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MX2018001303A - Metodo para la fabricacion de una pieza fosfatable partiendo de una hoja de acero revestida con un recubrimiento metalico a base de aluminio. - Google Patents

Metodo para la fabricacion de una pieza fosfatable partiendo de una hoja de acero revestida con un recubrimiento metalico a base de aluminio.

Info

Publication number
MX2018001303A
MX2018001303A MX2018001303A MX2018001303A MX2018001303A MX 2018001303 A MX2018001303 A MX 2018001303A MX 2018001303 A MX2018001303 A MX 2018001303A MX 2018001303 A MX2018001303 A MX 2018001303A MX 2018001303 A MX2018001303 A MX 2018001303A
Authority
MX
Mexico
Prior art keywords
weight
blank
steel sheet
phosphatable
manufacture
Prior art date
Application number
MX2018001303A
Other languages
English (en)
Inventor
Allely Christian
Machado Amorim Tiago
LEUILLIER Grégory
Original Assignee
Arcelormittal
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
Application filed by Arcelormittal filed Critical Arcelormittal
Publication of MX2018001303A publication Critical patent/MX2018001303A/es

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    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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    • C22C21/00—Alloys based on aluminium
    • C22C21/10—Alloys based on aluminium with zinc as the next major constituent
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    • 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
    • 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
    • C21D8/0257—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment with diffusion of elements, e.g. decarburising, nitriding
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    • C21—METALLURGY OF IRON
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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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    • C22C21/02—Alloys based on aluminium with silicon as the next major constituent
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  • Other Surface Treatments For Metallic Materials (AREA)

Abstract

La presente invención se refiere a un método para la fabricación de una pieza endurecida revestida con un recubrimiento fosfatable que comprende las siguientes etapas: A) la provisión de una hoja de acero revestida previamente con un recubrimiento metálico que comprende de 4.0 a 20.0% en peso de zinc, de 1.0 a 3.5% en peso de silicio, opcionalmente de 1.0 a 4.0% en peso de magnesio y opcionalmente elementos adicionales seleccionados de Pb, Ni, Zr o Hf, siendo el contenido en peso de cada elemento adicional inferior a 0.3% en peso, siendo el resto aluminio e impurezas inevitables y elementos residuales, B) el corte de la hoja de acero revestida para obtener una pieza en bruto, C) el tratamiento térmico de la pieza en bruto a una temperatura entre 840 y 950°C para obtener una microestructura completamente austenítica en el acero, D) la transferencia de la pieza en bruto en una herramienta de prensa, E) la formación en caliente de la pieza en bruto para obtener una pieza, F) el enfriamiento de la pieza obtenida en la etapa E) para obtener una microestructura de acero siendo martensítica o martensito-bainitica o hecha de al menos 75% de ferrita equiaxial, de 5 a 20% de martensita y bainita en cantidad menor o igual a 10%.
MX2018001303A 2015-07-30 2016-07-29 Metodo para la fabricacion de una pieza fosfatable partiendo de una hoja de acero revestida con un recubrimiento metalico a base de aluminio. MX2018001303A (es)

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PCT/IB2015/001285 WO2017017485A1 (en) 2015-07-30 2015-07-30 A method for the manufacture of a phosphatable part starting from a steel sheet coated with a metallic coating based on aluminium
PCT/IB2016/001076 WO2017017521A1 (en) 2015-07-30 2016-07-29 A method for the manufacture of a phosphatable part starting from a steel sheet coated with a metallic coating based on aluminium

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ES2864840T3 (es) 2021-10-14
CA2991549A1 (en) 2017-02-02
KR20180022929A (ko) 2018-03-06
BR112018000460B1 (pt) 2022-02-22
MA42529B1 (fr) 2021-04-30
JP6628863B2 (ja) 2020-01-15
CN110592516A (zh) 2019-12-20
CN110592516B (zh) 2021-10-29
KR102094089B1 (ko) 2020-03-27
EP3329029B1 (en) 2021-03-24
RU2682508C1 (ru) 2019-03-19
CN107923024A (zh) 2018-04-17
US20220356552A1 (en) 2022-11-10
PL3329029T3 (pl) 2021-09-20
EP3329029A1 (en) 2018-06-06
US20180216218A1 (en) 2018-08-02
CN107923024B (zh) 2019-12-17
BR112018000460A2 (pt) 2018-09-11
HUE053698T2 (hu) 2021-07-28
US12104255B2 (en) 2024-10-01
WO2017017485A1 (en) 2017-02-02
WO2017017521A8 (en) 2018-02-22
US11414737B2 (en) 2022-08-16
MA42529A (fr) 2018-06-06
UA119406C2 (uk) 2019-06-10
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WO2017017521A1 (en) 2017-02-02
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