JP4064348B2 - 焼結多孔質体の製造方法 - Google Patents
焼結多孔質体の製造方法 Download PDFInfo
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- JP4064348B2 JP4064348B2 JP2003535971A JP2003535971A JP4064348B2 JP 4064348 B2 JP4064348 B2 JP 4064348B2 JP 2003535971 A JP2003535971 A JP 2003535971A JP 2003535971 A JP2003535971 A JP 2003535971A JP 4064348 B2 JP4064348 B2 JP 4064348B2
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- powder
- substrate
- nickel
- porous body
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
- B01D39/2027—Metallic material
- B01D39/2031—Metallic material the material being particulate
- B01D39/2034—Metallic material the material being particulate sintered or bonded by inorganic agents
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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
- B22F3/1121—Making porous workpieces or articles by using decomposable, meltable or sublimatable fillers
- B22F3/1137—Making porous workpieces or articles by using decomposable, meltable or sublimatable fillers by coating porous removable preforms
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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
- B22F3/114—Making porous workpieces or articles the porous products being formed by impregnation
-
- 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
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/002—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of porous nature
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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
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
-
- 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
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
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- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12014—All metal or with adjacent metals having metal particles
- Y10T428/12028—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, etc.]
- Y10T428/12042—Porous component
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12014—All metal or with adjacent metals having metal particles
- Y10T428/12028—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, etc.]
- Y10T428/12049—Nonmetal component
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12014—All metal or with adjacent metals having metal particles
- Y10T428/12153—Interconnected void structure [e.g., permeable, etc.]
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12479—Porous [e.g., foamed, spongy, cracked, etc.]
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Geology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Inorganic Chemistry (AREA)
- Composite Materials (AREA)
- Materials Engineering (AREA)
- Powder Metallurgy (AREA)
- Catalysts (AREA)
- Porous Artificial Stone Or Porous Ceramic Products (AREA)
Description
0.05mm未満の平均粒径d50を有する原子比50:50のニッケル粉末およびアルミニウム粉末の混合物を微粉砕し、アルゴン雰囲気下200min−1の速度で2時間にわたりFritschプラネタリーボールミルで混合した。しかしながら、相形成プロセスはさほど生じなかった。
この例では、多孔質PUR基体を例1による懸濁物中へ浸漬してから、乾燥し、次いで2段階熱処理へ付した。
ここで用いられる懸濁物および多孔質基体は例1のものに相当する。
Claims (27)
- 金属間相または混晶を形成する少なくとも1種の焼結活性粉末をニッケル製の多孔質基体の表面に適用し、熱処理を次いで行ない、比表面積を増す金属間相または混晶を熱処理に際して形成させ、前記焼結活性粉末としてニッケル/アルミニウム粉末混合物が用いられ、ニッケルアルミナイドが多孔質ニッケル基体上に形成される、焼結多孔質体の製造方法。
- 混晶または金属間相が、焼結活性粉末中に存在する元素で形成される、請求項1に記載の方法。
- 混晶または金属間相が、焼結活性粉末および基体物質から形成される、請求項1に記載の方法。
- 混晶または金属間相が、基体の表面上のエリアで形成される、請求項1〜3のいずれか一項に記載の方法。
- 0.15mm未満の粒径を有する粉末が用いられる、請求項1〜4のいずれか一項に記載の方法。
- ニッケルおよびアルミニウムが50:50の原子比で各々用いられる、請求項1〜5のいずれか一項に記載の方法。
- 出発粉末が不活性雰囲気下で微粉砕される、請求項1〜6のいずれか一項に記載の方法。
- 相形成を避けながら高エネルギー粉砕プロセスを用いて得られた、元素が薄いラメラの形である粉末が用いられる、請求項1〜7のいずれか一項に記載の方法。
- 基体の孔が、金属間相または混晶の形成前に、粉末で少なくとも部分的に満たされる、請求項1〜8のいずれか一項に記載の方法。
- 金属間相または混晶が、アルミニウムの一時的液相の形成後に形成される、請求項1〜9のいずれか一項に記載の方法。
- 多孔質粒子が基体の孔中に形成されて、比表面積が増大されてなる、請求項1〜10のいずれか一項に記載の方法。
- 熱処理が、500℃の焼結温度で行われる、請求項1〜11のいずれか一項に記載の方法。
- 粉末または粉末混合物が懸濁/分散物で多孔質基体へ適用され、乾燥が熱処理前に行われる、請求項1〜12のいずれか一項に記載の方法。
- 有機結合剤を含んでなる懸濁/分散物が用いられ、有機結合剤中の有機成分が、金属間相または混晶の形成前に、最大温度750℃の熱処理により除かれる、請求項1〜13のいずれか一項に記載の方法。
- 有機および/または無機結合剤を含んでなる懸濁/分散物が用いられる、請求項1〜14のいずれか一項に記載の方法。
- 基体の表面エネルギーまたは基体の表面間における界面張力が、静電気荷電、および/または懸濁/分散物の適用前または中に懸濁/分散物中に存在する界面活性剤により変えられる、請求項13〜15のいずれか一項に記載の方法。
- 金属間相または混晶が、懸濁/分散物中に存在する粉末成分のみから形成される、請求項1〜16のいずれか一項に記載の方法。
- 粉末、粉末混合物または懸濁/分散物が、浸漬、噴霧、または懸濁/分散物が多孔質基体中へ圧入または吸入される圧力維持により適用される、請求項1〜17のいずれか一項に記載の方法。
- 粉末または粉末混合物および/または多孔質基体が、適用および焼結前に永久磁石または電磁石により磁化される、請求項1〜18のいずれか一項に記載の方法。
- 粉末または粉末混合物および/または多孔質基体が、適用および焼結前に永久磁石または電磁石により静電気で荷電される、請求項1〜18のいずれか一項に記載の方法。
- 金属間相または混晶が、ニッケルおよびアルミニウムから形成されている、請求項1〜20のいずれか一項に記載された方法により製造される焼結多孔質体。
- 金属間相がアルミナイドである、請求項21に記載の焼結多孔質体。
- 表面コーティングが、ニッケルアルミナイドから形成されている、請求項21または22に記載の焼結多孔質体。
- 白金またはロジウムが、表面に付加されている、請求項21〜23のいずれか一項に記載の焼結多孔質体。
- 金属間相または混晶から形成される表面コーティングを備えた金属多孔質基体から形成されている、請求項21〜24のいずれか一項に記載の焼結多孔質体。
- 基体が、ニッケルから形成されている、請求項25に記載の焼結多孔質体。
- フィルターまたは触媒担体としての、請求項21〜26のいずれか一項に記載された焼結多孔質体の使用。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10150948A DE10150948C1 (de) | 2001-10-11 | 2001-10-11 | Verfahren zur Herstellung gesinterter poröser Körper |
PCT/EP2002/011111 WO2003033192A2 (en) | 2001-10-11 | 2002-10-04 | Process for the production of sintered porous bodies |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005505693A JP2005505693A (ja) | 2005-02-24 |
JP4064348B2 true JP4064348B2 (ja) | 2008-03-19 |
Family
ID=7702618
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2003535971A Expired - Lifetime JP4064348B2 (ja) | 2001-10-11 | 2002-10-04 | 焼結多孔質体の製造方法 |
Country Status (10)
Country | Link |
---|---|
US (1) | US6926969B2 (ja) |
EP (1) | EP1434663B1 (ja) |
JP (1) | JP4064348B2 (ja) |
KR (1) | KR100578178B1 (ja) |
CN (2) | CN1514756A (ja) |
AT (1) | ATE372846T1 (ja) |
CA (1) | CA2444931C (ja) |
DE (2) | DE10150948C1 (ja) |
TW (1) | TWI257334B (ja) |
WO (1) | WO2003033192A2 (ja) |
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DE10346281B4 (de) * | 2003-09-30 | 2006-06-22 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren zur Herstellung von Bauteilen mit einer Nickel-Basislegierung sowie damit hergestellte Bauteile |
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Also Published As
Publication number | Publication date |
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US20040101706A1 (en) | 2004-05-27 |
KR20040028748A (ko) | 2004-04-03 |
EP1434663B1 (en) | 2007-09-12 |
DE60222448T2 (de) | 2008-06-12 |
WO2003033192A2 (en) | 2003-04-24 |
CN1514756A (zh) | 2004-07-21 |
DE10150948C1 (de) | 2003-05-28 |
WO2003033192A3 (en) | 2003-09-04 |
CA2444931A1 (en) | 2003-04-24 |
ATE372846T1 (de) | 2007-09-15 |
CA2444931C (en) | 2009-09-22 |
EP1434663A2 (en) | 2004-07-07 |
TWI257334B (en) | 2006-07-01 |
KR100578178B1 (ko) | 2006-05-11 |
US6926969B2 (en) | 2005-08-09 |
CN101585084B (zh) | 2012-06-27 |
JP2005505693A (ja) | 2005-02-24 |
CN101585084A (zh) | 2009-11-25 |
DE60222448D1 (de) | 2007-10-25 |
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