낙하 방향과 교차하는 방향으로부터 기류를 받아 분산되어 콘베이어 상에 낙하하는 것을 특징으로 하는 내열 금속 섬유 소결체 제조 방법.
- 제11항에 있어서, 적어도 상기 제2단 롤러 및 제3단 롤러는 치형 롤러인 것을 특징으로 하는 내열 금속 섬유 소결체 제조 방법.
- 제1항 또는 제9항에 따라서 제조되는 것을 특징으로 하는 내열 금속 섬유 소결체.
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JP7-270488 | 1995-09-25 | ||
JP27048895 | 1995-09-25 | ||
JP24109496A JP3687215B2 (ja) | 1995-09-25 | 1996-08-23 | 耐熱金属繊維焼結体の製造方法 |
JP8-241094 | 1996-08-23 |
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KR100436153B1 true KR100436153B1 (ko) | 2004-10-06 |
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EP (1) | EP0764488B1 (ko) |
JP (1) | JP3687215B2 (ko) |
KR (1) | KR100436153B1 (ko) |
DE (1) | DE69614208T2 (ko) |
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1996
- 1996-08-23 JP JP24109496A patent/JP3687215B2/ja not_active Expired - Fee Related
- 1996-09-20 DE DE69614208T patent/DE69614208T2/de not_active Expired - Lifetime
- 1996-09-20 EP EP96115157A patent/EP0764488B1/en not_active Expired - Lifetime
- 1996-09-24 KR KR1019960041889A patent/KR100436153B1/ko not_active Expired - Lifetime
- 1996-09-25 US US08/719,575 patent/US6063332A/en not_active Expired - Lifetime
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EP0764488A1 (en) | 1997-03-26 |
DE69614208D1 (de) | 2001-09-06 |
KR970015771A (ko) | 1997-04-28 |
DE69614208T2 (de) | 2002-05-16 |
JP3687215B2 (ja) | 2005-08-24 |
US6063332A (en) | 2000-05-16 |
JPH09157783A (ja) | 1997-06-17 |
EP0764488B1 (en) | 2001-08-01 |
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