RT Conference Proceedings
T1 New Multiphase CP and DP 1000 MPa strength level grades for improved performance after hot forming
A1 Lahaije, C T W
A1 Rana, R
A1 Sunderkoetter, C
A1 Pérez, Iñaki
A1 Arribas, Maribel
A1 Aranguren, Iñigo
A1 Caro, Daniele De
A1 Pérez, Iaki
A1 Aranguren, Iigo
AB Pure martensitic steels have after hot forming limited performance in terms of rest ductility which limits the application in crash relevant parts. New steel grades were designed in the EU project HOTFORM including the corresponding process routes. These steel grades have ferritic-martensitic dual phase (DP) and martensitic-bainitic complex phase (CP) microstructures after hot forming process. The laboratory tests show an improved formability after hot forming. The basic concepts of the new alloys are explained. Furthermore, for validation of upscaling purposes a semi-industrial test is carried out and the results are discussed. The main application is for vehicle safety. This is evaluated by comparing the crash performance of these hot formed grades with cold rolled DP1000 and CP1000 for crash cans in a drop tower test.
SN 1757-8981
YR 2019
FD 2019-11-26
LA eng
NO Lahaije , C T W , Rana , R , Sunderkoetter , C , Pérez , I , Arribas , M , Aranguren , I , Caro , D D , Pérez , I & Aranguren , I 2019 , ' New Multiphase CP and DP 1000 MPa strength level grades for improved performance after hot forming ' , IOP Conference Series: Materials Science and Engineering , vol. 651 , no. 1 , 012092 , pp. 12092 . https://doi.org/10.1088/1757-899X/651/1/012092
NO Publisher Copyright: © Published under licence by IOP Publishing Ltd.
DS TECNALIA Publications
RD 25 ago 2024