MX2022004671A - Lamina de acero de alta resistencia y metodo para fabricar la misma. - Google Patents

Lamina de acero de alta resistencia y metodo para fabricar la misma.

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Publication number
MX2022004671A
MX2022004671A MX2022004671A MX2022004671A MX2022004671A MX 2022004671 A MX2022004671 A MX 2022004671A MX 2022004671 A MX2022004671 A MX 2022004671A MX 2022004671 A MX2022004671 A MX 2022004671A MX 2022004671 A MX2022004671 A MX 2022004671A
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Mexico
Prior art keywords
mass
average
amount
residual austenite
value obtained
Prior art date
Application number
MX2022004671A
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English (en)
Inventor
Yuki Toji
Yoshiyasu Kawasaki
Kazuki ENDOH
Original Assignee
Jfe Steel Corp
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Publication date
Application filed by Jfe Steel Corp filed Critical Jfe Steel Corp
Publication of MX2022004671A publication Critical patent/MX2022004671A/es

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    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/04Ferrous alloys, e.g. steel alloys containing manganese
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/02Ferrous alloys, e.g. steel alloys containing silicon
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/001Ferrous alloys, e.g. steel alloys containing N
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    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/46Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C47/00Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/02Winding-up or coiling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00Layered products comprising a layer of metal
    • B32B15/01Layered products comprising a layer of metal all layers being exclusively metallic
    • B32B15/013Layered 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 a metal other than iron or aluminium
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    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18Hardening; Quenching with or without subsequent tempering
    • C21D1/19Hardening; Quenching with or without subsequent tempering by interrupted quenching
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    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18Hardening; Quenching with or without subsequent tempering
    • C21D1/25Hardening, combined with annealing between 300 degrees Celsius and 600 degrees Celsius, i.e. heat refining ("Vergüten")
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    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/26Methods of annealing
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    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/78Combined heat-treatments not provided for above
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    • C21D8/00Modifying the physical properties by deformation combined with, or followed by, heat treatment
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    • C21D8/00Modifying the physical properties by deformation combined with, or followed by, heat treatment
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    • C21D8/00Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
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    • C22C38/12Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
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    • C21D2211/00Microstructure comprising significant phases
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    • C21D2211/00Microstructure comprising significant phases
    • C21D2211/008Martensite

Abstract

El objetivo es proporcionar una lámina de acero de alta resistencia que tenga una relación de fluencia superior a 0.70, una resistencia a la tracción de 980 MPa o más, y una excelente formabilidad, así como un método para fabricar la lámina de acero de alta resistencia. Se proporciona una lámina de acero de alta resistencia con una composición química predeterminada y se fabrica en condiciones óptimas, la lámina de acero de alta resistencia tiene una microestructura de acero que incluye, por área, ferrita: 30 % o más y 80 % o menos, martensita templada: 3.0 % o más y 35 % o menos, y austenita retenida: 8 % o más, en donde el cociente de la fracción de área de granos de la austenita retenida, los granos que tienen una relación de aspecto de 2.0 o más y una longitud de eje menor de 1 µm o menos, dividido por la fracción de área total de la austenita retenida es 0.3 o más, en donde el cociente del contenido promedio de Mn (% en masa) en la austenita retenida dividido por el contenido promedio de Mn (% en masa) en la ferrita es 1.5 o más, y el producto del cociente del contenido promedio de Mn (% en masa) en la austenita retenida dividido por el contenido promedio de Mn (% en masa) en la ferrita y la relación de aspecto promedio de la austenita retenida es 3.0 o más, el cociente del contenido promedio de C (% en masa) en la austenita retenida dividido por el contenido promedio de C (% en masa) en la ferrita es de 3.0 o más, y en donde el cociente del contenido promedio de C (% en masa) en la austenita retenida dividido por el contenido promedio de Mn (% en masa) en la austenita retenida es de 0.05 o más, y en donde el contenido de hidrógeno difusible en el acero es de 0.3 ppm en masa o menos.
MX2022004671A 2019-10-23 2020-10-08 Lamina de acero de alta resistencia y metodo para fabricar la misma. MX2022004671A (es)

Applications Claiming Priority (2)

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JP2019192516 2019-10-23
PCT/JP2020/038198 WO2021079756A1 (ja) 2019-10-23 2020-10-08 高強度鋼板およびその製造方法

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EP (1) EP4029957A4 (es)
JP (1) JP7164024B2 (es)
KR (1) KR20220066365A (es)
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KR20220068245A (ko) * 2019-10-23 2022-05-25 제이에프이 스틸 가부시키가이샤 고강도 강판 및 그의 제조 방법
WO2023053908A1 (ja) * 2021-09-30 2023-04-06 Jfeスチール株式会社 鋼板、部材およびそれらの製造方法
KR20240051976A (ko) * 2021-09-30 2024-04-22 제이에프이 스틸 가부시키가이샤 강판, 부재 및 그들의 제조 방법
TWI831367B (zh) * 2022-09-08 2024-02-01 大田精密工業股份有限公司 高強度鎳鉻鉬鋼材及其製造方法
CN115491608B (zh) * 2022-09-29 2023-08-15 桂林理工大学 一种(Cr,Fe)7C3和TiC复合强化中锰钢及其制备方法

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KR102437795B1 (ko) * 2018-03-30 2022-08-29 제이에프이 스틸 가부시키가이샤 고강도 강판 및 그 제조 방법
KR102467658B1 (ko) * 2018-03-30 2022-11-18 닛폰세이테츠 가부시키가이샤 강판 및 그 제조 방법
MX2020010211A (es) 2018-03-30 2020-11-09 Jfe Steel Corp Lamina de acero de alta resistencia y metodo para fabricar la misma.

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