EP1751076A1 - Verfahren zur herstellung von metall-keramik-verbundwerkstoffen - Google Patents
Verfahren zur herstellung von metall-keramik-verbundwerkstoffenInfo
- Publication number
- EP1751076A1 EP1751076A1 EP05740475A EP05740475A EP1751076A1 EP 1751076 A1 EP1751076 A1 EP 1751076A1 EP 05740475 A EP05740475 A EP 05740475A EP 05740475 A EP05740475 A EP 05740475A EP 1751076 A1 EP1751076 A1 EP 1751076A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- metal
- shaped body
- produced
- body made
- composite materials
- Prior art date
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
- C22C29/12—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on oxides
-
- 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
Definitions
- the invention relates to the production of metal-ceramic composites (M KV materials).
- the manufacturing processes for metal-ceramic composites known on the market today are based either on the infiltration of porous pre-bodies with liquid metals, the stirring of particles or fibers into metallic melts, the spray compacting of metal-ceramic mixtures or the centrifugal casting.
- ceramic base materials are pressed and solidified at temperatures between 900 ° C and 1200 ° C.
- the porous pressed bodies are then infiltrated with metallic materials in a second, cost-intensive work step. If particles or fibers are stirred into a melt, the degree of filling is generally limited to a maximum of 25% by volume.
- the sedimentation of the particles in the liquid melt which causes an inhomogeneous structure, is problematic.
- Alternative manufacturing processes such as centrifugal casting lead to their inhomogeneous distribution in the workpiece due to the effect of centrifugal force on the hard particles of different weights.
- particle-reinforced injection molding compounds there is a risk of texture formation.
- the production of moldings from hard metal powders by pressing and a simultaneous or subsequent heat treatment is known.
- the material properties determine the mixing ratio.
- the mixing of urea powders and aluminum powders for the production of dry pressed molded articles is an example of this. Due to the risk of segregation and the loss of homogeneity, the upper limit is, for example, according to the prior art, when adding hard material particles to aluminum powder, about 20% by volume.
- CONFW A- ⁇ ON COPY The object of the present invention is to increase the proportion of hard material particles in the mixture of dry-pressed shaped bodies without the known disadvantages occurring.
- metal-ceramic-powder mixtures with a ceramic content between 21 and 75% by volume which can be pressed into stable moldings by dry pressing.
- Some of the ceramic materials can be replaced by hard materials such as TiC, TiN, Ti (CN) and WC.
- the particle size of the respective hard material particles or ceramic particles is between 0.2 ⁇ m and 150 ⁇ m, D50 values between 30 ⁇ m and 70 ⁇ m are preferred.
- the high pressing pressures known from powder metallurgy for example 6000 bar, are also not necessary. Dense and functional components can be produced with a press pressure of 2000 bar.
- Metal-ceramic powder mixtures are used for dry pressing, characterized by basic compositions of one or more metallic phases with a proportion of 25 to 79% by volume, preferably aluminum and its alloys, and one or more non-metallic inorganic components with a proportion of 75 to 21 vol .-% as ceramic materials, preferably silicon carbides, aluminum oxides, titanium oxides, carbons and silicates.
- the compacted powder body is thermally treated to solidify the structure and to increase the bond strength.
- a preferred MKV material based on SiC and Al has a composition of 25 to 79 vol.% Al and 75 to 21 vol.% SiC with a thermal conductivity of, for example, 180 W / mK, a bending strength of, for example, 200 MPa and an elastic modulus of, for example, 200 GPa.
- Metal-ceramic composites with a metal content of more than 50 vol.% Are called metal matrix composites (MMC). If the ceramic content is over 50% by volume, the material is called Ceramic-Matrix-Composite (CMC).
- the materials have a high thermal conductivity, which is particularly advantageous for a rapid and uniform transfer of heat from the heat source to the material to be heated, while avoiding local overheating.
- the uniform and rapid heating of the shaped body is particularly advantageous in hot pressing, where the heat treatment takes place in the pressing tool. It is the prerequisite for the formation of a uniform material structure. It is also conceivable to use microwave radiation to heat the material.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Powder Metallurgy (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102004025342 | 2004-05-19 | ||
| DE200510019662 DE102005019662A1 (de) | 2004-05-19 | 2005-04-26 | Verfahren zur Herstellung von Metall-Keramik-Verbundwerkstoffen |
| PCT/EP2005/005171 WO2005113464A1 (de) | 2004-05-19 | 2005-05-12 | Verfahren zur herstellung von metall-keramik-verbundwerkstoffen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1751076A1 true EP1751076A1 (de) | 2007-02-14 |
| EP1751076B1 EP1751076B1 (de) | 2015-04-15 |
Family
ID=34967155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20050740475 Expired - Lifetime EP1751076B1 (de) | 2004-05-19 | 2005-05-12 | Verfahren zur herstellung von metall-keramik-verbundwerkstoffen |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20080230940A1 (de) |
| EP (1) | EP1751076B1 (de) |
| JP (1) | JP2007538148A (de) |
| DE (1) | DE102005019662A1 (de) |
| WO (1) | WO2005113464A1 (de) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NZ547608A (en) * | 2006-05-31 | 2008-11-28 | Waikatolink Ltd | Method for producing titanium metal alloy and intermetallic powders |
| DE102006051201A1 (de) * | 2006-10-30 | 2008-05-08 | Robert Bosch Gmbh | Werkstoff für tribologische Anwendungen |
| KR101505372B1 (ko) * | 2014-07-15 | 2015-03-23 | 주식회사 대화알로이테크 | 써멧 및 그 제조 방법 |
| DE102015116519A1 (de) | 2015-09-29 | 2017-03-30 | Thyssenkrupp Ag | Vorrichtung und Verfahren zum Sprühkompaktieren |
| US10253833B2 (en) | 2017-06-30 | 2019-04-09 | Honda Motor Co., Ltd. | High performance disc brake rotor |
| CN107598158B (zh) * | 2017-09-21 | 2019-05-17 | 山东银光钰源轻金属精密成型有限公司 | 一种铝基复合材料制动盘的制备方法 |
| US11187290B2 (en) | 2018-12-28 | 2021-11-30 | Honda Motor Co., Ltd. | Aluminum ceramic composite brake assembly |
| CN112837842B (zh) * | 2021-01-05 | 2022-12-13 | 商都中建金马冶金化工有限公司 | 一种电极糊及其制备方法 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB798190A (en) * | 1954-07-12 | 1958-07-16 | Sintercast Corp America | Improvements in and relating to composite refractory bodies |
| US3457051A (en) * | 1965-01-04 | 1969-07-22 | Du Pont | Metallic refractory compositions |
| US3719479A (en) * | 1971-02-12 | 1973-03-06 | Du Pont | Method of fabricating ring shapes by hot pressing |
| US5460640A (en) * | 1990-10-10 | 1995-10-24 | Valenite Inc. | Alumina-rare earth oxide ceramic-metal bodies |
| US5279191A (en) * | 1990-10-10 | 1994-01-18 | Gte Valenite Corporation | Reinforced alumina ceramic-metal bodies |
| US5271758A (en) * | 1990-10-10 | 1993-12-21 | Valenite Inc. | Alumina ceramic-metal articles |
| US5216845A (en) * | 1990-10-10 | 1993-06-08 | Gte Valenite Corporation | Method of machining nickel based superalloys |
| WO1992018656A1 (en) * | 1991-04-10 | 1992-10-29 | Sandvik Ab | Method of making cemented carbide articles |
| US6051045A (en) | 1996-01-16 | 2000-04-18 | Ford Global Technologies, Inc. | Metal-matrix composites |
| JP3417217B2 (ja) * | 1996-06-07 | 2003-06-16 | トヨタ自動車株式会社 | 炭化チタン粒子分散型金属基複合材料の製造方法 |
| US5972523A (en) * | 1996-12-09 | 1999-10-26 | The Chinese University Of Hong Kong | Aluminum metal matrix composite materials reinforced by intermetallic compounds and alumina whiskers |
| JPH11172348A (ja) * | 1997-12-03 | 1999-06-29 | Nippon Cement Co Ltd | 金属−セラミックス複合材料及びその製造方法 |
| JP2000288714A (ja) * | 1999-04-05 | 2000-10-17 | Taiheiyo Cement Corp | 金属−セラミックス複合材料の製造方法 |
| JP4214352B2 (ja) * | 2001-03-01 | 2009-01-28 | 住友金属工業株式会社 | ブレーキディスク用Al基複合材料およびその製造方法 |
| DE10306096A1 (de) | 2002-03-05 | 2003-09-18 | Ceramtec Ag | Metall-Keramik-Verbundwerkstoffe für tribologische Anwendungen sowie definierte Gleit-/Reibpaarungen auf der Grundlage dieser Werkstoffe |
-
2005
- 2005-04-26 DE DE200510019662 patent/DE102005019662A1/de not_active Ceased
- 2005-05-12 JP JP2007517037A patent/JP2007538148A/ja active Pending
- 2005-05-12 WO PCT/EP2005/005171 patent/WO2005113464A1/de not_active Ceased
- 2005-05-12 EP EP20050740475 patent/EP1751076B1/de not_active Expired - Lifetime
- 2005-05-12 US US11/596,512 patent/US20080230940A1/en not_active Abandoned
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2005113464A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| US20080230940A1 (en) | 2008-09-25 |
| DE102005019662A1 (de) | 2005-12-08 |
| JP2007538148A (ja) | 2007-12-27 |
| EP1751076B1 (de) | 2015-04-15 |
| WO2005113464A1 (de) | 2005-12-01 |
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