EP2224034B1 - Verfahren zum Herstellen eines Bauteils mit sehr guten mechanischen Eigenschaften durch Tiefziehen aus gewalztem insbesondere warmgewalztem und beschichtetem Stahlblech - Google Patents
Verfahren zum Herstellen eines Bauteils mit sehr guten mechanischen Eigenschaften durch Tiefziehen aus gewalztem insbesondere warmgewalztem und beschichtetem Stahlblech Download PDFInfo
- Publication number
- EP2224034B1 EP2224034B1 EP10006299.1A EP10006299A EP2224034B1 EP 2224034 B1 EP2224034 B1 EP 2224034B1 EP 10006299 A EP10006299 A EP 10006299A EP 2224034 B1 EP2224034 B1 EP 2224034B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- zinc
- sheet
- steel
- coating
- 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.)
- Revoked
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Classifications
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- 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
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0278—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving a particular surface treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/20—Deep-drawing
-
- 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
- C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
-
- 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
- C23C2/06—Zinc or cadmium 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
-
- 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
-
- 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 producing a part with very high mechanical characteristics, shaped by hot stamping, from a strip of rolled steel sheet and in particular hot rolled and coated with a metal or a metal alloy providing protection of the surface and steel.
- the steel sheets to be subjected to high temperature forming and / or a heat treatment are not delivered coated for reasons of resistance of the coating during the heat treatment, the heat treatment of the steels generally being carried out at relatively high temperatures well above 700 ° C. Indeed, a coating of zinc deposited on a metal surface has been considered until now as being able to melt, flow, foul the hot forming tools, during heating, at temperatures above the melting temperature of zinc , and degrade during rapid cooling.
- the coating is therefore performed on finished part which requires a careful cleaning of surfaces and hollow parts.
- This cleaning requires the use of acids and / or bases whose recycling and storage are a significant financial burden and present risks for operators and the environment.
- the heat treatment must be carried out under a controlled atmosphere in order to avoid decarburization and oxidation of the steel.
- calamine by its abrasive power, damages the forming tools, which reduces the quality of the parts obtained from the dimensional and aesthetic point of view or requires frequent and expensive repairs tools.
- the parts thus obtained must receive an expensive post-processing whose application is difficult or impossible, especially in the case of parts with depressions.
- the post-coatings of steels with very high mechanical characteristics also have the disadvantage of creating hydrogen embrittlement risks in electro-galvanizing techniques or modifying the mechanical properties of these steels in dip galvanizing techniques. previously formed parts.
- the object of the invention is to propose to the users, steel sheets rolled from 0.2 mm to about 4 mm thick, coated in particular after hot rolling, and to be subjected to hot forming , as well as a method of producing a part by hot forming, from these coated steel sheets, the temperature rise being ensured without decarburization of the steel of the sheet, without oxidation of the surface of said sheet metal , before, during and after hot forming and heat treatment.
- the method according to the invention as shown in the diagram of the figure 1 consists, from a sheet of a steel for heat treatment and hot forming, in particular hot rolled and coated with zinc or a zinc-based alloy, in the production of a hot-formed part in the form of tool means such as a stamping press.
- the zinc or zinc alloy coating is selected so as to provide corrosion protection for the base sheet in a coil.
- the coating forms a layer which combines with the steel of the strip and present at this moment a mechanical strength avoiding the melting of coating metal.
- the formed compound has high resistance to corrosion, abrasion, wear and fatigue.
- the coating does not alter the formability properties of the steel and thus allows a wide variety of cold and hot forming.
- the strip After hot rolling, the strip can be pickled and cold rolled before being coated. In the case where the sheet is cold rolled, it can be annealed before being coated.
- the rolled sheet can be coated, for example, with zinc, or zinc aluminum alloys.
- the sheet can be cold stamped to obtain the piece.
- the resulting part is then subjected to a heat treatment to give it high mechanical characteristics.
- a base steel having a breaking strength Rm of about 500 MPa will make it possible to obtain heat-treated parts having a steel with a resistance Rm greater than 1500 MPa.
- the sheet is subjected to a temperature rise of between 700 ° C. and 1200 ° C. in an oven with an atmosphere that does not require any more control, because of the barrier to the oxidation formed by the coating.
- a temperature rise of between 700 ° C. and 1200 ° C. in an oven with an atmosphere that does not require any more control, because of the barrier to the oxidation formed by the coating.
- the zinc-based coating is transformed into an alloyed surface layer having different phases depending on the temperature treatment and having a high hardness of more than 600 HV 100g.
- sheets having a thickness of between 0.2 mm and 4 mm may be used, having good shaping properties as well as good corrosion resistance.
- the sheets delivered coated have a significant resistance to corrosion during temperature rises, shaping, heat treatments, and during the use of finished formed parts.
- the presence of the coating during heat treatments or hot forming avoids in addition to corrosion, the decarburization of the base steel.
- This has an undeniable advantage in the case of hot forming, for example in a stamping press.
- the formed intermetallic alloy avoids the formation of calamine, the wear of the tools by calamine, and thereby allows an extension of the average life of said tools.
- the hot formed intermetallic alloy has a high temperature lubricant function.
- the effect of protection against decarburization of the intermetallic alloy allows the use of high temperature furnace exceeding 900 ° C having an uncontrolled atmosphere, and this, even for heating times of several minutes.
- the parts obtained Due to the characteristics of the coating after temperature rise, the parts obtained have an increased resistance to fatigue, wear, abrasion and corrosion, including on the wafer because of the galvanic behavior of the zinc with the steel.
- the coating is weldable before and after temperature rise.
- the steel of the sheet ensures, by cooling quenching effect, high mechanical characteristics of the part obtained after forming, the coating converted into a hot intermetallic alloy, for its part, because of its lubricant qualities and resistance to friction, an improvement in shaping, especially in the field of hot stamping.
- Example 1 zinc coating on steel.
- One piece is made from cold-rolled steel sheet 1 mm thick and galvanized continuously double-sided, with a coating thickness of about 10 microns.
- the sheet is austenitized at 950 ° C. before forming and quenching in the tool, the coating acting as a lubricant during shaping, in addition to its functions of protection against cold, hot and decarburizing corrosion. .
- the alloy coating does not interfere with the extraction of heat by the tool and can promote it. After forming and quenching, it is no longer necessary to strip the part or to protect it, the base coating providing protection throughout the process.
- the part produced is of a matt gray appearance without sag or bubble, without flaking or cracks, and not presenting no calamine on the slice, in section.
- Scanning electron microscopic observations show on the surface and in section that the coating retains a homogeneous structure and texture and that Fe-Zn alliation occurs in less than 5 minutes at 950 ° C.
- the coating comprises as shown in comparative manner on the Figures 3a and 3b respectively representing, in section, the coating before and after heat treatment, a Zn diffusion interface, with a thickness of between 5 and 10 ⁇ m, is a layer formed by nodules of Zn-Fe alloy in a zinc matrix layer with a thickness of between 10 and 15 ⁇ m.
- Table 1 below shows the loss of corrosion mass after 500 and 1000 hours of salt spray, for an uncoated reference steel, for a galvanized reference steel without heat treatment, and a steel according to two forms of the invention.
- Table 1 Loss of mass in g / m 2 After 500 hours Loss of mass in g / m 2 After 1000 hours
- the coating after heat treatment is resistant to salt spray.
- this surface composed of zinc and iron, can be phosphated in conventional surface treatment baths of the phosphating type.
- the corrosion tests carried out after phosphating and cataphoresis painting show excellent results.
- the zinc iron alloy layer also provides galvanic protection for cathodic protection type slices.
- Example 2 zinc aluminum coating on steel.
- a 10 ⁇ m coating is applied to a sheet of about 1 mm.
- This coating is composed of 50 to 55% aluminum and 45 to 50% zinc with possibly a small amount of silicon.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (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)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Electroplating Methods And Accessories (AREA)
- Heat Treatment Of Articles (AREA)
- Forging (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
- Laminated Bodies (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Claims (2)
- Verfahren zur Herstellung eines Teils mit sehr hohen mechanischen Eigenschaften, durch Umformen in einer Presse ausgehend von einem gewalzten, insbesondere warm gewalzten Stahlblechband, das mit einem Metall oder einer Metalllegierung beschichtet ist, welche einen Schutz der Oberfläche und des Stahls gewährleisten, dadurch gekennzeichnet, daß- das Metall oder die Metalllegierung der Beschichtung Zink oder eine Legierung auf der Basis von Zink mit einer Dicke, die zwischen 5 µm und 30 µm liegt, ist,- das Blech zugeschnitten wird, um einen Blechzuschnitt zu erhalten,- der beschichtete Blechzuschnitt einer zwischen 700°C und 1200°C liegenden Temperaturerhöhung mit dem Ziel einer Warmumformung in ein Teil unterzogen wird,- dadurch an der Oberfläche eine intermetallische Legierungsverbindung hergestellt wird, die einen Schutz gegen die Korrosion und gegen die die Entkohlung des Stahls sicherstellt, wobei die intermetallische Verbindung eine Schmierfunktion bewirken kann,- die Umformung des Blechzuschnitts durch Warmpressen bewirkt wird,- das umgeformte Teil, um eine Abschreckhärtung zu erfahren, mit einer über der kritischen Härtegeschwindigkeit liegenden Geschwindigkeit abgekühlt wird, um erhöhte mechanische Härteeigenschaften des Stahls und eine erhöhte Oberflächenhärte der Beschichtung herbeizuführen,- durch Schneiden die für den Pressvorgang notwendigen Blechüberschüsse entfernt werden.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die intermetallische Legierung eine Verbindung auf der Basis von Zink-Eisen oder von Zink-Eisen-Aluminium ist.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10006299T DE10006299T1 (de) | 2000-04-07 | 2001-04-04 | Verfahren zur Herstellung eines Teils mit hohen mechanischen Eigenschaften, durch Umformung in einer Presse, ausgehend von einem gewalzten, insbesondere warmgewalzten und beschichteten Stahlblechband |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0004427A FR2807447B1 (fr) | 2000-04-07 | 2000-04-07 | Procede de realisation d'une piece a tres hautes caracteristiques mecaniques, mise en forme par emboutissage, a partir d'une bande de tole d'acier laminee et notamment laminee a chaud et revetue |
EP06002618.4A EP1672088B2 (de) | 2000-04-07 | 2001-04-04 | Verfahren zum Herstellen eines Bauteils mit sehr guten mechanischen Eigenschaften, Umformung durch kaltes Tiefziehen aus gewalztem, insbesondere warmgewalztem und beschichtetem Stahlblech |
EP01400861A EP1143029B1 (de) | 2000-04-07 | 2001-04-04 | Verfahren zum Herstellen eines Bauteils mit sehr guten mechanischen Eigenschaften, Umformung durch Tiefziehen, aus gewalztem insbesondere warmgewalztem und beschichtetem Stahlblech |
Related Parent Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06002618.4A Division-Into EP1672088B2 (de) | 2000-04-07 | 2001-04-04 | Verfahren zum Herstellen eines Bauteils mit sehr guten mechanischen Eigenschaften, Umformung durch kaltes Tiefziehen aus gewalztem, insbesondere warmgewalztem und beschichtetem Stahlblech |
EP01400861.9 Division | 2001-04-04 | ||
EP06002618.4 Division | 2006-02-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2224034A1 EP2224034A1 (de) | 2010-09-01 |
EP2224034B1 true EP2224034B1 (de) | 2013-07-17 |
Family
ID=8848960
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10006299.1A Revoked EP2224034B1 (de) | 2000-04-07 | 2001-04-04 | Verfahren zum Herstellen eines Bauteils mit sehr guten mechanischen Eigenschaften durch Tiefziehen aus gewalztem insbesondere warmgewalztem und beschichtetem Stahlblech |
EP01400861A Revoked EP1143029B1 (de) | 2000-04-07 | 2001-04-04 | Verfahren zum Herstellen eines Bauteils mit sehr guten mechanischen Eigenschaften, Umformung durch Tiefziehen, aus gewalztem insbesondere warmgewalztem und beschichtetem Stahlblech |
EP06002618.4A Expired - Lifetime EP1672088B2 (de) | 2000-04-07 | 2001-04-04 | Verfahren zum Herstellen eines Bauteils mit sehr guten mechanischen Eigenschaften, Umformung durch kaltes Tiefziehen aus gewalztem, insbesondere warmgewalztem und beschichtetem Stahlblech |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01400861A Revoked EP1143029B1 (de) | 2000-04-07 | 2001-04-04 | Verfahren zum Herstellen eines Bauteils mit sehr guten mechanischen Eigenschaften, Umformung durch Tiefziehen, aus gewalztem insbesondere warmgewalztem und beschichtetem Stahlblech |
EP06002618.4A Expired - Lifetime EP1672088B2 (de) | 2000-04-07 | 2001-04-04 | Verfahren zum Herstellen eines Bauteils mit sehr guten mechanischen Eigenschaften, Umformung durch kaltes Tiefziehen aus gewalztem, insbesondere warmgewalztem und beschichtetem Stahlblech |
Country Status (12)
Country | Link |
---|---|
US (1) | US6564604B2 (de) |
EP (3) | EP2224034B1 (de) |
JP (2) | JP3663145B2 (de) |
AR (1) | AR028319A1 (de) |
AT (2) | ATE327353T1 (de) |
BR (2) | BRPI0102747B1 (de) |
CA (1) | CA2343340C (de) |
DE (5) | DE60142859D1 (de) |
DK (1) | DK1143029T3 (de) |
ES (3) | ES2263567T3 (de) |
FR (1) | FR2807447B1 (de) |
PT (2) | PT1143029E (de) |
Families Citing this family (144)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2807447B1 (fr) | 2000-04-07 | 2002-10-11 | Usinor | Procede de realisation d'une piece a tres hautes caracteristiques mecaniques, mise en forme par emboutissage, a partir d'une bande de tole d'acier laminee et notamment laminee a chaud et revetue |
JP3582504B2 (ja) | 2001-08-31 | 2004-10-27 | 住友金属工業株式会社 | 熱間プレス用めっき鋼板 |
JP4884622B2 (ja) * | 2001-09-28 | 2012-02-29 | 新日本製鐵株式会社 | 外観の優れためっき鋼板の加熱成形方法 |
DE60236447D1 (de) | 2001-10-23 | 2010-07-01 | Sumitomo Metal Ind | Verfahren zur heisspressbearbeitung von einem plattierten stahlprodukt |
EP1335036A1 (de) * | 2002-02-06 | 2003-08-13 | Benteler Automobiltechnik GmbH & Co. KG | Verfahren zur Herstellung eines Strukturbauteils für den Fahrzeugbau |
WO2004033126A1 (de) | 2002-09-13 | 2004-04-22 | Daimlerchrysler Ag | Pressgehärtetes bauteil und verfahren zu seiner herstellung |
EP1783234A3 (de) | 2002-09-26 | 2007-08-08 | ThyssenKrupp Steel AG | Verfahren zum Herstellen von Produkten durch Umformen bei erhöhten Temperaturen |
EP1630244B2 (de) * | 2003-04-23 | 2016-08-17 | Nippon Steel & Sumitomo Metal Corporation | Heisspressgeformtes produkt und herstellungsverfahren dafür |
JP4325277B2 (ja) * | 2003-05-28 | 2009-09-02 | 住友金属工業株式会社 | 熱間成形法と熱間成形部材 |
DE10333166A1 (de) † | 2003-07-22 | 2005-02-10 | Daimlerchrysler Ag | Pressgehärtetes Bauteil und Verfahren zur Herstellung eines pressgehärteten Bauteils |
DE10333165A1 (de) * | 2003-07-22 | 2005-02-24 | Daimlerchrysler Ag | Pressgehärtetes Bauteil und Verfahren zur Herstellung eines pressgehärteten Bauteils |
AT412878B (de) * | 2003-07-29 | 2005-08-25 | Voestalpine Stahl Gmbh | Korrosionsgeschütztes stahlblechteil mit hoher festigkeit |
PL2177641T3 (pl) * | 2003-07-29 | 2013-09-30 | Voestalpine Stahl Gmbh | Blacha stalowa z ocynkowaną ogniowo warstwą ochrony przeciwkorozyjnej |
JP2005138112A (ja) * | 2003-11-04 | 2005-06-02 | Nippon Steel Corp | プレス加工方法 |
US7021516B2 (en) * | 2004-03-05 | 2006-04-04 | Illinois Tool Works Inc. | Driver blade for fastening tool |
JP4325442B2 (ja) * | 2004-03-12 | 2009-09-02 | 住友金属工業株式会社 | 溶融亜鉛系めっき鋼材の製造方法 |
JP4671634B2 (ja) | 2004-07-09 | 2011-04-20 | 新日本製鐵株式会社 | 耐食性に優れた高強度焼き入れ成形体およびその製造方法 |
JP2006051543A (ja) | 2004-07-15 | 2006-02-23 | Nippon Steel Corp | 冷延、熱延鋼板もしくはAl系、Zn系めっき鋼板を使用した高強度自動車部材の熱間プレス方法および熱間プレス部品 |
DE102004038626B3 (de) * | 2004-08-09 | 2006-02-02 | Voestalpine Motion Gmbh | Verfahren zum Herstellen von gehärteten Bauteilen aus Stahlblech |
FR2883007B1 (fr) * | 2005-03-11 | 2007-04-20 | Usinor Sa | Procede de fabrication d'une piece d'acier revetu presentant une tres haute resistance apres traitement thermique |
JP2006304869A (ja) * | 2005-04-26 | 2006-11-09 | Arai Seisakusho:Kk | ヘッドレストステーの製造方法 |
JP4920215B2 (ja) * | 2005-08-22 | 2012-04-18 | 新日本製鐵株式会社 | 鋼製成形品及び亜鉛系めっき鋼材 |
EP1767659A1 (de) | 2005-09-21 | 2007-03-28 | ARCELOR France | Herstellungsverfahren eines Stahlwerkstücks mit mehrphasigem Mikrogefüge |
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DE1252034B (de) † | 1967-10-12 | Societe des Acieries de Pompey, Pompey, Meurthe-et-Moselle (Frankreich) | Überziehen von Eisen oder Stahl mit einem Eisen-Aluminium-Legierungsüberzug für die Warmverformung | |
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FR857779A (fr) * | 1939-04-06 | 1940-09-28 | Coste & Cie | Procédé perfectionné permettant de recouvrir le fer, l'acier ou tous autres métaux ou alliages d'un placage en aluminium ou métal ou alliage analogue et produits enrésultant |
FR1107112A (fr) * | 1953-04-30 | 1955-12-28 | Kaiser Aluminium Chem Corp | Procédé de traitement des métaux et articles obtenus |
GB763368A (en) * | 1954-03-31 | 1956-12-12 | Barrow Steel Works Ltd | Improvements relating to the coating of steel strip or the like |
FR1297906A (fr) * | 1961-05-26 | 1962-07-06 | Procédé de forgeage à chaud de produits sidérurgiques et produit industriel nouveau obtenu par ce procédé | |
US3248251A (en) * | 1963-06-28 | 1966-04-26 | Teleflex Inc | Inorganic coating and bonding composition |
GB1039285A (en) * | 1962-10-04 | 1966-08-17 | Benteler Werke Ag | Method of continuously producing a coating on at least the inside surface of metal tubes |
US3765206A (en) * | 1969-09-05 | 1973-10-16 | Bethlehem Steel Corp | Method of forming coated seamless containers |
DE2114615B2 (de) * | 1971-03-26 | 1977-10-27 | Bayerische Motoren Werke AG, 8000 München | Blechhohlkoerper, insbesondere fuer karosserien von kraftfahrzeugen |
DE2153831C3 (de) * | 1971-10-28 | 1980-10-02 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Verformungshilfsstoff |
US3820368A (en) * | 1973-02-16 | 1974-06-28 | Kobe Steel Ltd | Process for producing drinking cans made of aluminum plated steel sheet |
US4155235A (en) * | 1977-07-13 | 1979-05-22 | Armco Steel Corporation | Production of heavy pure aluminum coatings on small diameter tubing |
JPS5528343A (en) * | 1978-08-21 | 1980-02-28 | Nippon Steel Corp | Alloying method for zinc-plated steel sheet |
JPS59501348A (ja) * | 1982-08-09 | 1984-08-02 | ウフイムスキ− アビアシヨニ− インステイチユト イメニ セルゴ オルドゾニキゼ | 金属製品を製造する方法 |
FR2534161B1 (fr) * | 1982-10-06 | 1985-08-30 | Maubeuge Fer | Procede et dispositif de production en continu d'une bande metallique galvanisee et profilee |
JPS6260854A (ja) * | 1985-09-10 | 1987-03-17 | Kowa Kogyosho:Kk | ねじ山製品製作方法 |
JP2739141B2 (ja) * | 1988-09-16 | 1998-04-08 | ニスコ株式会社 | ドリルねじの製造方法 |
CA1325931C (en) * | 1989-01-09 | 1994-01-11 | Phillip L. Coduti | Coiled steel strip with solid lubricant coating |
JPH08117879A (ja) * | 1994-08-29 | 1996-05-14 | Toyota Motor Corp | プレス加工方法 |
JPH1053813A (ja) * | 1996-08-09 | 1998-02-24 | O & K:Kk | 非調質高張力ボルトの製造方法 |
FR2780984B1 (fr) * | 1998-07-09 | 2001-06-22 | Lorraine Laminage | Tole d'acier laminee a chaud et a froid revetue et comportant une tres haute resistance apres traitement thermique |
FR2787735B1 (fr) * | 1998-12-24 | 2001-02-02 | Lorraine Laminage | Procede de realisation d'une piece a partir d'une bande de tole d'acier laminee et notamment laminee a chaud |
FR2807447B1 (fr) | 2000-04-07 | 2002-10-11 | Usinor | Procede de realisation d'une piece a tres hautes caracteristiques mecaniques, mise en forme par emboutissage, a partir d'une bande de tole d'acier laminee et notamment laminee a chaud et revetue |
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2000
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- 2001-04-04 AT AT06002618T patent/ATE478167T1/de active
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- 2001-04-06 US US09/827,167 patent/US6564604B2/en not_active Expired - Lifetime
- 2001-04-06 JP JP2001109121A patent/JP3663145B2/ja not_active Expired - Lifetime
- 2001-04-06 CA CA002343340A patent/CA2343340C/fr not_active Expired - Lifetime
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2004
- 2004-07-29 JP JP2004221430A patent/JP3825456B2/ja not_active Expired - Lifetime
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