EP2393965A2 - Kokille zum stranggiessen - Google Patents
Kokille zum stranggiessenInfo
- Publication number
- EP2393965A2 EP2393965A2 EP10721642A EP10721642A EP2393965A2 EP 2393965 A2 EP2393965 A2 EP 2393965A2 EP 10721642 A EP10721642 A EP 10721642A EP 10721642 A EP10721642 A EP 10721642A EP 2393965 A2 EP2393965 A2 EP 2393965A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- copper
- copper mold
- mold
- layer
- continuous casting
- 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
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D15/00—Electrolytic or electrophoretic production of coatings containing embedded materials, e.g. particles, whiskers, wires
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
- B22D11/059—Mould materials or platings
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D15/00—Electrolytic or electrophoretic production of coatings containing embedded materials, e.g. particles, whiskers, wires
- C25D15/02—Combined electrolytic and electrophoretic processes with charged materials
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/10—Electroplating with more than one layer of the same or of different metals
- C25D5/12—Electroplating with more than one layer of the same or of different metals at least one layer being of nickel or chromium
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/48—After-treatment of electroplated surfaces
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/60—Electroplating characterised by the structure or texture of the layers
- C25D5/605—Surface topography of the layers, e.g. rough, dendritic or nodular layers
- C25D5/611—Smooth layers
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/67—Electroplating to repair workpiece
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D7/00—Electroplating characterised by the article coated
Definitions
- the invention relates to a copper mold or copper mold plate for the continuous casting of metals or metal alloys with a coating on the mold inner wall or the cast strand facing Kokillenplattenseite.
- Molds of the type mentioned consist of individual plates, which are assembled into a mold.
- For cooling cooling channels are provided in the mold plates, which are flowed through by a cooling liquid, usually water.
- Such an SiC particle-doped Ni coating of the inner mold walls was also successfully used in copper molds that were so worn by use on the inside that they were no longer useful for continuous casting.
- the inner wall coating allows the restoration of a mold with the desired internal dimensions, which ensures optimal continuous casting. It is an object of the present invention to provide a mold or mold plate, which is inexpensive to produce and has the same good wear resistance. It is also the object of the present invention to provide a process for working up a copper mold or copper mold plate.
- the mold according to claim 1 wherein the coating consists of electrolytically applied copper.
- the advantage of such a mold is that on the one hand, copper is a cheaper raw material than nickel.
- the mold, in particular the copper mold with copper a better bond can be achieved.
- the wear resistance of such a mold is better than with a nickel coating.
- the thickness of the coating depends on the desired final dimension of the mold inside dimension and is between 1 mm and 25 mm, preferably 3 mm to 15 mm.
- the coated Cu layer has a greater hardness than the base body.
- copper with silicon carbide grains is deposited electrolytically on the mold walls.
- the galvanic deposition of metal layers of electrolyte solutions is known in principle from the document mentioned above.
- a suspension of hard material particles and a wetting agent is prepared, and a pasty mass thus obtained is then placed in an electrolyte solution and dispersed therein.
- the wetting agent essentially serves to avoid agglomeration of the hard material particles in the electrolyte.
- the Cu layer with embedded SiC particles leads to an improvement in the abrasion resistance of the inner mold wall, which can also be produced sufficiently smoothly if small SiC grains are adhered to.
- the SiC grains preferably have a size of 0.3 ⁇ to 1 ⁇ and represent in the coating a volume fraction of at least 5% to a maximum of 15%.
- Process can also be used in molds or mold plates, which are produced by casting and in which finally is applied electrolytically to reach the desired final gauge copper, optionally with the addition of SiC grains of the aforementioned size and quantity.
- molds or mold plates which have been produced by casting and subsequent forging, arise on the surface of fine-grained, harder and homogeneous structure, which lead to longer service life.
- the mold inner side or the Kokillenplatteninnenseite can still be provided with a nickel coating, which is applied below the subsequent G manakible.
- the applied layer is aftertreated by deep rolling, preferably with a hydraulic deep rolling tool.
- a deep rolling tool If the surface of the mold or the mold plate still has a roughness of more than 100 .mu.m, it is expedient first to smooth the surface by means of cutting removal until approximately a roughness measure of 50 .mu.m to 70 .mu.m is achieved.
- a deep-rolling tool is pressed for final treatment with a pressure of 1, 5 x 10 7 Pa to 6 x 10 7 Pa to the workpiece, the hydrostatically mounted ball of the deep rolling tool by a meandering guide on the mold or chill plate surface a final boundary layer solidification brought about, in which the compressive residual stress is increased in the boundary layer.
- a rectangular sample measuring 25 mm ⁇ 30 mm ⁇ 105 mm made of copper was copper-plated on one side.
- the applied copper layer had a thickness of about 10 mm.
- the transition region from the base material to the layer has no malposition or binding error. While the Cu base material produced by casting and forging shows deformed grains with low precipitates, the Cu overlay is characterized by a very fine structure in which individual Cu grains could no longer be triggered by light microscopy. Hardness measurements of the main body have given hardnesses in the range of 74 to 78 HV 0.01, whereas the hardness of the electrodeposited copper layer was 80 HV 0.01.
- a rectangular sample of the same geometry has been coated with a 10 mm thick layer of copper with a volume fraction of 10% SiC particles having an average size of 0.5 ⁇ m.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
- Electroplating Methods And Accessories (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL10721642T PL2393965T3 (pl) | 2009-09-29 | 2010-04-20 | Forma do odlewania ciągłego |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE202009013126U DE202009013126U1 (de) | 2009-09-29 | 2009-09-29 | Kokille zum Stranggießen |
| PCT/DE2010/000441 WO2011038704A2 (de) | 2009-09-29 | 2010-04-20 | Kokille zum stranggiessen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2393965A2 true EP2393965A2 (de) | 2011-12-14 |
| EP2393965B1 EP2393965B1 (de) | 2016-06-08 |
Family
ID=41413318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP10721642.6A Active EP2393965B1 (de) | 2009-09-29 | 2010-04-20 | Kokille zum stranggiessen |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US8813825B2 (de) |
| EP (1) | EP2393965B1 (de) |
| CN (1) | CN102421944B (de) |
| BR (1) | BRPI1015535A2 (de) |
| DE (1) | DE202009013126U1 (de) |
| PL (1) | PL2393965T3 (de) |
| WO (1) | WO2011038704A2 (de) |
| ZA (1) | ZA201107472B (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011114556A1 (de) | 2011-09-30 | 2013-04-04 | Egon Evertz Kg (Gmbh & Co.) | Kupfer-Kokille oder Kupfer-Kokillenplatte zum Stranggießen von Metallen oder Metalllegierungen |
| US8932518B2 (en) | 2012-02-29 | 2015-01-13 | General Electric Company | Mold and facecoat compositions |
| CN102776550B (zh) * | 2012-08-01 | 2014-11-05 | 西峡龙成特种材料有限公司 | 结晶器铜板上下镀层一次电镀成型电解槽 |
| US9511417B2 (en) | 2013-11-26 | 2016-12-06 | General Electric Company | Silicon carbide-containing mold and facecoat compositions and methods for casting titanium and titanium aluminide alloys |
| US9192983B2 (en) | 2013-11-26 | 2015-11-24 | General Electric Company | Silicon carbide-containing mold and facecoat compositions and methods for casting titanium and titanium aluminide alloys |
| DE102018129966A1 (de) * | 2018-11-27 | 2020-05-28 | apt Extrusions GmbH & Co. KG | Verfahren zur Herstellung eines in einem Strangpressprozess umformbaren Erzeugnisses durch Stranggießen |
| CN109355684A (zh) * | 2018-11-28 | 2019-02-19 | 德阳深捷科技有限公司 | 一种应用于连铸结晶器的增材制造结构及增材制造方法和装置 |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3671407A (en) * | 1970-09-11 | 1972-06-20 | United States Steel Corp | Method for preventing high-temperature blistering of copper coatings electro-deposited on copper substrates |
| JPS5377840A (en) * | 1976-12-21 | 1978-07-10 | Mishima Kosan Co Ltd | Preparation of mold for slab |
| JPS55141364A (en) | 1979-04-23 | 1980-11-05 | Mitsubishi Metal Corp | Composite tubular mold |
| JPS5668555A (en) | 1979-11-12 | 1981-06-09 | Sumitomo Metal Ind Ltd | Mold for continuous casting |
| DE3038289A1 (de) | 1980-10-10 | 1982-05-27 | Egon 5650 Solingen Evertz | Verfahren zum abscheiden von metallschichten auf den waenden von kokillen |
| DE3211199A1 (de) * | 1982-03-26 | 1983-09-29 | Egon 5650 Solingen Evertz | Verfahren zum vernickeln von kokillenwaenden |
| DE3377700D1 (en) * | 1982-11-04 | 1988-09-22 | Voest Alpine Ag | Open-ended mould for a continuous-casting plant |
| JPS62154570A (ja) * | 1985-12-27 | 1987-07-09 | Furukawa Battery Co Ltd:The | 蓄電池用電極板の製造法 |
| IT1215386B (it) | 1987-03-18 | 1990-02-08 | Danieli Off Mecc | Procedimento di recupero per cristallizzatore di lingottiera per colata continua. |
| JPH0659523B2 (ja) * | 1988-09-09 | 1994-08-10 | ノムラテクノリサーチ株式会社 | 連続鋳造用鋳型の製造方法 |
| DE4041830A1 (de) | 1990-12-24 | 1992-06-25 | Schloemann Siemag Ag | Stahlstranggiesskokille |
| JPH071086A (ja) | 1993-06-15 | 1995-01-06 | Daido Steel Co Ltd | 銅製鋳造モールドの補修方法 |
| FR2747400B1 (fr) * | 1996-04-12 | 1998-05-22 | Usinor Sacilor | Procede de conditionnement de la surface externe en cuivre ou alliage de cuivre d'un element d'une lingotiere de coulee continue des metaux, du type comportant une etape de nickelage et une etape de denickelage |
| FR2750903B1 (fr) * | 1996-07-11 | 1998-09-18 | Usinor Sacilor | Element d'une lingotiere pour la coulee continue des metaux, comprenant une paroi refroidie en cuivre ou en alliage de cuivre comportant sur sa surface externe un revetement metallique et procede pour son revetement |
| JPH10305351A (ja) * | 1997-05-08 | 1998-11-17 | Nkk Corp | 連続鋳造用鋳型の補修方法 |
| KR101082896B1 (ko) | 2002-05-27 | 2011-11-11 | 에스엠에스 콘캐스트 에이지 | 연속 주조 주형의 전해 코팅 방법 |
| DE102005040151B4 (de) | 2005-08-25 | 2008-10-09 | Galvotech Dier Gmbh | Verfahren zur galvanischen Abscheidung von Metallschichten und mit dem Verfahren hergestellte Kokillenplatte |
-
2009
- 2009-09-29 DE DE202009013126U patent/DE202009013126U1/de not_active Expired - Lifetime
-
2010
- 2010-04-20 WO PCT/DE2010/000441 patent/WO2011038704A2/de not_active Ceased
- 2010-04-20 BR BRPI1015535A patent/BRPI1015535A2/pt not_active IP Right Cessation
- 2010-04-20 EP EP10721642.6A patent/EP2393965B1/de active Active
- 2010-04-20 US US13/375,972 patent/US8813825B2/en active Active
- 2010-04-20 CN CN201080018864.6A patent/CN102421944B/zh not_active Expired - Fee Related
- 2010-04-20 PL PL10721642T patent/PL2393965T3/pl unknown
-
2011
- 2011-10-12 ZA ZA2011/07472A patent/ZA201107472B/en unknown
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2011038704A2 * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE202009013126U1 (de) | 2009-12-10 |
| WO2011038704A2 (de) | 2011-04-07 |
| BRPI1015535A2 (pt) | 2016-04-26 |
| EP2393965B1 (de) | 2016-06-08 |
| CN102421944A (zh) | 2012-04-18 |
| WO2011038704A3 (de) | 2011-08-18 |
| US8813825B2 (en) | 2014-08-26 |
| CN102421944B (zh) | 2014-12-17 |
| PL2393965T3 (pl) | 2017-05-31 |
| HK1164382A1 (en) | 2012-09-21 |
| ZA201107472B (en) | 2012-09-26 |
| US20120067541A1 (en) | 2012-03-22 |
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