EP3211103A1 - Procédé de fabrication d'un élément de véhicule automobile comprenant au moins deux zones de fixation différentes l'une de l'autre - Google Patents

Procédé de fabrication d'un élément de véhicule automobile comprenant au moins deux zones de fixation différentes l'une de l'autre Download PDF

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Publication number
EP3211103A1
EP3211103A1 EP16157417.3A EP16157417A EP3211103A1 EP 3211103 A1 EP3211103 A1 EP 3211103A1 EP 16157417 A EP16157417 A EP 16157417A EP 3211103 A1 EP3211103 A1 EP 3211103A1
Authority
EP
European Patent Office
Prior art keywords
temperature
intermediate cooling
areas
heating
board
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
Application number
EP16157417.3A
Other languages
German (de)
English (en)
Other versions
EP3211103B1 (fr
Inventor
Christian Hielscher
Simon Werneke
Stefan Horn
Borek Dvorak
Radovan Kout
Martin Schaele
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Benteler Automobiltechnik GmbH
Benteler Maschinenbau GmbH
Original Assignee
Benteler Automobiltechnik GmbH
Benteler Maschinenbau GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority to ES16157417T priority Critical patent/ES2827455T3/es
Application filed by Benteler Automobiltechnik GmbH, Benteler Maschinenbau GmbH filed Critical Benteler Automobiltechnik GmbH
Priority to EP16157417.3A priority patent/EP3211103B1/fr
Priority to CN201780013468.6A priority patent/CN109072322B/zh
Priority to KR1020187027677A priority patent/KR102193290B1/ko
Priority to JP2018544516A priority patent/JP6826611B2/ja
Priority to PCT/EP2017/054231 priority patent/WO2017144612A1/fr
Priority to US16/080,096 priority patent/US11331710B2/en
Priority to CN202110514285.0A priority patent/CN113249556B/zh
Publication of EP3211103A1 publication Critical patent/EP3211103A1/fr
Application granted granted Critical
Publication of EP3211103B1 publication Critical patent/EP3211103B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • B21D22/02—Stamping using rigid devices or tools
    • B21D22/022—Stamping using rigid devices or tools by heating the blank or stamping associated with heat 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
    • B21D22/208—Deep-drawing by heating the blank or deep-drawing associated with heat 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
    • B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
    • B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
    • B21D35/005—Processes combined with methods covered by groups B21D1/00 - B21D31/00 characterized by the material of the blank or the workpiece
    • B21D35/006—Blanks having varying thickness, e.g. tailored blanks
    • 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
    • B21D37/00—Tools as parts of machines covered by this subclass
    • B21D37/16—Heating or cooling
    • 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
    • C21D11/00—Process control or regulation for heat treatments
    • 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
    • C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
    • 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
    • B21D22/201—Work-pieces; preparation of the work-pieces, e.g. lubricating, coating
    • 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
    • B21D53/00—Making other particular articles
    • B21D53/88—Making other particular articles other parts for vehicles, e.g. cowlings, mudguards
    • 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
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C21D1/19—Hardening; Quenching with or without subsequent tempering by interrupted quenching
    • C21D1/20—Isothermal quenching, e.g. bainitic hardening
    • 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
    • C21D2221/00—Treating localised areas of an article

Definitions

  • the present invention relates to a method for producing a motor vehicle component having at least two regions with mutually different strength and a protective layer according to the features in claim 1.
  • motor vehicle components by means of sheet metal forming.
  • sheet metal outer skin components are produced, for example a bonnet or a roof skin.
  • automotive structural components produced. These are in particular motor vehicle pillars, roof pillars, sills, cross members or side members as well as further structural components installed in the motor vehicle body.
  • sheet metal components made of a hardenable steel alloy are first heated to a temperature above AC3, so that the material structure austenitizes. In this warm state, the board is then formed and cooled after completion of the forming so rapidly that the material structure is cured. In particular, martensite is formed.
  • the components made of a hardenable steel alloy are susceptible to corrosion, so it is also known from the prior art to provide hot-formed and press-hardened components with a corrosion protection layer.
  • Object of the present invention is to provide a way to produce automotive components cost-effective with a corrosion protection, which have selectively sharply edged areas with mutually different strengths.
  • the method initially provides for providing precoated starting material of a hardenable steel alloy.
  • This may be a unwound from a coil steel material, which is already isolated to boards or even directly to blank blanks. A board cut points doing so approximately on a near-net shape trimming, which should have the component after hot forming.
  • This starting material is precoated. This is in particular an aluminum silicon coating.
  • the hardenable steel alloy is preferably a boron-manganese steel.
  • the starting material is heated to a warm-up temperature that is greater than or equal to the AC1 temperature, preferably greater than or equal to the AC3 temperature of the iron carbon pattern of the hardenable steel alloy.
  • This warm-up temperature is further preferably maintained for a period of time, in particular for 90 seconds to 300 seconds.
  • This is also referred to as diffusing the precoating into the surface of the board.
  • the coating preferably has a layer thickness between 20 ⁇ m and 40 ⁇ m. In particular, a pronounced intermetallic phase forms.
  • the homogeneous heating to the warm-up temperature is carried out in particular in a continuous furnace.
  • the intermediate cooling temperature is preferably between 450 ° C and 700 ° C, but it is at least smaller than the warm-up temperature and thus particularly preferably less AC1.
  • the intermediate cooling temperature +/- 50 ° C is held for a holding time. Due to the intermediate cooling and in particular due to the temperature range of the intermediate cooling, it is possible to set one or more material structures in a targeted manner.
  • the material structure converts mainly into bainite, which has a tensile strength of 750 MPa to 1050 MPa after quench hardening.
  • the intermediate cooling temperature is selected at about 600 ° C.
  • a predominantly ferritic / pearlitic microstructure forms, with a tensile strength of about 500 MPa to 750 MPa after quench hardening.
  • the subsequent holding time is preferably 30 s to 90 s.
  • this intermediate cooling temperature In order to obtain a ferritic / pearlitic material structure, with a cooling rate of 3 to 15 ° C / sec. cooled to a temperature of about 600 ° C and also held for a period of 30 s to 90 s, this intermediate cooling temperature.
  • the homogeneously intercooled and orientallegieriator board is partially from the intermediate cooling temperature +/- 50 ° C in areas first Type and thus partially heated to at least AC3 temperature.
  • the remaining areas are called areas of the second kind, which are kept substantially at the intermediate cooling temperature +/- 50 °.
  • the heating of the areas of the first type to at least AC3 temperature preferably to 930 ° C to 980 ° C, is preferably carried out such that the areas of the first kind austenitize completely.
  • this heating of the areas of the first type is carried out to at least AC3 temperature, then the board partially transformed into areas at different temperatures is hot-formed into a hot-forming and press-hardening tool in this tempered state and then press-hardened.
  • a tensile strength greater than 1400 MPa is set in the regions of the first type and a tensile strength Rm of less than 1050 MPa is established in the regions of the second type.
  • a transition region between the regions of the first type and the second type has a width of less than 50 mm.
  • this can be achieved by carrying out the partial heating of the areas of the first type to at least AC3 temperature in a particularly short time, in particular with a heating rate greater than 30 ° C./sec.
  • the time for heating is preferably less than 20 s, in particular less than 15 s, particularly preferably less than 10 s.
  • the heat conduction occurring in the board of areas of the first kind to areas of the second kind takes place only to a small extent due to the short time, so that a sharply bordered transition area with the subsequent hot forming and press hardening is achieved.
  • the cycle time for hot forming and press hardening is preferably about 10 s to 20 s, in particular 15 s. Furthermore, in particular a relatively short transfer time realized between completion of the intermediate cooling or stopping the holding time of the intermediate cooling and the hot forming and press hardening tool.
  • the transfer time is preferably 2 s to 15 s.
  • the homogeneous intermediate cooling to intermediate cooling temperature and optionally optional holding the intermediate cooling temperature is preferably also carried out in a continuous furnace.
  • This continuous furnace for the intermediate cooling is preferably designed as a continuous furnace module and in particular connected directly to the continuous furnace of heating to warm-up temperature.
  • the intermediate cooling can also be carried out in a chamber furnace.
  • it is also possible to cool in air. Cooling in air can be done as a passive intermediate cooling in air. In particular, in the case of passive intermediate cooling in air, an active holding phase of the intermediate cooling temperature is then carried out. Active means using a heating medium.
  • This active holding phase can, for example, again be carried out in a chamber oven, a multi-level oven or even a buffer oven.
  • a continuous furnace module is used for the entire homogeneous heating and homogeneous intermediate cooling, wherein in the continuous furnace module, a cooling station or cooling plates are integrated to perform the intermediate cooling.
  • a width of the transition region less than 40 mm, in particular less than 30 mm and particularly preferably less than 25 mm. It can thus be defined very sharply edged areas with different strength from each other.
  • the regions of the second type are preferred, however, based on the total area of the motor vehicle component only a small area covering or engaging formed.
  • the predominant part of the motor vehicle component should have a hardened material structure, that is, areas of the first type.
  • more than 70%, in particular more than 80% and particularly preferably more than 90% of the motor vehicle component has areas of the first type.
  • the intermediate cooling to the intermediate cooling temperature can be carried out in multiple stages and thus at least in two stages.
  • a first stage of intermediate cooling has a higher cooling rate than a second stage with a lower cooling rate. This means that the temperature decreases more in the first stage of intercooling.
  • the second stage of intermediate cooling less temperature is removed over a longer period of time.
  • a holding phase can then be connected to the intermediate cooling temperature to the at least two-stage intermediate cooling.
  • a predominantly bainic microstructure is set or a predominantly ferritic / pearlitic microstructure.
  • it can also be set in the intermediate cooling a mixed structure of ferrite, pearlite and bainite.
  • the partial heating is then carried out by, in particular, contact heating of the regions of the first type.
  • the regions of the second kind are kept in particular at substantially the intermediate cooling temperature.
  • the partial heating takes place particularly preferably by contact heating.
  • contact plates are placed on the surface of the platinum-plated board. There is a conduction and thus heat conduction from the contact plate into the board.
  • the contact plate preferably has a temperature which is greater than or equal to the AC3 temperature.
  • the Contact plate itself is heated by induction, by heat radiation, in particular by burner heating.
  • a heating means for example, a heating cartridge or heating wire of the contact plate be assigned.
  • the contact plate itself is designed as an electrical resistance heater. By applying an electrical voltage to the contact plate, the contact plate is thus heated itself. If the contact plate is placed on the board, heat conduction from the contact plate into the board takes place, at least in the austenitizing areas of the first kind.
  • the partial heating is carried out in a furnace having at least two zones. It is also possible to integrate cooling plates or tempering plates in a furnace or to place them on the circuit board so that the cooling plates keep the second type regions at the intermediate cooling temperature and in the furnace regions of the first type are heated to a temperature greater than or equal to AC3.
  • the furnace can be designed as a continuous furnace, but also as a chamber furnace, multi-level furnace or buffer furnace.
  • the areas of the first kind are heated directly by means of laser radiation. This is particularly useful when particularly large areas of the second type are provided, which are therefore not to be heated to above AC3.
  • motor vehicle components are thus produced as structural components. These are preferably motor vehicle pillars, very particularly preferably A pillars or B pillars. However, it is also possible to produce longitudinal members. Furthermore, spars, especially roof spars or sills can be made. However, chassis components can also be produced with the method according to the invention become. In particular, coupling flanges, nominal deformation points, coupling regions, hole edges, trigger strips and / or side wall islands are formed as regions of the second type, thus softer regions.
  • a multiple-dropping tool as the hot-forming and press-hardening tool.
  • a doppelfall fallendes or quadruple falling tool This means that during a movement two components are reshaped simultaneously and after completion of the forming, the two components are also simultaneously press-hardened.
  • four sinkers are simultaneously formed into components during a closing movement and all four components are subsequently press-hardened.
  • two individual tempering stations can be used for a two-fold hot-forming and press-hardening tool.
  • tempering station both a cooling station for intermediate cooling and a partial heating station for partial heating to over AC3 may be designated. This means that for a dual hot stamping and press hardening tool, two individual intermediate cooling stations and / or two individual heating stations are used.
  • two double falling temperature control stations can be used, ie two double cooling stations and two double heating stations.
  • FIG. 1 shows a hot forming line 1 according to the invention for carrying out the method according to the invention.
  • a board 2 is provided in the form of a board blank and here in particular for a B-pillar. This passes through a continuous furnace 3, wherein in a first heating zone 4 of the continuous furnace 3, the board 2 is heated to a temperature greater than or equal to AC1, in particular greater than or equal to AC3 temperature.
  • AC1 in particular greater than or equal to AC3 temperature.
  • the board 2 the warm-up temperature.
  • it may also have the warm-up temperature before reaching the end 5 and then retains the warm-up temperature for the remaining time of the warm-up zone 4.
  • the pre-coating alloyed with the board 2, so that at the end 5 of the heating zone 4, the coating is completely alloyed with the board 2.
  • an intermediate cooling zone 6 in which the board 2 is cooled to a temperature between 450 ° C and 700 ° C, but at least smaller than the warm-up temperature.
  • the homogeneously intercooled board 8 has the intermediate cooling temperature.
  • the homogeneously intercooled board 8 is then transferred to amaschineermaschinermungsstation 9, wherein by closing the Druckermaschinermungsstation 9, the board 2 is partially heated by area contact with the contact plates 9a to a temperature in areas of the first type 10 of at least AC3.
  • the board 2 In areas of the second type 11, the board 2 has a temperature which substantially corresponds to the intermediate cooling temperature +/- 50 ° C.
  • this is achieved in that the area of the first type 10 has a direct system contact with contact plates 9a of the contact heating station 9.
  • the regions of the second type 11 do not lie directly against the contact plates 9a, thus a depression 9d is arranged as an insulating air gap 9b between them.
  • the contact plates 9a are themselves heated by a heating means 9c, for example an inductor.
  • the areas of the first type 10 and the areas of the second type 11 on the tempered board 12 are after the hot forming and press hardening to be equated with the areas of the first type 10 with high strength and the areas of the second type 11 with a lower strength on the other hand.
  • the partially tempered circuit board 12 is then immediately transferred to a hot forming and press hardening tool 13 and formed by hot forming and press hardening to the motor vehicle component 14 with two areas with mutually different strengths. Illustrated here is the production of a B-pillar, wherein the platinum blank is adapted to the final contour of the B-pillar after forming and the B-pillar has a hat-shaped profile in cross-section after the forming.
  • the method according to the invention it is also possible to manufacture spars, longitudinal members and other motor vehicle structural components with the method according to the invention.
  • FIG. 1 further shows a hot forming and press-hardening tool 13, in particular shown here as a double-ended tool. This means that with a closing movement, two components are simultaneously formed and press-hardened. It is also possible to set a tool that falls four times.
  • the Kunststoffer Anlagenrmungsstation 9 can be designed doppelfach fallend, preferably demofach fallend.
  • FIG. 2 shows an alternative embodiment variant FIG. 1 , here in contrast tomaschineer stiirmungsstation 9 a zone furnace 15 is used.
  • Zone furnace 15 has a first zone 16 with a higher temperature, in particular greater than or equal to AC3 temperature, and a second zone 17 with a lower temperature, the lower temperature corresponding to the intermediate cooling temperature +/- 50 ° C.
  • a bulkhead 18 or the like can be arranged, so that the board 8 located at the intermediate cooling temperature is appropriately tempered in mutually different regions.
  • This also produces a partially tempered circuit board 12 having a first type region 10 and a second type region 11, which is subsequently hot-formed and press-hardened.
  • the zone furnace 15 does not have to be a two-zone furnace, it can also be designed as a multiple zone furnace, depending on the geometrical specification of the location of the areas of the first type 10 and second type 11.
  • the zone furnace 15 can be operated as a continuous furnace. However, it can also, in particular to save space as a multi-level oven, thus be formed multi-storey. Also he can as be formed multi-level continuous furnace.
  • the oven particularly preferably has a significantly higher interior temperature, in particular greater than 1000 ° C.
  • FIG. 3 shows an illustration of the areas of the first and second type 10, 11 and an intermediate transition region 19.
  • the transition region 19 extends with a width between the first type region 10 and second type region 11.
  • the width according to the invention is preferably less than 50 mm.
  • the area of the second type 11 is here designed as island area or inland area. It is thus completely enclosed in the area of the first type 10.
  • the region of the first type 10 preferably has a tensile strength greater than 1400 MPa, in particular greater than 1500 MPa.
  • the tensile strength should be limited to about 2000 MPa. However, should it be possible to achieve greater tensile strengths by means of a steel alloy, this would also be within the meaning of this invention.
  • FIG. 4 shows a schematic flow of the method according to the invention, wherein the temperature T to be set in degrees Celsius is shown on the Y-axis and the time in seconds is shown on the X-axis, but unfortunately not true to scale.
  • the board 2 is provided at room temperature. This is then brought into the continuous furnace 3 and heated up to the time S1 to the warm-up temperature, here shown at about AC3.
  • the heating processes shown by way of example can in reality be linear, progressive, degressive or in mixed forms. These are shown here for illustration only by straight lines and not to scale.
  • the time for heating is about 300 to 400 s, in particular 320 to 380 s, preferably 350 to 370 s and in particular 360 s.
  • the homogeneously heated and alloyed board 8 is transferred to the homogeneous intermediate cooling and cooled homogeneously to the intermediate cooling temperature. This is carried out in a time preferably between 30 s and 200 s, preferably 50 s to 100 s.
  • the homogeneously intercooled temperature thus leaves the intermediate cooling station at time S3 and is transferred to a partial heating station, for example into a contact heating station 9. This is shown at time S4.
  • the transfer time from S3 to S4 is preferably as short as possible.
  • the heating step from intermediate cooling temperature to partial heating temperature is shown from time S3 to S5. From S4, beginning of the partial temperature control to S5, stopping the partial temperature control, it usually takes less than 20 s, in particular less than 15 s, preferably less than 10 s, very particularly preferably 8 s. At time S5, the partially tempered board 12 is then transferred to the hot forming and press-hardening tool 13 and hot-worked and press-hardened. The regions of the first type 10 are thereby quenched by the heating temperature, ie greater than or equal to the AC3 temperature, and the regions of the second type 11 are quenched by the intermediate cooling temperature +/- 50 ° C., shown here in the range of AC1. At time S6, the press hardening is completed, wherein the temperature of the press-hardened component at the removal from the press works between room temperature, thus about 20 ° C and 200 ° C.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Articles (AREA)
EP16157417.3A 2016-02-25 2016-02-25 Procédé de fabrication d'un élément de véhicule automobile comprenant au moins deux zones de fixation différentes l'une de l'autre Active EP3211103B1 (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
EP16157417.3A EP3211103B1 (fr) 2016-02-25 2016-02-25 Procédé de fabrication d'un élément de véhicule automobile comprenant au moins deux zones de fixation différentes l'une de l'autre
ES16157417T ES2827455T3 (es) 2016-02-25 2016-02-25 Método de fabricación de un componente de automóvil con al menos dos zonas de resistencia mutuamente diferentes
KR1020187027677A KR102193290B1 (ko) 2016-02-25 2017-02-23 상이한 강도의 2개 이상의 영역을 갖는 차량 부품을 제조하기 위한 방법
JP2018544516A JP6826611B2 (ja) 2016-02-25 2017-02-23 少なくとも２つの異なる強度の領域を有する自動車部品の製造方法
CN201780013468.6A CN109072322B (zh) 2016-02-25 2017-02-23 具有至少两个强度不同的区域的汽车组件的制备方法
PCT/EP2017/054231 WO2017144612A1 (fr) 2016-02-25 2017-02-23 Procédé pour la fabrication d'une pièce de véhicule automobile présentant au moins deux zones de solidités différentes l'une de l'autre
US16/080,096 US11331710B2 (en) 2016-02-25 2017-02-23 Method for producing a motor vehicle component with at least two regions of different strengths
CN202110514285.0A CN113249556B (zh) 2016-02-25 2017-02-23 具有至少两个强度不同的区域的汽车组件的制备方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP16157417.3A EP3211103B1 (fr) 2016-02-25 2016-02-25 Procédé de fabrication d'un élément de véhicule automobile comprenant au moins deux zones de fixation différentes l'une de l'autre

Publications (2)

Publication Number Publication Date
EP3211103A1 true EP3211103A1 (fr) 2017-08-30
EP3211103B1 EP3211103B1 (fr) 2020-09-30

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EP16157417.3A Active EP3211103B1 (fr) 2016-02-25 2016-02-25 Procédé de fabrication d'un élément de véhicule automobile comprenant au moins deux zones de fixation différentes l'une de l'autre

Country Status (7)

Country Link
US (1) US11331710B2 (fr)
EP (1) EP3211103B1 (fr)
JP (1) JP6826611B2 (fr)
KR (1) KR102193290B1 (fr)
CN (2) CN113249556B (fr)
ES (1) ES2827455T3 (fr)
WO (1) WO2017144612A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3530760A1 (fr) * 2018-02-23 2019-08-28 Benteler Automobiltechnik GmbH Procédé de fabrication d'un élément en tôle d'acier formé à chaud et durcis
WO2021175686A1 (fr) * 2020-03-06 2021-09-10 Schwartz Gmbh Traitement thermique d'un composant revêtu
WO2022038135A1 (fr) * 2020-08-19 2022-02-24 Thyssenkrupp Steel Europe Ag Procédé de fabrication d'un produit plat en acier ayant un revêtement résistant à la corrosion à base d'aluminium, et produit plat en acier ayant un revêtement résistant à la corrosion à base d'aluminium
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WO2021175686A1 (fr) * 2020-03-06 2021-09-10 Schwartz Gmbh Traitement thermique d'un composant revêtu
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EP3985133A3 (fr) * 2020-10-14 2022-06-15 Benteler Automobiltechnik GmbH Procédé de fabrication d'une platine d'acier, ainsi que station de thermorégulation

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CN113249556A (zh) 2021-08-13
EP3211103B1 (fr) 2020-09-30
JP6826611B2 (ja) 2021-02-03
CN109072322A (zh) 2018-12-21
CN109072322B (zh) 2021-06-11
US11331710B2 (en) 2022-05-17
KR102193290B1 (ko) 2020-12-23
JP2019512594A (ja) 2019-05-16
US20190054513A1 (en) 2019-02-21
ES2827455T3 (es) 2021-05-21
CN113249556B (zh) 2023-02-28
KR20180119619A (ko) 2018-11-02

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