EP2044234A2 - Verfahren zum flexiblen walzen von beschichteten stahlbändern - Google Patents
Verfahren zum flexiblen walzen von beschichteten stahlbändernInfo
- Publication number
- EP2044234A2 EP2044234A2 EP08707473A EP08707473A EP2044234A2 EP 2044234 A2 EP2044234 A2 EP 2044234A2 EP 08707473 A EP08707473 A EP 08707473A EP 08707473 A EP08707473 A EP 08707473A EP 2044234 A2 EP2044234 A2 EP 2044234A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- hot
- rolling
- coating
- thickness
- flexible
- 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
- 238000005096 rolling process Methods 0.000 title claims abstract description 56
- 238000000034 method Methods 0.000 title claims abstract description 36
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 21
- 239000010959 steel Substances 0.000 title claims abstract description 21
- 238000000576 coating method Methods 0.000 claims abstract description 23
- 229910052751 metal Inorganic materials 0.000 claims abstract description 23
- 239000002184 metal Substances 0.000 claims abstract description 23
- 239000011248 coating agent Substances 0.000 claims abstract description 19
- 238000004381 surface treatment Methods 0.000 claims abstract description 11
- 238000010521 absorption reaction Methods 0.000 claims abstract description 8
- 238000004519 manufacturing process Methods 0.000 claims abstract description 5
- 239000000126 substance Substances 0.000 claims abstract description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 28
- 229910052725 zinc Inorganic materials 0.000 claims description 28
- 239000011701 zinc Substances 0.000 claims description 28
- 239000000463 material Substances 0.000 claims description 19
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 238000003618 dip coating Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims 2
- 238000005868 electrolysis reaction Methods 0.000 claims 1
- 229910052697 platinum Inorganic materials 0.000 claims 1
- 238000003723 Smelting Methods 0.000 abstract 1
- 238000005246 galvanizing Methods 0.000 description 22
- 238000010438 heat treatment Methods 0.000 description 15
- 238000000137 annealing Methods 0.000 description 11
- 150000002739 metals Chemical class 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 230000005672 electromagnetic field Effects 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000001953 recrystallisation Methods 0.000 description 2
- 229910001297 Zn alloy Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005269 aluminizing Methods 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 235000019589 hardness Nutrition 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/26—After-treatment
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/14—Removing excess of molten coatings; Controlling or regulating the coating thickness
- C23C2/16—Removing excess of molten coatings; Controlling or regulating the coating thickness using fluids under pressure, e.g. air knives
- C23C2/18—Removing excess of molten coatings from elongated material
- C23C2/20—Strips; Plates
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/34—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the shape of the material to be treated
- C23C2/36—Elongated material
- C23C2/40—Plates; Strips
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/16—Control of thickness, width, diameter or other transverse dimensions
- B21B37/24—Automatic variation of thickness according to a predetermined programme
- B21B37/26—Automatic variation of thickness according to a predetermined programme for obtaining one strip having successive lengths of different constant thickness
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/62—Quenching devices
- C21D1/673—Quenching devices for die quenching
Definitions
- the invention relates to a method for flexible rolling of coated steel strips.
- DE 10 2004 023 886 A1 discloses a method and a device for finishing flexibly rolled strip material.
- the material thickness of this strip is changed periodically to produce in a continuous process, the starting material for single boards, which has adapted material thicknesses according to the requirements of the sheet metal parts to be produced therefrom in the tape longitudinal direction.
- the strip material is first wound on a coil. A heat treatment usually takes place on the wound coil. The strip is then unwound from the coil, subjected to a surface treatment and wound up again on a coil. Only then, in a further process, the separation of individual boards and the further processing to individual sheet metal components.
- the up- The aim is to be achieved in that the strip is produced as flexible rolled strip material, is wound up and then unwound from the coil and heat treated and hot dip galvanized in a single continuous pass through a treatment line of annealing, quenching, preheating and zinc bath.
- a continuous furnace with an annealing section and a quenching section, a preheating and a zinc bath is provided and a final Abblasdüse.
- Galvanizing takes place at 470 ° to 500 0 C, a portion of the energy used for the previous heat treatment for the Verzinkungsvor- is to be utilized gear.
- excess adhesive zinc be blown off the strip material to achieve a precisely set layer thickness, which also determines the strip thickness and should serve to control the nozzle spacing.
- DE 10 2005 031 461 A1 discloses a method for producing a microalloyed cold strip having a profile of properties tailored to the thickness profile, wherein a hot strip of steel with a substantially homogeneous thickness and strength to form a cold strip having a substantially constant strip thickness with degrees of rolling in A rolling range between 5 and 60% is rolled, an annealing of the cold strip is carried out at a temperature between 500 ° C and 600 0 C and a second rolling of the cold strip is performed, wherein the rolling is performed flexibly such that predefined thickness profiles are set with a Higher thickness region and a region of lesser thickness and then a second annealing treatment is performed.
- EP 1 074 317 Bl a method for flexible rolling of a metal strip is known, wherein the metal strip during the Rolling process performed by a nip formed between two work rolls and the roll gap is selectively moved during the rolling process to achieve over the length of the metal strip different thicknesses.
- This flexible rolling should be characterized in that during the rolling process, the nip is selectively moved, whereby different lengths of tape sections are rolled with different tape thicknesses that can be connected to each other via different slopes.
- the aim of flexible rolling is to produce rolled products with load and weight optimized cross-sectional shapes.
- EP 1 074 317 B1 proposes an improved process for flexible rolling in order to achieve a metal strip with improved flatness, even with wide strips.
- EP 1 080 800 B1 likewise discloses a method for flexible rolling which essentially corresponds to the aforementioned, wherein a temperature influence acting on the metal strip during rolling is compensated for deviations from the nominal thickness and / or nominal length of the individual To avoid band sections at a given final temperature of the metal strip.
- the object of the invention is to provide flexible rolled and provided with a corrosion protection plates for the press hardening process available, which are considerably cheaper than previously produced.
- the object is achieved by a method having the features of claim 1.
- the flexible rolling is carried out with different rolling pressures in order to produce different thicknesses of the steel strip. So far, no galvanized or otherwise coated sheets have been used for this, since the flexible rolling also affects the coating thickness of the coating.
- the possible coatings with which the flexible rolls to be rolled can be coated according to the invention are hot-dip coatings and electrolytic coatings.
- Possible hot-dip coatings are z.
- Possible electrolytic coatings are, for example, electrolytically applied zinc layers, but of course other electrolytically applied metal layers are also possible.
- inventively recognized problems that the different sheet thicknesses give different heating curves over the tape length and that different zinc layer thicknesses arise as a result of the flexible rolling process are inventively achieved in that a hot strip is hot dip galvanized before flexible rolling and / or the emissivity or the degree of absorption is influenced by mechanical or chemical treatment of the zinc surface.
- a different heat absorption capacity over the strip length can be achieved.
- the degree of absorption in a region in which the tape and / or the coating is particularly thin is set poorly, while being particularly well adjusted in the region in which the tape and / or the coating is particularly thick. Of course, appropriate intermediate levels are met.
- the zinc layer thickness is preset by means of variable adjustment of the stripping pressure or additional electromagnetic fields during hot-dip galvanizing of the hot strip , Areas that are then very flexible very flexible Thus, after being hot-dip galvanized, they have a thicker layer of zinc, while areas that remain thicker have a thinner layer of zinc.
- the corresponding different intermediate areas are also set here or are readily adjustable.
- the procedure according to the invention makes it possible to achieve a significantly more cost-efficient production of flexible rolled sheet metal automotive parts, since the transport costs of the coils for the post-galvanizing and the bell annealing usual in the prior art are eliminated.
- the Wuppermann method Wuppermann method
- the considerably less expensive continuous hot-dip galvanizing process can be used on the strip, so that considerable savings are also made here.
- FIG. 1 shows a flow chart schematically showing the possible process sequences according to the invention
- FIG. 2 shows a flowchart schematically showing the method sequence according to the prior art.
- hitherto uncoated hot strip was usually calibrated from ordinary automotive steels, then flexibly rolled and then subjected to recrystallization annealing to reverse the microstructural changes produced by rolling.
- This recrystallization annealing usually takes place in a crucible annealing furnace, wherein the strip is previously unwound into a so-called coil and annealed as a whole coil. Subsequently, these annealed coils are transported to a galvanizing plant and there galvanized and then transported back again, cut boards and shaped components, which then yield the final product.
- a hot strip or cold strip is fed to a galvanizing plant in which the strip is unwound from the coil, welded to the preceding strip and then passed through the galvanizing plant.
- the strip is heated and then the passage through the hot-dip galvanizing bath, known per se, takes place.
- the stripping device produces a zinc layer with a thickness that can be applied flexibly.
- the stripping device can also be a system which acts on the zinc layer by stripping off an electromagnetic field.
- hot-dip galvanizing process can, of course, likewise be used successfully in other hot-dip galvanizing applications, for example fire aluminizing or hot-dip coatings of alloys based on aluminum or alloys based on zinc and alloys of other metals or with more metals than zinc and Aluminum.
- the layer thickness to be applied is controlled by the strength of the electrolytically active stream and / or the strip speed in the electrolytic coating bath, the control system basically also being used as the control with which the positionally accurate deviation of the different sheet thicknesses during flexible rolling is also carried out.
- the flexible rollers can follow, with the flexible rollers, as already stated, different thicknesses can be achieved exactly positioned with respect to the tape length. From the flexibly rolled sheet metal blanks are subsequently cut in a manner known per se, which boards accordingly also have given thickness over the length or width. These boards with different thickness profiles are then used according to the invention for a press hardening.
- the press hardening can be realized by two different methods.
- the cut boards are austenitized, d. H. subjected to a heat treatment in which austenite conversion takes place depending on the steel.
- the hot board is inserted into a hot forming tool, formed in the hot forming tool to the component and cooled at the same time.
- the cooling takes place here with a temperature which is above the critical hardening temperature, so that the curing takes place simultaneously in the forming tool.
- the hardened formed board leaves the press and can optionally be reworked or is already the final product.
- mold hardening is performed instead of hot working.
- the board is cold formed.
- this cold transformation already takes place completely in all three spatial directions, ie the trimming of the edges and the creation of a hole pattern.
- the board is formed with an undersize of 0.5 to 2% in all three spatial directions and then austenitized.
- the thermal expansion compensates for the under-forming by 0.5 to 2%, so that after complete heating, the formed blank has its final geometry.
- This now final geometry or final contour corresponding board is inserted into a mold hardening tool, which also has exactly the contour or geometry of the desired end component.
- the component is in the mold hardening tool at least in the field of particularly strongly shaped areas held positively, preferably held completely positive fit, cooled and cured by cooling.
- the component is removed as an end product from the mold hardening tool.
- austenitization of the boards takes place.
- the board is heated to about 900 ° to 950 0 C in the preferably used hardenable steels type 22MnB5.
- different heat profiles or heat treatment profiles also result in the sheet, which ultimately result in different temperatures over the length or width of the board. Since a complete hardening is desired, therefore, the areas with larger sheet thicknesses must at least have the austenitizing temperature. However, this leads to the fact that the thinner areas are virtually overheated. Due to these different Temperaturg. Heat treatment profiles of the different sheet metal thickness ranges of the board over the entire treatment process may result in different hardnesses or material properties.
- the surface of the strip is influenced after galvanizing and before the flexible rolling or after the flexible rolling and cutting in front of the sinker.
- the surface treatment of the tape can be done in different ways.
- the aim of the surface treatment is to influence the emissivity or the absorption of heat or heat radiation.
- a different zinc layer thickness order before rolling can also be avoided and only by the surface treatment quasi-same properties were achieved during annealing.
- this can be achieved by a matting treatment, a skin pass, d. H. a micro-contouring of the surface, or an additional coating done.
- the areas which are later thicker after flexible rolling or even after flexible rolling can be given a matted, low-reflecting or dressed surface or be provided with a temporary dark protective lacquer or with a metal oxide surface which provides a particularly good absorption of Thermal radiation and thus a good heating of the thicker areas allows.
- the same control as for the flexible rolling or the flexible galvanizing is basically used, so that the corresponding areas in their surface condition can be changed precisely and very correctly.
- the advantage of the invention is that it is possible to flexibly roll hardenable steels, which have to be subjected to a heat treatment for the hardening, and nevertheless to form them with a corrosion protection layer, whereby products having a high homogeneity with respect to the material properties are obtained.
- sheet metal components can be obtained in a considerably more favorable manner with this method.
- the invention is not limited to hardenable steels, for example of the type 22MnB5.
- the flexible galvanizing or galvanizing with flexible layer thicknesses is also applicable to steels that should not undergo further heat treatment, with success.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Coating With Molten Metal (AREA)
- Metal Rolling (AREA)
- Electroplating Methods And Accessories (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007013739A DE102007013739B3 (de) | 2007-03-22 | 2007-03-22 | Verfahren zum flexiblen Walzen von beschichteten Stahlbändern |
PCT/EP2008/000786 WO2008113426A2 (de) | 2007-03-22 | 2008-01-31 | Verfahren zum flexiblen walzen von beschichteten stahlbändern |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2044234A2 true EP2044234A2 (de) | 2009-04-08 |
EP2044234B1 EP2044234B1 (de) | 2013-08-28 |
Family
ID=39202155
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08707473.8A Active EP2044234B1 (de) | 2007-03-22 | 2008-01-31 | Verfahren zum flexiblen walzen von beschichteten stahlbändern |
Country Status (6)
Country | Link |
---|---|
US (1) | US8522586B2 (de) |
EP (1) | EP2044234B1 (de) |
JP (1) | JP5226017B2 (de) |
DE (1) | DE102007013739B3 (de) |
ES (1) | ES2431939T3 (de) |
WO (1) | WO2008113426A2 (de) |
Cited By (3)
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EP2332956A1 (de) | 2002-07-08 | 2011-06-15 | Genentech, Inc. | PRO71238 bindender Antikörper |
FR3088860A1 (fr) | 2018-11-27 | 2020-05-29 | Psa Automobiles Sa | Vehicule comprenant une commande d’ouverture exterieure d’ouvrant vissee sur un element d’aspect |
WO2020254747A1 (fr) | 2019-06-21 | 2020-12-24 | Psa Automobiles Sa | Aile de vehicule avec zone fusible pour deformation programmee |
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MX2009008557A (es) * | 2007-02-23 | 2009-08-21 | Corus Staal Bv | Metodo para conformacion termomecanica de un producto final con una tenacidad muy alta y producto elaborado por el mismo. |
CN101802230B (zh) * | 2007-07-19 | 2012-10-17 | 塔塔钢铁艾默伊登有限责任公司 | 在长度方向上具有可变厚度的钢带 |
CN105821199B (zh) * | 2007-07-19 | 2018-09-04 | 穆尔和本德公司 | 用于对在长度方向具有不同厚度的钢带进行退火的方法 |
EP2025771A1 (de) * | 2007-08-15 | 2009-02-18 | Corus Staal BV | Verfahren zur Herstellung eines beschichteten Stahlbandes zur Herstellung von Platinenzuschnitten zur thermomechanischen Formgebung, so hergestelltes Band und Verwendung eines solchen Bandes |
DE102009016852A1 (de) * | 2009-04-08 | 2010-10-14 | Bayerische Motoren Werke Aktiengesellschaft | Verfahren zur Herstellung wärmebehandelter Blechformteile aus einem Stahlblechmaterial mit einer Korrosionsschutzbeschichtung und derartiges Blechformteil |
DE102009050997B4 (de) * | 2009-10-28 | 2017-07-13 | Volkswagen Ag | Verfahren und Umformvorrichtung zur Herstellung eines formgehärteten Bauteils |
DE102009051673B3 (de) | 2009-11-03 | 2011-04-14 | Voestalpine Stahl Gmbh | Herstellung von Galvannealed-Blechen durch Wärmebehandlung elektrolytisch veredelter Bleche |
CN103384726B (zh) * | 2010-12-24 | 2016-11-23 | 沃斯特阿尔派因钢铁有限责任公司 | 生产硬化的结构部件的方法 |
DE102011007937B4 (de) * | 2011-01-03 | 2015-09-10 | Benteler Automobiltechnik Gmbh | Verfahren zum Herstellen eines Strukturbauteils einer Kraftfahrzeugkarosserie |
DE102012110972B3 (de) * | 2012-11-14 | 2014-03-06 | Muhr Und Bender Kg | Verfahren zum Herstellen eines Erzeugnisses aus flexibel gewalztem Bandmaterial und Erzeugnis aus flexibel gewalztem Bandmaterial |
EP2824213A1 (de) * | 2013-07-12 | 2015-01-14 | Voestalpine Stahl GmbH | Verfahren zur Verbesserung der Haftfähigkeit auf einem schutzbeschichteten Stahlblech |
DE102014109315C5 (de) * | 2014-07-03 | 2022-02-24 | Thyssenkrupp Ag | Verfahren zum Herstellen von Profilen aus Metall |
WO2016144626A1 (en) | 2015-03-06 | 2016-09-15 | Magna International Inc. | Tailored material properties using infrared radiation and infrared absorbent coatings |
DE102017110864B3 (de) | 2017-05-18 | 2018-10-18 | Voestalpine Metal Forming Gmbh | Verfahren und Vorrichtung zum Erzeugen gehärteter Stahlblechbauteile mit unterschiedlichen Blechdicken |
US11177763B2 (en) * | 2017-06-14 | 2021-11-16 | Thomas E. RUSSELL | Metallurgical steel post design for solar farm foundations and increased guardrail durability |
WO2019215131A1 (en) * | 2018-05-08 | 2019-11-14 | Tata Steel Ijmuiden B.V. | Variably rolled steel strip, sheet or blank and production method therefor |
CN108913867B (zh) * | 2018-06-20 | 2019-12-24 | 银邦金属复合材料股份有限公司 | 连续生产铝/不锈钢复合材料的方法及*** |
DE102018118015A1 (de) | 2018-07-25 | 2020-01-30 | Muhr Und Bender Kg | Verfahren zur Herstellung eines gehärteten Stahlprodukts |
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DE10041280C2 (de) | 2000-08-22 | 2003-03-06 | Muhr & Bender Kg | Verfahren und Vorrichtung zum flexiblen Walzen eines Metallbandes |
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- 2008-01-31 EP EP08707473.8A patent/EP2044234B1/de active Active
- 2008-01-31 JP JP2009553929A patent/JP5226017B2/ja active Active
- 2008-01-31 WO PCT/EP2008/000786 patent/WO2008113426A2/de active Application Filing
- 2008-01-31 ES ES08707473T patent/ES2431939T3/es active Active
- 2008-01-31 US US12/532,118 patent/US8522586B2/en active Active
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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EP2332956A1 (de) | 2002-07-08 | 2011-06-15 | Genentech, Inc. | PRO71238 bindender Antikörper |
FR3088860A1 (fr) | 2018-11-27 | 2020-05-29 | Psa Automobiles Sa | Vehicule comprenant une commande d’ouverture exterieure d’ouvrant vissee sur un element d’aspect |
WO2020254747A1 (fr) | 2019-06-21 | 2020-12-24 | Psa Automobiles Sa | Aile de vehicule avec zone fusible pour deformation programmee |
FR3097494A1 (fr) | 2019-06-21 | 2020-12-25 | Psa Automobiles Sa | Aile de vehicule avec zone fusible pour deformation programmee |
Also Published As
Publication number | Publication date |
---|---|
WO2008113426A3 (de) | 2009-03-19 |
US8522586B2 (en) | 2013-09-03 |
JP2010521588A (ja) | 2010-06-24 |
WO2008113426A2 (de) | 2008-09-25 |
DE102007013739B3 (de) | 2008-09-04 |
US20110132052A1 (en) | 2011-06-09 |
JP5226017B2 (ja) | 2013-07-03 |
ES2431939T3 (es) | 2013-11-28 |
EP2044234B1 (de) | 2013-08-28 |
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