WO2001079574A1 - Verwendung einer aushärtbaren kupferlegierung für kokillen - Google Patents
Verwendung einer aushärtbaren kupferlegierung für kokillen Download PDFInfo
- Publication number
- WO2001079574A1 WO2001079574A1 PCT/EP2001/004235 EP0104235W WO0179574A1 WO 2001079574 A1 WO2001079574 A1 WO 2001079574A1 EP 0104235 W EP0104235 W EP 0104235W WO 0179574 A1 WO0179574 A1 WO 0179574A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- copper alloy
- molds
- side plates
- nickel
- copper
- 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.)
- Ceased
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
- C22C9/06—Alloys based on copper with nickel or cobalt as the next major constituent
-
- 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
Definitions
- the invention relates to the use of a hardenable copper alloy for molds, in particular for the production of broad side plates for thin slab casting molds
- mold wide side plates for thin slab systems and in particular for CSP (compact strip product) systems are produced from copper alloys such as CuCrZr (copper chromium zirconium) or CuAg (copper silver). Because of this, a CuAg alloy for CSP mold plates has been produced comparatively high elongation with increasing temperatures has proven to be advantageous
- mold wide side plates made of CuAg or CuCrZr are not able to absorb the high temperature tensions in the bath level of the cast metal and tend to form cracks in the area in this area, whereby CuCrZr in particular tends to form cracks particularly early. This crack formation is then the failure point for the mold wide side plates and causes high repair and replacement costs for the operator of a continuous caster
- the failure rate of the narrow side plates is not the formation of cracks, but rather the wear or abrasion of the contact surfaces to the steel.
- the most common failure criterion of the wide side plates is crack formation in the area of the mold level
- Document DE 31 20 978 C2 discloses a number of precipitation-hardenable copper alloys and their use for stationary continuous casting molds, inter alia with various CuNiBe alloys, which, as further alloy components, include niobium (Nb), zirconium (Zr), magnesium (Mg) and / or titanium (Ti ) contain
- a copper alloy CuZrNiBe is known from document US Pat. No. 2,137,281 for a strip mold (twin-belt casting) which is characterized by a combination of properties of comparatively great hardness with comparatively high thermal conductivity
- the invention has for its object to provide a suitable for the production of broad side plates for thin slab casting molds with high casting speed in a special way suitable copper alloys, by their use in the casting operation early cracking, especially in the area of the mold level, avoided and Wear of the contact surface with liquid steel is reduced, and which withstands the extremely high thermal and mechanical stresses in the casting operation with long-term availability
- the solution to this problem consists in the use of a hardenable copper alloy with a beryllium content of 0.1% to 0.5% and a nickel content of 0.5% to 2.0% (CuNiBe) for the production of broad side plates for thin slab casting molds
- this copper alloy After hardening, this copper alloy has the great advantage of being able to absorb high temperature stresses in the area of the mold level while avoiding crack formation and to remain available over longer operating times
- the copper alloy CuNiBe used according to the invention is helped by this advantageous operating result due to its advantageous material properties, for example a much higher tensile strength of approx. 770 or approx. 650 N / mm 2 and 0.2 proof strength of approx 500 N / mm 2 both at 20 ° C and at 300 ° C
- the material properties of three selected copper alloys, CuCrZr, CuAg and CuNiBe are shown in the following table Material properties
- Another positive property e.g. resistance to mechanical wear, results from the high hardness of the material used according to the invention of approximately 220 HB, because CuNiBe has approximately the same hardness as a galvanically applied nickel layer with approximately 220-230 HB.
- the broad side plates therefore need can no longer be nickel-plated
- the lower thermal conductivity of the copper alloy CuNiBe of approx. 300 W / mK compared to CuAg with a thermal conductivity of approx. 370 W / mK, can be compensated for by a reduced copper wall thickness of approx. 25% before water. This also results in a saving in material costs for the production
- the invention enables the casting of thin slabs at high casting speeds of at least 2 to 6 m / min and more.
- the significant improvement in the operating behavior as a result of longer availability, in particular the minimized one Cracking in the area of the bathroom mirror, the cost-effective expenditure for material and production are the result of the special selection of the alloy components
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Continuous Casting (AREA)
Abstract
Description
Claims
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020027012659A KR20020091154A (ko) | 2000-04-14 | 2001-04-12 | 박 슬래브 주형의 넓은 쪽 판의 제조 방법 |
| JP2001576957A JP2003531290A (ja) | 2000-04-14 | 2001-04-12 | 薄スラブ用鋳型の幅広板を製造するための方法 |
| EP01929554A EP1274871A1 (de) | 2000-04-14 | 2001-04-12 | Verwendung einer aushärtbaren kupferlegierung für kokillen |
| US11/078,006 US20050158204A1 (en) | 2000-04-14 | 2005-03-11 | Method of production of broadside plates for continuous casting molds |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10018504.5 | 2000-04-14 | ||
| DE10018504A DE10018504A1 (de) | 2000-04-14 | 2000-04-14 | Verwendung einer aushärtbaren Kupferlegierung für Kokillen |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US11/078,006 Division US20050158204A1 (en) | 2000-04-14 | 2005-03-11 | Method of production of broadside plates for continuous casting molds |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2001079574A1 true WO2001079574A1 (de) | 2001-10-25 |
Family
ID=7638729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2001/004235 Ceased WO2001079574A1 (de) | 2000-04-14 | 2001-04-12 | Verwendung einer aushärtbaren kupferlegierung für kokillen |
Country Status (10)
| Country | Link |
|---|---|
| US (2) | US20030165396A1 (de) |
| EP (1) | EP1274871A1 (de) |
| JP (1) | JP2003531290A (de) |
| KR (1) | KR20020091154A (de) |
| CN (1) | CN1423707A (de) |
| DE (1) | DE10018504A1 (de) |
| EG (1) | EG22980A (de) |
| RU (1) | RU2260493C2 (de) |
| TW (1) | TW524864B (de) |
| WO (1) | WO2001079574A1 (de) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW590822B (en) * | 2001-11-21 | 2004-06-11 | Km Europa Metal Ag | Casting-roller for a two-roller-casting equipment and its manufacturing method |
| DE10156925A1 (de) * | 2001-11-21 | 2003-05-28 | Km Europa Metal Ag | Aushärtbare Kupferlegierung als Werkstoff zur Herstellung von Giessformen |
| US7225856B2 (en) * | 2002-08-02 | 2007-06-05 | Hildreth Manufacturing, Llc | Precipitation-hardenable alloy core rod, plunger tip having a uniform side wall thickness, and method of forming same |
| DE102009037283A1 (de) * | 2009-08-14 | 2011-02-17 | Kme Germany Ag & Co. Kg | Gießform |
| CN110218903B (zh) * | 2019-07-02 | 2020-07-14 | 西峡龙成特种材料有限公司 | 一种esp连铸结晶器窄面铜板母材及其加工方法、esp连铸结晶器窄面铜板 |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2096496A (en) * | 1981-03-12 | 1982-10-20 | Kabel Metallwerke Ghh | Production of copper alloy tubular continuous-casting moulds |
| US4377424A (en) * | 1980-05-26 | 1983-03-22 | Chuetsu Metal Works Co., Ltd. | Mold of precipitation hardenable copper alloy for continuous casting mold |
| US4421570A (en) * | 1982-03-12 | 1983-12-20 | Kabel Und Metallwerke Gutehoffnungshutte Ag | Making molds for continuous casting |
| JPH02111835A (ja) * | 1988-10-20 | 1990-04-24 | Chuetsu Gokin Chuko Kk | 電磁攪拌用鋳型材料 |
| JPH02166248A (ja) * | 1988-12-19 | 1990-06-26 | Chuetsu Gokin Chuko Kk | 析出硬化型連続鋳造用鋳型材料 |
| EP0548636A1 (de) * | 1991-12-24 | 1993-06-30 | KM Europa Metal Aktiengesellschaft | Verwendung einer aushärtbaren Kupferlegierung |
| US5651844A (en) * | 1995-02-01 | 1997-07-29 | Brush Wellman Inc. | Metamorphic processing of alloys and products thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4233522A1 (de) * | 1992-04-04 | 1993-10-07 | Schloemann Siemag Ag | Verfahren zur Herstellung einer Kokillenbreitseitenwand für eine Dünnbrammengießanlage |
| WO1996027600A1 (en) * | 1995-03-07 | 1996-09-12 | Asahi Kasei Kogyo Kabushiki Kaisha | Flame-retardant resin composition |
| DE19529931C1 (de) * | 1995-08-02 | 1997-04-03 | Mannesmann Ag | Plattenkokille zur Erzeugung von Strängen aus Stahl |
-
2000
- 2000-04-14 DE DE10018504A patent/DE10018504A1/de not_active Withdrawn
-
2001
- 2001-04-06 TW TW090108247A patent/TW524864B/zh not_active IP Right Cessation
- 2001-04-11 EG EG20010361A patent/EG22980A/xx active
- 2001-04-12 US US10/257,512 patent/US20030165396A1/en not_active Abandoned
- 2001-04-12 RU RU2002130502/02A patent/RU2260493C2/ru not_active IP Right Cessation
- 2001-04-12 EP EP01929554A patent/EP1274871A1/de not_active Ceased
- 2001-04-12 JP JP2001576957A patent/JP2003531290A/ja not_active Withdrawn
- 2001-04-12 CN CN01808026A patent/CN1423707A/zh active Pending
- 2001-04-12 WO PCT/EP2001/004235 patent/WO2001079574A1/de not_active Ceased
- 2001-04-12 KR KR1020027012659A patent/KR20020091154A/ko not_active Ceased
-
2005
- 2005-03-11 US US11/078,006 patent/US20050158204A1/en not_active Abandoned
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4377424A (en) * | 1980-05-26 | 1983-03-22 | Chuetsu Metal Works Co., Ltd. | Mold of precipitation hardenable copper alloy for continuous casting mold |
| GB2096496A (en) * | 1981-03-12 | 1982-10-20 | Kabel Metallwerke Ghh | Production of copper alloy tubular continuous-casting moulds |
| US4421570A (en) * | 1982-03-12 | 1983-12-20 | Kabel Und Metallwerke Gutehoffnungshutte Ag | Making molds for continuous casting |
| JPH02111835A (ja) * | 1988-10-20 | 1990-04-24 | Chuetsu Gokin Chuko Kk | 電磁攪拌用鋳型材料 |
| JPH02166248A (ja) * | 1988-12-19 | 1990-06-26 | Chuetsu Gokin Chuko Kk | 析出硬化型連続鋳造用鋳型材料 |
| EP0548636A1 (de) * | 1991-12-24 | 1993-06-30 | KM Europa Metal Aktiengesellschaft | Verwendung einer aushärtbaren Kupferlegierung |
| US5651844A (en) * | 1995-02-01 | 1997-07-29 | Brush Wellman Inc. | Metamorphic processing of alloys and products thereof |
Non-Patent Citations (2)
| Title |
|---|
| PATENT ABSTRACTS OF JAPAN vol. 014, no. 318 (C - 0738) 9 July 1990 (1990-07-09) * |
| PATENT ABSTRACTS OF JAPAN vol. 014, no. 431 (C - 0759) 17 September 1990 (1990-09-17) * |
Also Published As
| Publication number | Publication date |
|---|---|
| EG22980A (en) | 2003-12-31 |
| CN1423707A (zh) | 2003-06-11 |
| EP1274871A1 (de) | 2003-01-15 |
| DE10018504A1 (de) | 2001-10-18 |
| KR20020091154A (ko) | 2002-12-05 |
| TW524864B (en) | 2003-03-21 |
| US20030165396A1 (en) | 2003-09-04 |
| RU2260493C2 (ru) | 2005-09-20 |
| US20050158204A1 (en) | 2005-07-21 |
| JP2003531290A (ja) | 2003-10-21 |
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