MA49449B1 - Tôle d'acier revêtue de zinc présentant une soudabilité par points de haute résistance - Google Patents
Tôle d'acier revêtue de zinc présentant une soudabilité par points de haute résistanceInfo
- Publication number
- MA49449B1 MA49449B1 MA49449A MA49449A MA49449B1 MA 49449 B1 MA49449 B1 MA 49449B1 MA 49449 A MA49449 A MA 49449A MA 49449 A MA49449 A MA 49449A MA 49449 B1 MA49449 B1 MA 49449B1
- Authority
- MA
- Morocco
- Prior art keywords
- temperature
- sheet
- steel sheet
- atmosphere
- iron
- Prior art date
Links
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 title abstract 3
- 229910052725 zinc Inorganic materials 0.000 title abstract 3
- 239000011701 zinc Substances 0.000 title abstract 3
- 229910000831 Steel Inorganic materials 0.000 title abstract 2
- 239000010959 steel Substances 0.000 title abstract 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 6
- 239000012298 atmosphere Substances 0.000 abstract 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 3
- 238000010438 heat treatment Methods 0.000 abstract 3
- 229910052742 iron Inorganic materials 0.000 abstract 3
- 239000001301 oxygen Substances 0.000 abstract 3
- 229910052760 oxygen Inorganic materials 0.000 abstract 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 abstract 2
- 229910001297 Zn alloy Inorganic materials 0.000 abstract 2
- 239000011248 coating agent Substances 0.000 abstract 2
- 238000000576 coating method Methods 0.000 abstract 2
- 239000010960 cold rolled steel Substances 0.000 abstract 2
- 239000001257 hydrogen Substances 0.000 abstract 2
- 229910052739 hydrogen Inorganic materials 0.000 abstract 2
- 238000007654 immersion Methods 0.000 abstract 2
- 239000012535 impurity Substances 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- 238000001816 cooling Methods 0.000 abstract 1
- 238000002347 injection Methods 0.000 abstract 1
- 239000007924 injection Substances 0.000 abstract 1
- 229910001338 liquidmetal Inorganic materials 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000002844 melting Methods 0.000 abstract 1
- 230000008018 melting Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 229910052757 nitrogen Inorganic materials 0.000 abstract 1
- 239000012299 nitrogen atmosphere Substances 0.000 abstract 1
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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/50—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for welded joints
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- 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
- C23C2/022—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by heating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/10—Spot welding; Stitch welding
- B23K11/11—Spot welding
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- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/10—Spot welding; Stitch welding
- B23K11/11—Spot welding
- B23K11/115—Spot welding by means of two electrodes placed opposite one another on both sides of the welded parts
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- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/16—Resistance welding; Severing by resistance heating taking account of the properties of the material to be welded
- B23K11/163—Welding of coated materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/12—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to investigating the properties, e.g. the weldability, of materials
- B23K31/125—Weld quality monitoring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0408—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work for planar work
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- C21D1/18—Hardening; Quenching with or without subsequent tempering
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- C21D1/20—Isothermal quenching, e.g. bainitic hardening
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- 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
- C21D8/0205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips of ferrous alloys
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- 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
- C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0236—Cold rolling
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- C—CHEMISTRY; METALLURGY
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- 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
- C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
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- 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
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- 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
- C23C2/024—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by cleaning or etching
-
- 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
- C23C2/34—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
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- 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
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F17/00—Multi-step processes for surface treatment of metallic material involving at least one process provided for in class C23 and at least one process covered by subclass C21D or C22F or class C25
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/34—Pretreatment of metallic surfaces to be electroplated
- C25D5/36—Pretreatment of metallic surfaces to be electroplated of iron or steel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/006—Vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/02—Iron or ferrous alloys
- B23K2103/04—Steel or steel alloys
-
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/001—Austenite
-
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/002—Bainite
-
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/008—Martensite
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/22—Electroplating: Baths therefor from solutions of zinc
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Crystallography & Structural Chemistry (AREA)
- Electrochemistry (AREA)
- Optics & Photonics (AREA)
- Quality & Reliability (AREA)
- Heat Treatment Of Sheet Steel (AREA)
- Coating With Molten Metal (AREA)
- Heat Treatment Of Steel (AREA)
Abstract
L'invention concerne un procédé de production d'une tôle d'acier revêtue de zinc ou d'un alliage de zinc présentant une résistance à la traction supérieure à 900 mpa, pour la fabrication de soudures par points de résistance contenant en moyenne pas plus de deux fissures de fragilisation par métal liquide par soudure ayant une profondeur de 100 µm ou plus, comprenant les étapes successives de fourniture d'une tôle d'acier laminée à froid, dont la composition nominale contient, en pourcentage en poids : 0,07 % = c = 0,5 %, 0,3 % = mn = 5 %, 0,010 % = al = 1 %, 0,010 % = si = 2,45 %, avec 0,35 % = (si+al) = 2,5 %, 0,001 % = cr = 1,0 %, 0,001 % = mo = 0,5 %, et éventuellement, 0,005 % = nb = 0,1 %, 0,005 % = v = 0,2 %, 0,005 % = ti = 0,1 %, 0,0001 % = b = 0,004 %, 0,001 % = cu = 0,5 %, 0,001 % = ni = 1,0 %, le restant étant constitué de fer et d'impuretés inévitables provenant de la fusion, en teneurs telles que s<0,003 %, p<0,02 %, n<0,008 %, de chauffage de la tôle d'acier laminée à froid jusqu'à une température t1 comprise entre 550°c et ac1+50°c dans une zone du four ayant une atmosphère (a1) contenant de 2 à 15 % d'hydrogène en volume, le reste étant constitué d'azote et d'impuretés inévitables, de sorte que le fer ne soit pas oxydé, puis d'addition à l'atmosphère du four d'au moins un élément choisi parmi la vapeur d'eau ou l'oxygène à un débit d'injection q supérieur à (0,07%/h x a), a étant égal à 1 si ledit élément est la vapeur d'eau ou égal à 0,52 si ledit élément est l'oxygène, à une température t=t1, de manière à obtenir une atmosphère (a2) ayant un point de rosée dp2 compris entre -15°c et la température te du point de rosée d'équilibre fer/oxyde de fer, puis de chauffage de la tôle à partir de la température t1 jusqu'à une température t2 comprise entre 720°c et 1000°c dans une zone du four sous atmosphère (a2) d'azote contenant de 2 à 15 % d'hydrogène et plus de 0,1 % de co en volume, avec une pression partielle d'oxygène supérieure à 10-21 atm., la durée td de chauffage de la tôle à partir de la température t1 jusqu'à la fin de l'immersion à la température t2 étant comprise entre 100 et 500 s., d'immersion de la tôle à t2, puis de refroidissement de la tôle à une vitesse comprise entre 10 et 400 °c/s, puis de revêtement de la tôle avec un revêtement de zinc ou d'alliage de zinc.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/IB2017/000753 WO2018234839A1 (fr) | 2017-06-20 | 2017-06-20 | Tôle d'acier revêtue de zinc présentant une soudabilité par points de haute résistance |
PCT/IB2018/054306 WO2018234938A1 (fr) | 2017-06-20 | 2018-06-13 | Tôle d'acier revêtue de zinc présentant une soudabilité par points de haute résistance |
Publications (2)
Publication Number | Publication Date |
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MA49449A MA49449A (fr) | 2020-04-29 |
MA49449B1 true MA49449B1 (fr) | 2021-10-29 |
Family
ID=59366454
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MA054413A MA54413A (fr) | 2017-06-20 | 2018-06-13 | Procede de fabrication d'une soudure par points par resistance |
MA49449A MA49449B1 (fr) | 2017-06-20 | 2018-06-13 | Tôle d'acier revêtue de zinc présentant une soudabilité par points de haute résistance |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MA054413A MA54413A (fr) | 2017-06-20 | 2018-06-13 | Procede de fabrication d'une soudure par points par resistance |
Country Status (16)
Country | Link |
---|---|
US (2) | US11649522B2 (fr) |
EP (2) | EP3642379B1 (fr) |
JP (1) | JP7142037B2 (fr) |
KR (1) | KR102306471B1 (fr) |
CN (1) | CN110892087B (fr) |
BR (2) | BR122023007818B8 (fr) |
CA (1) | CA3063835C (fr) |
ES (1) | ES2886223T3 (fr) |
HU (1) | HUE056466T2 (fr) |
MA (2) | MA54413A (fr) |
MX (1) | MX2019015511A (fr) |
PL (1) | PL3642379T3 (fr) |
RU (1) | RU2732714C1 (fr) |
UA (1) | UA125620C2 (fr) |
WO (2) | WO2018234839A1 (fr) |
ZA (1) | ZA201907399B (fr) |
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JP6795122B1 (ja) | 2019-01-29 | 2020-12-02 | Jfeスチール株式会社 | 高強度溶融亜鉛めっき鋼板およびその製造方法 |
JP7059979B2 (ja) * | 2019-04-25 | 2022-04-26 | Jfeスチール株式会社 | スポット溶接部材 |
MX2022010400A (es) * | 2020-02-25 | 2022-09-07 | Kobe Steel Ltd | Metodo de soldadura a resistencia por puntos. |
JP7424932B2 (ja) * | 2020-07-22 | 2024-01-30 | 株式会社神戸製鋼所 | 抵抗スポット溶接方法 |
WO2021224662A1 (fr) * | 2020-05-07 | 2021-11-11 | Arcelormittal | Procédé de recuit d'acier |
US20230183833A1 (en) * | 2020-06-08 | 2023-06-15 | Nippon Steel Corporation | Steel sheet and method for producing same |
CN116209781A (zh) * | 2020-09-30 | 2023-06-02 | 日本制铁株式会社 | 钢板 |
US20230399712A1 (en) | 2020-11-11 | 2023-12-14 | Nippon Steel Corporation | Steel sheet and method for producing same |
WO2022136686A1 (fr) * | 2020-12-23 | 2022-06-30 | Voestalpine Stahl Gmbh | Bande ou acier revêtu d'alliage de zinc ou de zinc présentant une adhérence au zinc améliorée |
CN114686651A (zh) * | 2020-12-31 | 2022-07-01 | 通用汽车环球科技运作有限责任公司 | 具有降低的液态金属致脆(lme)敏感性的锌涂覆的钢 |
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CN113333986A (zh) * | 2021-05-31 | 2021-09-03 | 帝国理工创新有限公司 | 一种快速成形异种合金拼焊板部件的方法 |
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EP4339308A1 (fr) * | 2021-06-15 | 2024-03-20 | JFE Steel Corporation | Tôle d'acier galvanisé à et élément et procédé de fabrication associé |
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2017
- 2017-06-20 WO PCT/IB2017/000753 patent/WO2018234839A1/fr active Application Filing
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2018
- 2018-06-13 HU HUE18735715A patent/HUE056466T2/hu unknown
- 2018-06-13 UA UAA202000315A patent/UA125620C2/uk unknown
- 2018-06-13 CN CN201880037315.XA patent/CN110892087B/zh active Active
- 2018-06-13 BR BR122023007818A patent/BR122023007818B8/pt active IP Right Grant
- 2018-06-13 JP JP2019570524A patent/JP7142037B2/ja active Active
- 2018-06-13 EP EP18735715.7A patent/EP3642379B1/fr active Active
- 2018-06-13 MA MA054413A patent/MA54413A/fr unknown
- 2018-06-13 ES ES18735715T patent/ES2886223T3/es active Active
- 2018-06-13 PL PL18735715T patent/PL3642379T3/pl unknown
- 2018-06-13 BR BR112019025057A patent/BR112019025057B8/pt active IP Right Grant
- 2018-06-13 MX MX2019015511A patent/MX2019015511A/es unknown
- 2018-06-13 MA MA49449A patent/MA49449B1/fr unknown
- 2018-06-13 KR KR1020197036977A patent/KR102306471B1/ko active IP Right Grant
- 2018-06-13 RU RU2020101918A patent/RU2732714C1/ru active
- 2018-06-13 US US16/614,734 patent/US11649522B2/en active Active
- 2018-06-13 CA CA3063835A patent/CA3063835C/fr active Active
- 2018-06-13 WO PCT/IB2018/054306 patent/WO2018234938A1/fr active Application Filing
- 2018-06-13 EP EP21177833.7A patent/EP3892748A1/fr active Pending
-
2019
- 2019-11-07 ZA ZA2019/07399A patent/ZA201907399B/en unknown
-
2023
- 2023-05-10 US US18/195,578 patent/US20230272502A1/en active Pending
Also Published As
Publication number | Publication date |
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US11649522B2 (en) | 2023-05-16 |
EP3892748A1 (fr) | 2021-10-13 |
CN110892087B (zh) | 2022-03-25 |
EP3642379A1 (fr) | 2020-04-29 |
JP7142037B2 (ja) | 2022-09-26 |
HUE056466T2 (hu) | 2022-02-28 |
MA49449A (fr) | 2020-04-29 |
RU2732714C1 (ru) | 2020-09-22 |
EP3642379B1 (fr) | 2021-08-04 |
KR102306471B1 (ko) | 2021-09-30 |
CA3063835C (fr) | 2022-03-01 |
BR112019025057B1 (pt) | 2023-09-12 |
MX2019015511A (es) | 2020-02-24 |
BR122023007818B8 (pt) | 2023-11-07 |
JP2020524743A (ja) | 2020-08-20 |
MA54413A (fr) | 2021-10-13 |
CA3063835A1 (fr) | 2018-12-27 |
BR112019025057A2 (pt) | 2020-06-16 |
CN110892087A (zh) | 2020-03-17 |
ZA201907399B (en) | 2021-09-29 |
ES2886223T3 (es) | 2021-12-16 |
WO2018234938A1 (fr) | 2018-12-27 |
KR20200008142A (ko) | 2020-01-23 |
PL3642379T3 (pl) | 2022-01-03 |
BR122023007818B1 (pt) | 2023-09-19 |
US20200181729A1 (en) | 2020-06-11 |
US20230272502A1 (en) | 2023-08-31 |
WO2018234839A1 (fr) | 2018-12-27 |
BR112019025057B8 (pt) | 2023-11-07 |
UA125620C2 (uk) | 2022-05-04 |
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