EP1013785A1 - Procédé de réalisation d'une pièce à partir d'une bande de tôle d'acier laminée et notamment laminée à chaud - Google Patents
Procédé de réalisation d'une pièce à partir d'une bande de tôle d'acier laminée et notamment laminée à chaud Download PDFInfo
- Publication number
- EP1013785A1 EP1013785A1 EP19990403227 EP99403227A EP1013785A1 EP 1013785 A1 EP1013785 A1 EP 1013785A1 EP 19990403227 EP19990403227 EP 19990403227 EP 99403227 A EP99403227 A EP 99403227A EP 1013785 A1 EP1013785 A1 EP 1013785A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sheet
- steel
- alloy
- metal
- hot
- 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
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 27
- 239000010959 steel Substances 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000008569 process Effects 0.000 title claims abstract description 6
- 238000004519 manufacturing process Methods 0.000 title claims 2
- 239000011248 coating agent Substances 0.000 claims abstract description 30
- 238000000576 coating method Methods 0.000 claims abstract description 30
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 22
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910052751 metal Inorganic materials 0.000 claims abstract description 17
- 239000002184 metal Substances 0.000 claims abstract description 17
- 238000005260 corrosion Methods 0.000 claims abstract description 15
- 230000007797 corrosion Effects 0.000 claims abstract description 15
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 13
- 239000000956 alloy Substances 0.000 claims abstract description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 10
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000005461 lubrication Methods 0.000 claims abstract description 5
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 5
- 239000010703 silicon Substances 0.000 claims abstract description 5
- 238000001816 cooling Methods 0.000 claims abstract description 4
- 229910052742 iron Inorganic materials 0.000 claims abstract description 3
- 238000010438 heat treatment Methods 0.000 claims description 13
- 238000007493 shaping process Methods 0.000 claims description 13
- 229910001092 metal group alloy Inorganic materials 0.000 claims description 10
- 238000005261 decarburization Methods 0.000 claims description 9
- 230000000171 quenching effect Effects 0.000 claims description 9
- 229910000765 intermetallic Inorganic materials 0.000 claims description 8
- 238000010791 quenching Methods 0.000 claims description 8
- 238000005299 abrasion Methods 0.000 claims description 4
- 238000005098 hot rolling Methods 0.000 claims description 4
- 230000004888 barrier function Effects 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 2
- 239000001995 intermetallic alloy Substances 0.000 abstract description 7
- 229910000838 Al alloy Inorganic materials 0.000 abstract description 3
- 239000002131 composite material Substances 0.000 abstract 3
- 238000003825 pressing Methods 0.000 abstract 2
- 239000004411 aluminium Substances 0.000 description 6
- 239000000314 lubricant Substances 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000005554 pickling Methods 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000576 Laminated steel Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000004320 controlled atmosphere Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 206010016256 fatigue Diseases 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000003867 tiredness Effects 0.000 description 1
- 208000016255 tiredness Diseases 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
Classifications
-
- 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
-
- 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
- C21D9/48—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals deep-drawing sheets
-
- 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
- C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
- C23C2/12—Aluminium or alloys based thereon
-
- 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
- C23C2/26—After-treatment
- C23C2/28—Thermal after-treatment, e.g. treatment in oil bath
-
- 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
- C23C2/28—Thermal after-treatment, e.g. treatment in oil bath
- C23C2/29—Cooling or quenching
Definitions
- the invention relates to a method of producing a part from a strip of rolled steel sheet and in particular hot rolled.
- the object of the invention is to provide laminated steel sheets of 0.2 mm to about 20 mm thick, coated especially after hot rolling, and having to undergo shaping, either hot or cold followed by heat treatment, the temperature rise in front be ensured without decarburization of the sheet steel, without oxidation of the surface of said sheet, before, during and after hot forming and or heat treatment.
- the invention also relates to a hot-rolled sheet having a coating of metal or metal alloy deposited in surface, for the hot making of an intermetallic compound, the intermetallic compound ensuring corrosion protection, barrier against decarburization of sheet steel, lubrication during hot forming of the sheet, and on the finished part, after setting shape and cooling, mechanical hardness characteristics of high steel as well as a high surface hardness of the surface said finished part.
- the invention also relates to the use of sheet metal in hot forming, in particular by stamping parts with high mechanical hardness characteristics and high surface hardness characteristics ensuring very good abrasion resistance.
- stamping parts with high mechanical hardness characteristics and high surface hardness characteristics ensuring very good abrasion resistance.
- the method according to the invention consists in coating a steel in particular hot rolled, for heat treatment and or hot forming, with a metal or a metal alloy such as aluminum or an alloy aluminum composed for example of aluminum and silicon.
- the coating of metal or metal alloy is chosen so as to have corrosion protection and so as to withstand high temperature.
- the coating forms an alloy layer with high resistance to corrosion, abrasion, wear and tiredness.
- the coating does not modify the formability properties of steel and thus allows a wide variety of cold forming and hot.
- the strip After hot rolling the strip can be pickled and rolled to cold before being coated. In the case where the sheet is cold rolled, that it can be annealed before being coated.
- the sheet is subjected at a temperature rise preferably between 750 ° C and 1200 ° C in an oven with an atmosphere no longer requiring control due to the oxidation barrier formed by the coating. then as the temperature rises, the aluminum-based coating becomes transforms into an alloyed surface layer with different phases depending on the temperature treatment and having a high hardness can exceed 600 HV 100g.
- the sheets supplied coated have significant resistance to corrosion during temperature increases, shaping, heat treatments, and when using finished formed parts.
- the presence of the coating during heat treatments or hot forming avoids decarburization in addition to corrosion basic steel. This has an undeniable advantage in the case of an implementation hot formed for example in a stamping press. Indeed, the intermetallic alloy formed avoids, the formation of scale, the wear of tools by the scale, and therefore allows a longer life average of said tools. It has been noted that the intermetallic alloy formed hot, has a high temperature lubricant function. In addition, the effect protection against decarburization of the intermetallic alloy allows the use of a high temperature oven above 900 ° C with an atmosphere uncontrolled, even for several heating times hours.
- the coating By the characteristics of the coating after raising temperature, the parts obtained have an increased resistance to fatigue, wear, abrasion and corrosion. In addition, the coating is weldable before and after temperature rise.
- the sheet steel ensures, by cooling quenching effect, high mechanical characteristics of the part obtained after setting form, the coating transformed into a hot intermetallic alloy ensuring for its part, because of its qualities of lubricant and resistance friction, improved formatting, especially in the hot stamping field.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Crystallography & Structural Chemistry (AREA)
- Coating With Molten Metal (AREA)
- Heat Treatment Of Sheet Steel (AREA)
- Heat Treatment Of Steel (AREA)
- Heat Treatment Of Articles (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Abstract
Description
- on revêt la tôle laminée d'un métal ou d'un alliage métallique assurant une protection de la surface et de l'acier,
- on soumet la tôle revêtue à une élévation en température pour sa mise en forme,
- on réalise, de ce fait un composé allié intermétallique, en surface, assurant une protection contre la corrosion, contre la décarburation de l'acier, le composé intermétallique pouvant assurer une fonction de lubrification,
- on effectue la mise en forme notamment par emboutissage,
- on refroidit la pièce formée pour conférer des caractéristiques mécaniques de dureté élevées de l'acier et une dureté superficielle élevée du revêtement.
- on revêt la tôle laminée à chaud après laminage à chaud et décapage,
- le métal ou l'alliage métallique de revêtement est de l'aluminium ou un alliage d'aluminium.
- l'alliage intermétallique est un composé à base principalement d'aluminium, de fer et de silicium,
- le revêtement de métal ou d'alliage métallique et effectué au trempé à chaud.
- la tôle revêtue est soumise à une élévation de température supérieure à 700°C avant la mise en forme et ou le traitement thermique,
- la tôle revêtue est emboutie à chaud.
- la pièce obtenue notamment par emboutissage est refroidie pour subir une trempe, à une vitesse supérieure à la vitesse critique de trempe.
- la tôle comporte un dépôt en surface d'aluminium ou d'un alliage d'aluminium.
La description qui suit fera bien comprendre l'invention.
Claims (11)
- Procédé de réalisation d'une pièce à partir d'une bande de tôle d'acier laminée et notamment laminée à chaud, caractérisée en ce que:on revêt la tôle laminée d'un métal ou d'un alliage métallique assurant une protection de la surface et de l'acier,on soumet la tôle revêtue à une élévation en température pour sa mise en forme,on réalise, de ce fait un composé allié intermétallique, en surface, assurant une protection contre la corrosion, contre la décarburation de l'acier, le composé intermétallique pouvant assurer une fonction de lubrification,on effectue la mise en forme notamment par emboutissage,on refroidit la pièce formée pour conférer des caractéristiques mécaniques de dureté élevées de l'acier et une dureté superficielle élevée du revêtement.
- Procédé selon la revendication 1 caractérisé en ce que on revêt le tôle laminée à chaud immédiatement après laminage à chaud,
- Procédé selon la revendication 1 caractérisé en ce que le métal ou l'alliage métallique de revêtement est de l'aluminium ou un alliage d'aluminium.
- Procédé selon la revendication 1 caractérisé en ce que l'alliage intermétallique est un composé à base d'aluminium, de fer et de silicium.
- Procédé selon la revendication 1 caractérisé en ce que le revêtement de métal ou d'alliage métallique et effectué au trempé à chaud.
- Procédé selon la revendication 1 caractérisé en ce que la tôle revêtue est soumise à une élévation de température supérieure à 700°C avant la mise en forme et ou le traitement thermique.
- Procédé selon la revendication 1 caractérisé en ce que la tôle revêtue est emboutie à chaud.
- Procédé selon la revendication 1 caractérisé en ce que la pièce obtenue notamment par emboutissage est refroidie pour subir une trempe, à une vitesse supérieure à la vitesse critique de trempe.
- Tôle laminée notamment à chaud comportant un revêtement de métal ou d'alliage métallique déposé en surface, pour la réalisation à chaud d'un composé intermétallique, le composé intermétallique assurant, une protection contre la corrosion, une barrière contre la décarburation de l'acier de la tôle, une lubrification lors de la mise en forme à chaud de la tôle, et sur la pièce finie, après mise en forme et refroidissement, des caractéristiques mécaniques de dureté de l'acier élevées ainsi qu'une dureté superficielle élevée de la surface de ladite pièce finie.
- Tôle laminée à chaud selon la revendication 9 caractérisée en ce qu'elle comporte un dépôt en surface d'aluminium ou d'un alliage d'aluminium.
- Utilisation de la tôle selon les revendications 9 ou 10 dans la mise en forme à chaud notamment par emboutissage de pièces de hautes caractéristiques mécaniques en dureté et de hautes caractéristiques de dureté en surface assurant une très bonne tenue à l'abrasion.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE69933751.8T DE69933751T3 (de) | 1998-12-24 | 1999-12-21 | Herstellungsverfahren für Formteile aus warmgewalztem Stahlblech |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9816477 | 1998-12-24 | ||
FR9816477A FR2787735B1 (fr) | 1998-12-24 | 1998-12-24 | Procede de realisation d'une piece a partir d'une bande de tole d'acier laminee et notamment laminee a chaud |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1013785A1 true EP1013785A1 (fr) | 2000-06-28 |
EP1013785B1 EP1013785B1 (fr) | 2006-10-25 |
EP1013785B2 EP1013785B2 (fr) | 2015-08-12 |
Family
ID=9534536
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99403227.4A Expired - Lifetime EP1013785B2 (fr) | 1998-12-24 | 1999-12-21 | Procédé de réalisation d'une pièce à partir d'une bande de tôle d'acier laminée à chaud |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP1013785B2 (fr) |
AT (1) | ATE343658T2 (fr) |
DE (1) | DE69933751T3 (fr) |
DK (1) | DK1013785T4 (fr) |
ES (1) | ES2274609T5 (fr) |
FR (1) | FR2787735B1 (fr) |
PT (1) | PT1013785E (fr) |
Cited By (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10307184B3 (de) * | 2003-02-20 | 2004-04-08 | Benteler Automobiltechnik Gmbh | Verfahren zur Herstellung eines gehärteten Strukturbauteils für den Fahrzeugbau |
WO2005021820A1 (fr) | 2003-07-29 | 2005-03-10 | Voestalpine Stahl Gmbh | Procede de production d'un element constitutif profile trempe |
AT412878B (de) * | 2003-07-29 | 2005-08-25 | Voestalpine Stahl Gmbh | Korrosionsgeschütztes stahlblechteil mit hoher festigkeit |
DE102004038626B3 (de) * | 2004-08-09 | 2006-02-02 | Voestalpine Motion Gmbh | Verfahren zum Herstellen von gehärteten Bauteilen aus Stahlblech |
DE10318056B4 (de) * | 2003-04-17 | 2006-04-06 | Benteler Automobiltechnik Gmbh | Verfahren und Presse zum Warmformen |
FR2883007A1 (fr) * | 2005-03-11 | 2006-09-15 | Usinor Sa | Procede de fabrication d'une piece d'acier revetu presentant une tres haute resistance apres traitement thermique |
WO2007028475A2 (fr) * | 2005-09-02 | 2007-03-15 | Daimler Ag | Procede pour realiser un composant trempe a la presse |
EP1767659A1 (fr) * | 2005-09-21 | 2007-03-28 | ARCELOR France | Procédé de fabrication d'une pièce en acier de microstructure multi-phasée |
EP1783234A2 (fr) | 2002-09-26 | 2007-05-09 | ThyssenKrupp Steel AG | Procédé destiné à la fabrication de produits par le déformage à températures élevées |
WO2008053273A1 (fr) * | 2006-10-30 | 2008-05-08 | Arcelormittal France | Bandes d'acier revêtu, procédés pour leur fabrication, procédés pour leur utilisation, ébauches d'estampage préparées pour elles, produits estampés préparés pour elles, et articles de fabrication qui contiennent ce genre de produit estampé |
DE10350885B4 (de) * | 2003-10-31 | 2008-07-10 | Benteler Automobiltechnik Gmbh | Verfahren zum Herstellen eines warmgeformten und werkzeuggehärteten Formbauteils |
WO2008102012A1 (fr) * | 2007-02-23 | 2008-08-28 | Corus Staal Bv | Procédé de mise en forme thermomécanique d'un produit final à très haute résistance et produit obtenu selon ledit procédé |
EP1966404A1 (fr) * | 2005-12-26 | 2008-09-10 | Posco | Feuille d'acier au carbone supérieure en termes d'aptitude au formage et procédé de fabrication de celle-ci |
WO2008110670A1 (fr) * | 2007-03-14 | 2008-09-18 | Arcelormittal France | Acier pour formage a chaud ou trempe sous outil a ductilite amelioree |
EP2025771A1 (fr) * | 2007-08-15 | 2009-02-18 | Corus Staal BV | Procédé de production de bande d'acier revêtu pour produire des éléments taylorisés adaptés à la mise en forme thermomécanique, bande produite, et utilisation d'une telle bande revêtue |
DE102007038214A1 (de) | 2007-08-13 | 2009-02-19 | Volkswagen Ag | Verfahren zum Korrosionsschutz von Karosserie-, Fahrwerks-, Motorbauteilen oder Abgasanlagen |
DE102007038215A1 (de) | 2007-08-13 | 2009-02-19 | Nano-X Gmbh | Verfahren zur Herstellung einer aktiven Korrosionsschutzbeschichtung auf Bauteilen aus Stahl |
JP2009518471A (ja) * | 2005-12-12 | 2009-05-07 | ナノ−エックス ゲーエムベーハー | 金属、特に鋼を腐食及び/又はスケーリングから保護するためのコーティング剤、並びに金属及び金属部品のコーティング方法 |
DE102008027818A1 (de) | 2008-06-11 | 2009-12-17 | Benteler Automobiltechnik Gmbh | Verfahren zur Herstellung eines verzinkten Profilbauteils aus Stahl |
EP2224034A1 (fr) * | 2000-04-07 | 2010-09-01 | ArcelorMittal France | Procédé de réalisation d'une pièce à très hautes caractéristiques mécaniques, mise en forme par emboutissage à froid, à partir d'une bande de tôle d'acier laminée et notamment laminée à chaud et revêtue |
US20100294400A1 (en) * | 2007-10-02 | 2010-11-25 | Thyssenkrupp Steel Europe Ag | Method for producing a steel component by hot forming and steel component produced by hot forming |
US20110159314A1 (en) * | 2009-12-30 | 2011-06-30 | Hyundai Steel Company | Quenchable steel sheet having high hot press workability and method of manufacturing the same |
US8361552B2 (en) | 2008-06-12 | 2013-01-29 | Benteler Automobiltechnik Gmbh | Method of producing an adherent metallic coating on a steel sheet product |
US8864921B2 (en) | 2007-07-19 | 2014-10-21 | Tata Steel Ijmuiden B.V. | Method for annealing a strip of steel having a variable thickness in length direction |
EP3159419A1 (fr) | 2015-10-21 | 2017-04-26 | Voestalpine Krems Gmbh | Procédé de fabrication des profiles laminés partiellement durcis |
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Also Published As
Publication number | Publication date |
---|---|
DE69933751T3 (de) | 2015-12-24 |
FR2787735A1 (fr) | 2000-06-30 |
DK1013785T4 (en) | 2015-11-23 |
ES2274609T3 (es) | 2007-05-16 |
EP1013785B1 (fr) | 2006-10-25 |
ATE343658T2 (de) | 2006-11-15 |
DE69933751D1 (de) | 2006-12-07 |
FR2787735B1 (fr) | 2001-02-02 |
DK1013785T3 (da) | 2007-01-15 |
DE69933751T2 (de) | 2007-10-04 |
ES2274609T5 (es) | 2015-11-20 |
PT1013785E (pt) | 2007-01-31 |
EP1013785B2 (fr) | 2015-08-12 |
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