MA42520B1 - Procédé de fabrication d'une pièce durcie ne présentant aucun problème de lme - Google Patents
Procédé de fabrication d'une pièce durcie ne présentant aucun problème de lmeInfo
- Publication number
- MA42520B1 MA42520B1 MA42520A MA42520A MA42520B1 MA 42520 B1 MA42520 B1 MA 42520B1 MA 42520 A MA42520 A MA 42520A MA 42520 A MA42520 A MA 42520A MA 42520 B1 MA42520 B1 MA 42520B1
- Authority
- MA
- Morocco
- Prior art keywords
- weight
- blank
- manufacturing
- steel
- silicon
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 title 1
- 229910000831 Steel Inorganic materials 0.000 abstract 4
- 239000010959 steel Substances 0.000 abstract 4
- 229910000734 martensite Inorganic materials 0.000 abstract 2
- 229910052710 silicon Inorganic materials 0.000 abstract 2
- 239000010703 silicon Substances 0.000 abstract 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 abstract 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 abstract 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 abstract 1
- 229910001563 bainite Inorganic materials 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 238000001816 cooling Methods 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 239000012535 impurity Substances 0.000 abstract 1
- 229910052749 magnesium Inorganic materials 0.000 abstract 1
- 239000011777 magnesium Substances 0.000 abstract 1
- 239000011701 zinc Substances 0.000 abstract 1
- 229910052725 zinc Inorganic materials 0.000 abstract 1
- 229910000859 α-Fe Inorganic materials 0.000 abstract 1
Classifications
-
- 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
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
- B32B15/012—Layered products comprising a layer of metal all layers being exclusively metallic one layer being formed of an iron alloy or steel, another layer being formed of aluminium or an aluminium alloy
-
- 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
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni
-
- 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
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/005—Heat treatment of ferrous alloys containing Mn
-
- 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
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/008—Heat treatment of ferrous alloys containing Si
-
- 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
- C21D8/005—Modifying the physical properties by deformation combined with, or followed by, heat treatment of ferrous 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
- 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
- C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/02—Alloys based on aluminium with silicon as the next major constituent
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/06—Alloys based on aluminium with magnesium as the next major constituent
- C22C21/08—Alloys based on aluminium with magnesium as the next major constituent with silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/10—Alloys based on aluminium with zinc as the next major constituent
-
- 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
- C23C2/261—After-treatment in a gas atmosphere, e.g. inert or reducing atmosphere
-
- 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
- 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
- C21D2211/005—Ferrite
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Crystallography & Structural Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Heat Treatment Of Articles (AREA)
- Coating With Molten Metal (AREA)
Abstract
La présente invention concerne un procédé de fabrication d'une pièce durcie comprenant les étapes suivantes : a) fourniture d'une tôle d'acier prérevêtue d'un revêtement métallique contenant de 2,0 à 24,0 % en poids de zinc, de 1,1 à 7,0 % en poids de silicium, éventuellement de 1,1 à 8,0 % en poids de magnésium lorsque la quantité de silicium est comprise entre 1,1 et 4,0 %, et éventuellement des éléments supplémentaires choisis parmi pb, ni, zr ou hf, la teneur en poids de chaque élément supplémentaire étant inférieure à 0,3 % en poids, le reste étant de l'aluminium et les inévitables impuretés et éléments résiduels et le rapport al/zn étant supérieur à 2,9 ; b) découpe de la tôle d'acier revêtue de façon à obtenir une ébauche ; c) traitement thermique de l'ébauche à une température comprise entre 840 et 950 °c de façon à obtenir une microstructure entièrement austénitique dans l'acier ; d) transfert de l'ébauche dans un outil de presse ; e) formage à chaud de l'ébauche de façon à obtenir une pièce ; f) refroidissement de la pièce obtenue à l'étape e) afin d'obtenir une microstructure martensitique ou martensito-bainitique en acier ou constituée d'au moins 75 % de ferrite équiaxe, de 5 à 20 % de martensite et de bainite en une quantité inférieure ou égale à 10 %.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/IB2015/001284 WO2017017484A1 (fr) | 2015-07-30 | 2015-07-30 | Procédé pour la fabrication d'une pièce durcie qui ne présente pas de problèmes lme (liquide metal embrittlement - fragilité par les métaux liquides) |
| PCT/IB2016/000983 WO2017017514A1 (fr) | 2015-07-30 | 2016-07-11 | Procédé de fabrication d'une pièce durcie ne présentant aucun problème de lme |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| MA42520A MA42520A (fr) | 2018-06-06 |
| MA42520B1 true MA42520B1 (fr) | 2022-02-28 |
Family
ID=54015126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MA42520A MA42520B1 (fr) | 2015-07-30 | 2016-07-11 | Procédé de fabrication d'une pièce durcie ne présentant aucun problème de lme |
Country Status (16)
| Country | Link |
|---|---|
| US (6) | US11162153B2 (fr) |
| EP (3) | EP4553182A3 (fr) |
| JP (1) | JP6630431B2 (fr) |
| KR (1) | KR102075278B1 (fr) |
| CN (1) | CN107849628B (fr) |
| BR (1) | BR112018000450B1 (fr) |
| CA (1) | CA2991548C (fr) |
| ES (2) | ES3035633T3 (fr) |
| FI (1) | FI4006178T3 (fr) |
| HU (2) | HUE058024T2 (fr) |
| MA (1) | MA42520B1 (fr) |
| MX (1) | MX2018001308A (fr) |
| PL (2) | PL3329021T3 (fr) |
| RU (1) | RU2685617C1 (fr) |
| UA (1) | UA119821C2 (fr) |
| WO (2) | WO2017017484A1 (fr) |
Families Citing this family (38)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017017483A1 (fr) * | 2015-07-30 | 2017-02-02 | Arcelormittal | Tôle d'acier revêtue d'un revêtement métallique à base d'aluminium |
| WO2017017485A1 (fr) | 2015-07-30 | 2017-02-02 | Arcelormittal | Procédé de fabrication d'une pièce phosphatable à partir d'une tôle d'acier revêtue d'un revêtement métallique à base d'aluminium |
| WO2017017484A1 (fr) | 2015-07-30 | 2017-02-02 | Arcelormittal | Procédé pour la fabrication d'une pièce durcie qui ne présente pas de problèmes lme (liquide metal embrittlement - fragilité par les métaux liquides) |
| PT3589772T (pt) * | 2017-02-28 | 2023-05-09 | Tata Steel Ijmuiden Bv | Método de produção de um produto de aço revestido formado a quente |
| CN110475899A (zh) * | 2017-03-31 | 2019-11-19 | 日本制铁株式会社 | 表面处理钢板 |
| MX2019014245A (es) * | 2017-06-02 | 2020-02-03 | Nippon Steel Corp | Miembro estampado en caliente. |
| CN112584958A (zh) * | 2018-09-13 | 2021-03-30 | 安赛乐米塔尔公司 | 用于制造至少两个金属基底的组件的焊接方法 |
| CN112533725A (zh) | 2018-09-13 | 2021-03-19 | 安赛乐米塔尔公司 | 至少两个金属基底的组件 |
| US11919102B2 (en) | 2018-09-13 | 2024-03-05 | Arcelormittal | Assembly of at least 2 metallic substrates |
| CN109324619B (zh) * | 2018-09-25 | 2021-10-22 | 苏州大学 | 液态金属电致驱动小车及其运动控制方法 |
| KR102354447B1 (ko) | 2018-09-27 | 2022-03-21 | 주식회사 포스코 | 용접액화취성에 대한 저항성과 도금밀착성이 우수한 고내식 도금강판 |
| WO2020109849A1 (fr) | 2018-11-30 | 2020-06-04 | Arcelormittal | Injection de fil |
| EP3889310A4 (fr) | 2018-11-30 | 2022-08-10 | Nippon Steel Corporation | Tôle d'acier plaquée d'aluminium, élément estampé à chaud, et procédé de fabrication d'élément estampé à chaud |
| KR102153194B1 (ko) * | 2018-12-18 | 2020-09-08 | 주식회사 포스코 | 액상금속취화(lme) 균열 저항성이 우수한 초고강도 고연성 냉연강판, 도금강판 및 이들의 제조방법 |
| WO2020204037A1 (fr) * | 2019-04-01 | 2020-10-08 | 日本製鉄株式会社 | Article moulé estampé à chaud, plaque d'acier pour estampage à chaud, et procédés de fabrication de ceux-ci |
| WO2020204027A1 (fr) * | 2019-04-01 | 2020-10-08 | 日本製鉄株式会社 | Article moulé estampé à chaud, et procédé de fabrication de celui-ci |
| WO2020208399A1 (fr) | 2019-04-09 | 2020-10-15 | Arcelormittal | Assemblage d'un composant en aluminium et d'une pièce en acier trempé sous presse ayant un revêtement en alliage comprenant du silicium, du fer, du zinc, éventuellement du magnésium, le reste étant de l'aluminium |
| WO2021084304A1 (fr) * | 2019-10-30 | 2021-05-06 | Arcelormittal | Procédé d'emboutissage à chaud |
| WO2021084302A1 (fr) | 2019-10-30 | 2021-05-06 | Arcelormittal | Procédé d'emboutissage à chaud |
| KR20210078277A (ko) * | 2019-12-18 | 2021-06-28 | 주식회사 포스코 | 알루미늄합금 도금강판, 열간성형 부재 및 이들의 제조방법 |
| WO2022096921A1 (fr) * | 2020-11-06 | 2022-05-12 | Arcelormittal | Structure de plancher arrière pour véhicule automobile |
| EP4261294A4 (fr) | 2021-01-14 | 2025-01-15 | Nippon Steel Corporation | Élément d'estampage à chaud |
| KR102845678B1 (ko) | 2021-01-14 | 2025-08-18 | 닛폰세이테츠 가부시키가이샤 | 도금 강재 |
| EP4417729B1 (fr) | 2021-10-12 | 2025-09-17 | Nippon Steel Corporation | Corps estampé à chaud |
| WO2024028642A1 (fr) * | 2022-08-04 | 2024-02-08 | Arcelormittal | Tôle d'acier ayant d'excellentes propriétés de poudrage après durcissement à la presse et son procédé de fabrication |
| WO2024028641A1 (fr) * | 2022-08-04 | 2024-02-08 | Arcelormittal | Tôle d'acier ayant d'excellentes propriétés de corrosion après durcissement à la presse et son procédé de fabrication |
| WO2024028640A1 (fr) * | 2022-08-04 | 2024-02-08 | Arcelormittal | Feuille d'acier à épaisseur variable présentant un risque réduit de fracture retardée après emboutissage à chaud, procédé d'emboutissage à chaud, pièce d'acier revêtue emboutie à chaud |
| WO2024070812A1 (fr) * | 2022-09-29 | 2024-04-04 | 日本製鉄株式会社 | Article découpé et glissière de sécurité |
| WO2024121610A1 (fr) * | 2022-12-09 | 2024-06-13 | Arcelormittal | Procédé de fabrication de pièces de presse en acier à faible impact environnemental |
| WO2024122124A1 (fr) | 2022-12-09 | 2024-06-13 | 日本製鉄株式会社 | Corps moulé par estampage à chaud |
| EP4632087A1 (fr) | 2022-12-09 | 2025-10-15 | Nippon Steel Corporation | Corps moulé par estampage à chaud |
| JP7727251B2 (ja) | 2022-12-09 | 2025-08-21 | 日本製鉄株式会社 | ホットスタンプ成形体 |
| JPWO2024122117A1 (fr) | 2022-12-09 | 2024-06-13 | ||
| JPWO2024122120A1 (fr) | 2022-12-09 | 2024-06-13 | ||
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2015
- 2015-07-30 WO PCT/IB2015/001284 patent/WO2017017484A1/fr not_active Ceased
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- 2016-07-11 EP EP22151717.0A patent/EP4006178B1/fr active Active
- 2016-07-11 WO PCT/IB2016/000983 patent/WO2017017514A1/fr not_active Ceased
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