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1. WO2020111478 - AUSTENITIC LIGHTWEIGHT STEEL MATERIAL HAVING HIGH TOUGHNESS AND PREPARATION METHOD THEREFOR

Publication Number WO/2020/111478
Publication Date 04.06.2020
International Application No. PCT/KR2019/012316
International Filing Date 23.09.2019
IPC
C22C 38/04 2006.01
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
CALLOYS
38Ferrous alloys, e.g. steel alloys
04containing manganese
C22C 38/06 2006.01
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
CALLOYS
38Ferrous alloys, e.g. steel alloys
06containing aluminium
C22C 38/12 2006.01
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
CALLOYS
38Ferrous alloys, e.g. steel alloys
12containing tungsten, tantalum, molybdenum, vanadium or niobium
C21D 8/02 2006.01
CCHEMISTRY; METALLURGY
21METALLURGY OF IRON
DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING, OR OTHER TREATMENTS
8Modifying the physical properties by deformation combined with, or followed by, heat treatment
02during manufacturing of plates or strips
C21D 8/04 2006.01
CCHEMISTRY; METALLURGY
21METALLURGY OF IRON
DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING, OR OTHER TREATMENTS
8Modifying the physical properties by deformation combined with, or followed by, heat treatment
02during manufacturing of plates or strips
04to produce plates or strips for deep-drawing
C21D 9/00 2006.01
CCHEMISTRY; METALLURGY
21METALLURGY OF IRON
DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING, OR OTHER TREATMENTS
9Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
CPC
C21D 8/02
CCHEMISTRY; METALLURGY
21METALLURGY OF IRON
DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHER TREATMENTS
8Modifying the physical properties by deformation combined with, or followed by, heat treatment
02during manufacturing of plates or strips
C21D 8/04
CCHEMISTRY; METALLURGY
21METALLURGY OF IRON
DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHER TREATMENTS
8Modifying the physical properties by deformation combined with, or followed by, heat treatment
02during manufacturing of plates or strips
04to produce plates or strips for deep-drawing
C21D 9/00
CCHEMISTRY; METALLURGY
21METALLURGY OF IRON
DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHER TREATMENTS
9Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
C22C 38/04
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
CALLOYS
38Ferrous alloys, e.g. steel alloys
04containing manganese
C22C 38/06
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
CALLOYS
38Ferrous alloys, e.g. steel alloys
06containing aluminium
C22C 38/12
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
CALLOYS
38Ferrous alloys, e.g. steel alloys
12containing tungsten, tantalum, molybdenum, vanadium, or niobium
Applicants
  • 한국기계연구원 KOREAN INSTITUTE OFMACHINERY & MATERIALS [KR]/[KR]
Inventors
  • 박준영 PARK, Jun Young
  • 박성준 PARK, Seong Jun
  • 강전연 KANG, Jun-Yun
  • 김성대 KIM, Sung-Dae
  • 문준오 MOON, Joon Oh
  • 이창훈 LEE, Chang-Hoon
  • 이태호 LEE, Tae-Ho
  • 장재훈 JANG, Jae Hoon
  • 하헌영 HA, Heon Young
Agents
  • 특허법인(유한) 대아 DAE-A INTELLECTUAL PROPERTY CONSULTING
Priority Data
10-2018-014734426.11.2018KR
Publication Language Korean (KO)
Filing Language Korean (KO)
Designated States
Title
(EN) AUSTENITIC LIGHTWEIGHT STEEL MATERIAL HAVING HIGH TOUGHNESS AND PREPARATION METHOD THEREFOR
(FR) MATÉRIAU D'ACIER AUSTÉNITIQUE LÉGER AYANT UNE TÉNACITÉ ÉLEVÉE ET SON PROCÉDÉ D'ÉLABORATION
(KO) 고인성을 갖는 오스테나이트계 경량 강재 및 그 제조 방법
Abstract
(EN)
Disclosed are: austenitic lightweight steel material having high toughness, in which the minimum cooling rate capable of securing high toughness is determined through the correlation between Al content and cooling rate in an Fe-C-Mn-Al alloy composition; and a preparation method therefor.
(FR)
L'invention concerne : un matériau d'acier austénitique léger ayant une ténacité élevée, la vitesse de refroidissement minimale capable de garantir une ténacité élevée étant déterminée par corrélation entre la teneur en Al et la vitesse de refroidissement dans une composition d'alliage Fe-C-Mn-Al ; et son procédé d'élaboration.
(KO)
본 발명은 Fe-C-Mn-Al 합금 조성에서 Al의 함량과 냉각속도 간의 상관 관계를 통하여 고인성을 확보할 수 있는 최소한의 냉각속도를 알아낸 고인성을 갖는 오스테나이트계 경량 강재 및 그 제조 방법에 대하여 개시한다.
Also published as
Latest bibliographic data on file with the International Bureau