RT Conference Proceedings
T1 Development of a 2.25%Cr steel P23 reinforced with micro/nano-carbide particles produced by self-propagating high-temperature synthesis
A1 Carsí, Manuel
A1 Jimenez, Jose A.
A1 Gomez-Mitxelena, Xabier
A1 Ruano, Oscar A.
A2 Sommitsch, Christof
A2 Ionescu, Mihail
A2 Mishra, Brajendra
A2 Mishra, Brajendra
A2 Kozeschnik, Ernst
A2 Chandra, T.
AB In the present work, 1 wt.% of (Ti,Nb)C carbide particles prepared by self-propagating high temperature synthesis (SHS) were introduced into a melt of a conventional P23 steel to obtain a reinforced material with improved creep properties. The as-cast material showed a eutectic type microstucture, indicating partial dissolution of these carbides in the melt. Inside the dendritic regions, a bainitic/martensitic structure similar to that of the unreinforced material was present. A significant refinement of the prior austenitic grain size was revealed in the reinforced material. Brinell hardeness measurements reveal an increase of hardness in the reinforeced material due to the addition of the carbides. High strain rate compression tests were perfomed at temperatures in the range 950 and 1250ºC to determine the optimum forming conditions. Stability maps for a wide range of temperatures and strain rates were drawn. The optimum temperature for the reinforced steel is about 77 K higher than for the non-reinforced steel.
PB Trans Tech Publications Ltd
SN 9783035711295
SN 0255-5476
YR 2017
FD 2017
LK https://hdl.handle.net/11556/1937
UL https://hdl.handle.net/11556/1937
LA eng
NO Carsí , M , Jimenez , J A , Gomez-Mitxelena , X & Ruano , O A 2017 , Development of a 2.25%Cr steel P23 reinforced with micro/nano-carbide particles produced by self-propagating high-temperature synthesis . in C Sommitsch , M Ionescu , B Mishra , B Mishra , E Kozeschnik & T Chandra (eds) , THERMEC 2016 . Materials Science Forum , vol. 879 , Trans Tech Publications Ltd , pp. 1624-1628 , 9th International Conference on Processing and Manufacturing of Advanced Materials, THERMEC 2016 , Graz , Austria , 29/05/16 . https://doi.org/10.4028/www.scientific.net/MSF.879.1624
NO conference
NO Publisher Copyright: © 2017 Trans Tech Publications, Switzerland.
NO This work was financially supported by the Ministerio de Economía e Innovacion (MINECO) Spain, under Grant MAT2012-39124.
DS TECNALIA Publications
RD 9 ago 2024