EP1200647B1 - Verfahren zur herstellung von tiefzieh- oder abstreckziehfähigem, veredeltem kaltband sowie kaltband, vorzugsweise zur herstellung von zylindrischen behältern und insbesondere batteriebehältern - Google Patents
Verfahren zur herstellung von tiefzieh- oder abstreckziehfähigem, veredeltem kaltband sowie kaltband, vorzugsweise zur herstellung von zylindrischen behältern und insbesondere batteriebehältern Download PDFInfo
- Publication number
- EP1200647B1 EP1200647B1 EP00958370A EP00958370A EP1200647B1 EP 1200647 B1 EP1200647 B1 EP 1200647B1 EP 00958370 A EP00958370 A EP 00958370A EP 00958370 A EP00958370 A EP 00958370A EP 1200647 B1 EP1200647 B1 EP 1200647B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- strip
- coating
- cold rolled
- annealing
- iron
- 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.)
- Expired - Lifetime
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
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/48—After-treatment of electroplated surfaces
- C25D5/50—After-treatment of electroplated surfaces by heat-treatment
-
- 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
-
- 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
- C25D5/615—Microstructure of the layers, e.g. mixed structure
- C25D5/619—Amorphous layers
Definitions
- the invention relates to a method for producing deep-drawing or ironable, refined cold rolled strip with a carbon content of below 0.5% by weight, in which the cold rolled with a degree of cold rolling of 30 to 95% Band a heat treatment in the annealing furnace and one preferably galvanic coating of at least one of the two strip surfaces is subjected.
- the invention further relates to a cold strip, preferably for Manufacture of cylindrical containers and in particular battery containers Deep drawing or ironing, consisting of one with a cold rolling degree of 30 to 95% cold rolled, a carbon content of less than 0.5% by weight having band and a preferably electroplated Coating on at least one of the two belt surfaces.
- the invention finally relates to a battery sleeve made from such a cold strip.
- the aim is with the method according to EP 0 809 307 A2, by appropriate selection of the to achieve nickel-containing galvanization that when using the tape for Deep drawing or ironing of battery sleeves is the harder of the two Band surfaces later form the inside of the battery case, whereas the Also with a nickel alloy finished belt surface of lower hardness later forms the outside of the battery sleeve.
- EP 0 629 009 B1 describes a method for producing low-tip nickel-plated cold rolled strip with a particularly low carbon content of less than 0.009% by weight.
- This is how the annealed steel strip is described after the nickel plating to glow a second time, but this is a complex process leads.
- the cold strip is first annealed and only then to undergo the galvanic nickel plating without this would be followed by diffusion annealing.
- For the continuous Annealing process is a temperature range from 600 ° C to 900 ° C and specified Annealing time of 2 minutes.
- a process for the production is also known from JP 53 039374 B. of steel sheets.
- the peculiarity of the method disclosed here is there in the fact that in a first step a nickel layer on a or galvanically deposited on both surfaces of a cold-rolled sheet and then the sheet at a temperature between 840 ° C and 900 ° C is annealed.
- a comparable process is also disclosed in JP 03 090592 A.
- a method for producing a is also disclosed here surface-treated steel sheet, with the surface of a cold-rolled steel sheet in a first process step, first a Nickel layer is electrodeposited. This will be in a subsequent Process step then annealed, and finally under the action of heat rolled.
- the temperature range for the tempering process is one Temperature from 600 ° C to 900 ° C proposed.
- the invention has for its object to provide a process for the production of deep-drawn or ironable, refined cold strip with a carbon content of less than 0.5% by weight, which leads to a low-texture, isotropic steel strip with little tendency to tip formation.
- a process for the production of deep-drawn or ironable, refined cold strip with a carbon content of less than 0.5% by weight in which the cold-rolled strip with a degree of cold rolling of 30 to 95% is subjected to heat treatment in an annealing furnace and one is preferably subjected to galvanic coating of at least one of the two strip surfaces, the one or more coating produced containing the elements nickel, cobalt, iron, bismuth, indium, palladium, gold or tin or their alloys, and wherein the heat treatment by means of a before or after annealing carried out in a continuous strip annealing furnace at a temperature above the limit temperature from the two-phase ferrite / austenite region ( ⁇ / ⁇ region in the iron / carbon system) to the austenite region ( ⁇ region in the iron / carbon system), with an additional one after the annealing Coating the tape in a galvanic bath Organic additives which increase the brittleness of the coating are used, degradation
- the fine-grained structure created by normalizing annealing in a continuous furnace improves the corrosion resistance of the drawn part made from refined cold strip.
- the reason for this is the significantly reduced tendency to crack in the galvanic layer during deep drawing or ironing due to the small grain size of the substrate.
- Normalization annealing in a continuous annealing furnace also leads to the improved strength of the galvanized cold strip better dimensional accuracy and low-corneredness of the deep-drawn part, which is special in the manufacture of battery sleeves or similar rotationally symmetrical Products is important.
- the for the invention Normalization annealing in a continuous annealing furnace required temperature depends on the carbon content of the used Tape material. With a so-called decarburized steel of max. 0.01% by weight C is an annealing temperature of 950 ° C to 1000 ° C of the annealed object Aim for a maximum treatment time of 10 minutes. At higher Carbon content of, for example, 0.3% by weight, the annealing temperature is approx. 100 ° C less, but is still in the austenite area of the iron / carbon system.
- the coating according to the invention is preferably galvanic, if necessary, however, vacuum evaporation is also possible.
- both Processes are layers of the strip as well as multi-layer layers possible.
- the coatings can be on either side of the tape be different to e.g. B. to improve the thermoforming behavior on both Different mechanical, tribological and / or electrical sides To achieve properties for the drawn part.
- the coating of the tape must before glowing.
- the strip be coated for the first time before annealing, and that after the annealing another coating which the elements Nickel / cobalt / iron / bismuth / indium / palladium / gold / tin or their Contains alloys on which tape is applied.
- the tape should be removed after the Normalization annealing first go through a skin pass rolling stage.
- the subsequent one after the annealing treatment and the rolling Coating takes place using a galvanic bath, which in order to increase the hardness and brittleness of the layer obtained organic additives are added.
- the one with the coating shows the provided side, if it is the one during deep drawing or ironing prevailing strong forming forces is exposed to a particularly low electrical contact resistance, which is particularly important in the manufacture of batteries with alkaline electrolyte is an advantage.
- On the inside of such a thing manufactured battery sleeve compared to the prior art low values for the electrical contact resistance between the Cathode substance of the battery and the inner surface of the battery sleeve.
- the addition of the organic additives mentioned to the electrolyte bath is particularly advantageous if the further coating with cobalt or a Cobalt alloy is made.
- electrically conductive or conductive particles of z As carbon, carbon black, graphite, TaS 2 , TiS 2 and / or MoSi 2 can be stored. Such inclusions can reduce the electrical contact resistance when the cold strip is later used to produce battery sleeves. For this purpose, it is also possible to coat the coating with a conductive particle such.
- the carbon content of the electroplating should be 0.7 to 15% by weight.
- As carbon suspended in the electroplating bath primarily finely divided particles of carbon (graphite or soot) come into consideration.
- the particle size is preferably 0.5 to 15 ⁇ m.
- the galvanic is preferably used to achieve the uniform flow Bath circulated evenly.
- a forced one has proven particularly suitable Flow rate of the electrolyte from 6 to 10 m / s highlighted.
- the galvanic bath suspension stabilizing and / or contain coagulation-reducing substances so as to ensure a uniform Distribution of carbon particles with no local or temporal To achieve concentrations.
- a cold strip preferably for the production of cylindrical containers and in particular battery containers by deep drawing or Ironing, consisting of one with a cold rolling degree of 30 to 95% cold-rolled strip with a carbon content of less than 0.5% by weight and a preferably electroplated coating on at least one of the two belt surfaces, the coating comprising the elements nickel, Cobalt, iron, bismuth, indium, palladium, gold or tin or their alloys contains and wherein the strip in a continuous strip annealing furnace is heat treated at an annealing material temperature above the limit temperature from the two-phase ferrite / austenite region to the austenite region.
- the cold strip over the first coating another coating of the elements nickel, cobalt, iron, bismuth, Contains indium, palladium, gold or tin or their alloys.
- galvanic or layers applied by vacuum evaporation are particularly useful consideration:
- Those for the normalization annealing of the cold strip according to the invention in one Continuous strip annealing furnace temperature depends on Carbon content of the strip material used.
- a so-called decarburized steel of max. 0.01 wt .-% C is an annealing temperature of 950 ° C to 1000 ° C of the annealing material / object with a maximum treatment time of 10 Aim for minutes.
- the annealing temperature is approx. 100 ° C less, but is still in the Austenite area of the Fe / C system.
- a further coating is carried out after the normalization annealing a galvanically applied layer of preferably cobalt or one Cobalt alloy Organic substances become the electrolyte bath added.
- the organic additives break down into electrolytes of flowing electricity Degradation products. These can then be combined with other ingredients of the Electrolyte bath, especially metal ions, react.
- the so won Reaction products are, if necessary, together with others Degradation products together with the cobalt or the cobalt alloy on the Cold strip deposited and cause a significant embrittlement of the layer.
- the Traps containing sulfur or carbon-containing organic substances can these reaction products are, for example, cobalt sulfides or cobalt carbides.
- Suitable organic additives in the electrolyte are those from the galvanic Coating known primary and secondary gloss agents. galvanic Precipitation from such additives lead to a very hard and at the same time brittle coating, which causes the material to later form through Deep drawing or ironing tends to crack. Draw the cracks is characterized by a relatively uniform structure with a diamond-shaped shape individual crack plates.
- Suitable gloss additives have z. B. 1,4 butynediol, o-benzoic acid sulfimide (saccharin), paratoluenesulfonamide and mixtures of these substances were found.
- the electrolyte thus provided with gloss additives is guided when a predominantly cobalt-containing electrolyte bath is prepared at an electrolyte bath temperature of 50-70 ° C. and a current density of 6-15 A / dm 2 .
- the pH value of the electrolyte bath should preferably be set to 4.0.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Electroplating Methods And Accessories (AREA)
- Heat Treatment Of Sheet Steel (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
Description
Kohlenstoff | 0,010 - 0,100% |
Mangan | 0,140 - 0,345 % |
Silizium | max. 0,06% |
Phosphor | max. 0,025% |
Schwefel | max. 0,030% |
Aluminium | 0,02 - 0,08% |
Stickstoff | max. 0,0080% |
Kupfer | max. 0,10% |
Chrom | max. 0,10% |
Nickel | max. 0,10% |
Bor | max. 0,006% |
Titan | max. 0,015% |
Rest: | Eisen |
Kohlenstoff | max. 0,010% |
Mangan | 0,10 - 0,25% |
Silizium | max. 0,15% |
Phosphor | max. 0,020% |
Schwefel | max. 0,020% |
Aluminium | 0,015 - 0,060% |
Stickstoff | max. 0,004% |
Kupfer | max. 0,08% |
Chrom | max. 0,06% |
Nickel | max. 0,10% |
Titan | 0,02 - 0,10% |
Niob | max. 0,10% |
Rest: | Eisen |
Kohlenstoff | 0,010 - 0,020% |
Mangan | 0,50 - 0,70% |
Silizium | max. 0,06% |
Phosphor | max. 0,025% |
Schwefel | max. 0,020% |
Aluminium | 0,02 - 0,08% |
Stickstoff | max. 0,009% |
Kupfer | max. 0,12% |
Chrom | max. 0,06% |
Nickel | max. 0,10% |
Rest: | Eisen |
Kohlenstoff | max. 0,10% |
Mangan | max. 1,65% |
Silizium | max. 0,50% |
Phosphor | max. 0,12% |
Schwefel | max. 0,030% |
Aluminium | mind. 0,015 |
Niob | max. 0,09% |
Titan | max. 0,22% |
Vanadin | max. 0,25% |
Rest: | Eisen |
Kohlenstoff | max. 0,25% |
Mangan | max. 1,65% |
Silizium | max. 0,60% |
Aluminium | min. 0,02% |
Phosphor | max. 0,025% |
Schwefel | max. 0,035% |
Vanadium | min. 0,03% |
Niob | min. 0,03% |
Molybdän | min. 0,20% |
Rest: | Eisen |
Claims (2)
- Verfahren zur Herstellung von tiefzieh- oder abstreckziehfähigem, veredeltem Kaltband mit einem Kohlenstoffgehalt von unter 0,5 Gew.-%, bei dem das mit einem Kaltwalzgrad von 30 % bis 95 % kaltgewalzte Band einer Wärmebehandlung im Glühofen sowie einer vorzugsweise galvanischen Beschichtung zumindest einer der beiden Bandoberflächen unterzogen wird, wobei die ein- oder mehrfach erzeugte Beschichtung die Elemente Nickel/Cobalt/Eisen/Wismut/Indium/Palladium/Gold/Zinn oder deren Legierungen enthält, und die Wärmebehandlung durch ein vor oder nach der Beschichtung durchgeführtes Glühen im kontinuierlich durchlaufenen Bandglühofen bei einer Temperatur oberhalb der Grenztemperatur vom Zweiphasengebiet Ferrit/Austenit (α/γ-Gebiet im System Eisen/Kohlenstoff) zum Austenitgebiet (γ-Gebiet im System Eisen/Kohtenstoff) erfolgt,
dadurch gekennzeichnet, daß nach dem Glühen eine zusätzliche Beschichtung des Bandes in einem galvanischen Bad unter Verwendung von die Sprödigkeit der Beschichtung erhöhender organischer Zusätze erfolgt, wobei Abbauprodukte dieser organischen Substanzen, die Bestandteil des Elektrolytbades sind, und/oder Reaktionsprodukte von organischen Substanzen, die Bestandteile des Elektrolytbades sind, in die Schicht mit eingebaut werden. - Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die organischen Elektrolytbadzusätze, deren Abbauprodukte und/oder Reaktionsprodukte aus Reaktionen dieser Abbauprodukte mit anderen Badbestandteilen die in die Beschichtung eingebaut werden, Glanzzusätze (sogenannte primäre oder sekundäre Glanzmittel) sind.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19937271A DE19937271C2 (de) | 1999-08-06 | 1999-08-06 | Verfahren zur Herstellung von tiefzieh- oder abstreckziehfähigem, veredeltem Kaltband, sowie Kaltband, vorzugsweise zur Herstellung von zylindrischen Behältern und insbesondere Batteriebehältern |
DE19937271 | 1999-08-06 | ||
PCT/EP2000/007503 WO2001011114A1 (de) | 1999-08-06 | 2000-08-03 | Verfahren zur herstellung von tiefzieh- oder abstreckziehfähigem, veredeltem kaltband sowie kaltband, vorzugsweise zur herstellung von zylindrischen behältern und insbesondere batteriebehältern |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1200647A1 EP1200647A1 (de) | 2002-05-02 |
EP1200647B1 true EP1200647B1 (de) | 2004-10-06 |
Family
ID=7917526
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00958370A Expired - Lifetime EP1200647B1 (de) | 1999-08-06 | 2000-08-03 | Verfahren zur herstellung von tiefzieh- oder abstreckziehfähigem, veredeltem kaltband sowie kaltband, vorzugsweise zur herstellung von zylindrischen behältern und insbesondere batteriebehältern |
Country Status (8)
Country | Link |
---|---|
US (1) | US6982011B1 (de) |
EP (1) | EP1200647B1 (de) |
JP (1) | JP2003525346A (de) |
KR (1) | KR20020032542A (de) |
CN (1) | CN1188551C (de) |
AU (1) | AU6991800A (de) |
DE (2) | DE19937271C2 (de) |
WO (1) | WO2001011114A1 (de) |
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DE10129900C1 (de) * | 2001-06-21 | 2003-02-13 | Hille & Mueller Gmbh | Verfahren zur Wärmebehandlung eines Kaltbandes mit einer Oberflächenbeschichtung aus Ni und/oder Co, durch das Verfahren herstellbares Blech und durch das Verfahren herstellbarer Batteriebecher |
JP2004076117A (ja) * | 2002-08-20 | 2004-03-11 | Toyo Kohan Co Ltd | 電池ケース用表面処理鋼板および、それを用いた電池ケース |
DE10316612B4 (de) * | 2003-04-11 | 2006-06-29 | Hille & Müller GMBH | Elektrolytisch beschichtetes Kaltband, Verfahren zur Beschichtung desselben sowie Batteriehülse |
JPWO2005056885A1 (ja) * | 2003-12-08 | 2007-07-05 | 東洋鋼鈑株式会社 | 電池容器用めっき鋼板、その電池容器用めっき鋼板を用いた電池容器、およびその電池容器を用いた電池 |
JP4690848B2 (ja) * | 2005-10-13 | 2011-06-01 | 新日本製鐵株式会社 | 外観、加工性、溶接性に優れた高張力溶融Znめっき鋼材及びその製造方法 |
JP5188683B2 (ja) | 2006-06-12 | 2013-04-24 | パナソニック株式会社 | 接点部品または電池部品用材料と、それを用いた電池 |
JP5581805B2 (ja) * | 2010-05-24 | 2014-09-03 | トヨタ自動車株式会社 | ステンレス鋼材へのめっき方法及びそのめっき材 |
JP6067565B2 (ja) * | 2010-10-06 | 2017-01-25 | タタ、スティール、アイモイデン、ベスローテン、フェンノートシャップTata Steel Ijmuiden Bv | 包装鋼基材上に鉄−スズ合金層を製造する方法 |
DE102011109016A1 (de) * | 2011-07-30 | 2013-01-31 | GEDIA Gebrüder Dingerkus GmbH | Gehäuse aus Stahlblech |
JP6076138B2 (ja) * | 2012-03-02 | 2017-02-08 | ローム アンド ハース エレクトロニック マテリアルズ エルエルシーRohm and Haas Electronic Materials LLC | カーボンブラックと金属との複合体 |
CN103667942B (zh) * | 2013-11-14 | 2016-01-13 | 安徽荣达阀门有限公司 | 一种耐磨泵轴用中碳钢材料及其制备方法 |
JPWO2015072058A1 (ja) * | 2013-11-15 | 2017-03-16 | パナソニックIpマネジメント株式会社 | アルカリ乾電池 |
CN105256224A (zh) * | 2015-11-11 | 2016-01-20 | 攀钢集团攀枝花钢铁研究院有限公司 | 油汀用冷轧微碳钢带及其制备方法 |
US11946121B2 (en) * | 2017-07-28 | 2024-04-02 | Jfe Steel Corporation | Steel sheet for battery outer tube cans, battery outer tube can and battery |
CN115852243A (zh) * | 2021-09-24 | 2023-03-28 | 宝山钢铁股份有限公司 | 一种高耐蚀耐热预镀镍电池壳钢及其制造方法 |
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-
1999
- 1999-08-06 DE DE19937271A patent/DE19937271C2/de not_active Expired - Fee Related
-
2000
- 2000-08-03 DE DE50008141T patent/DE50008141D1/de not_active Expired - Lifetime
- 2000-08-03 KR KR1020027001334A patent/KR20020032542A/ko not_active Application Discontinuation
- 2000-08-03 AU AU69918/00A patent/AU6991800A/en not_active Abandoned
- 2000-08-03 JP JP2001515357A patent/JP2003525346A/ja active Pending
- 2000-08-03 WO PCT/EP2000/007503 patent/WO2001011114A1/de active IP Right Grant
- 2000-08-03 CN CNB008108471A patent/CN1188551C/zh not_active Expired - Fee Related
- 2000-08-03 US US10/049,152 patent/US6982011B1/en not_active Expired - Lifetime
- 2000-08-03 EP EP00958370A patent/EP1200647B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE19937271C2 (de) | 2003-01-09 |
DE19937271A1 (de) | 2001-02-15 |
KR20020032542A (ko) | 2002-05-03 |
AU6991800A (en) | 2001-03-05 |
CN1364205A (zh) | 2002-08-14 |
WO2001011114A1 (de) | 2001-02-15 |
DE50008141D1 (de) | 2004-11-11 |
EP1200647A1 (de) | 2002-05-02 |
US6982011B1 (en) | 2006-01-03 |
JP2003525346A (ja) | 2003-08-26 |
CN1188551C (zh) | 2005-02-09 |
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