Title:
AUSTENITIC LIGHTWEIGHT STEEL MATERIAL HAVING HIGH TOUGHNESS AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2020/111478
Kind Code:
A1
Abstract:
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.
Inventors:
PARK JUN YOUNG (KR)
PARK SEONG JUN (KR)
KANG JUN-YUN (KR)
KIM SUNG-DAE (KR)
MOON JOON OH (KR)
LEE CHANG-HOON (KR)
LEE TAE-HO (KR)
JANG JAE HOON (KR)
HA HEON YOUNG (KR)
PARK SEONG JUN (KR)
KANG JUN-YUN (KR)
KIM SUNG-DAE (KR)
MOON JOON OH (KR)
LEE CHANG-HOON (KR)
LEE TAE-HO (KR)
JANG JAE HOON (KR)
HA HEON YOUNG (KR)
Application Number:
PCT/KR2019/012316
Publication Date:
June 04, 2020
Filing Date:
September 23, 2019
Export Citation:
Assignee:
KOREAN INSTITUTE OFMACHINERY & MAT (KR)
International Classes:
C22C38/04; C21D8/02; C21D8/04; C21D9/00; C22C38/06; C22C38/12
Domestic Patent References:
| WO2017148892A1 | 2017-09-08 |
Foreign References:
| JP2006176843A | 2006-07-06 | |||
| JP2006118000A | 2006-05-11 | |||
| JP2005015909A | 2005-01-20 | |||
| KR101568552B1 | 2015-11-11 |
Attorney, Agent or Firm:
DAE-A INTELLECTUAL PROPERTY CONSULTING (KR)
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