TY - GEN
T1 - Carbide precipitation in a low alloy ferritic steel
AU - Saucedo-Muñoz, M. L.
AU - Gómez-Martínez, R.
AU - Ortiz-Mariscal, A.
AU - Lopez-Hirata, V. M.
AU - Villegas-Cardenas, J. D.
AU - Gonzalez-Velazquez, J. L.
N1 - Publisher Copyright:
© The Minerals, Metals & Materials Society 2017.
PY - 2017
Y1 - 2017
N2 - The precipitation evolution was studied during aging of 2.25Cr-1Mo steel at 550 °C. The as-received steel was aged in two different ways: the first one was the a continuous isothermal treatment at 550 °C for times up to 1000 h and the second aging was performed using isothermal aging cycles which consisted of aging at 550 °C for 60 min and then water quenched at room temperature. M23C6 and M6C precipitation occurred intragranular and intergranular in both types of aging. The coarsening of the carbides was observed to occur with the increase in aging time. Nevertheless, the growth kinetics coarsening was faster in the case of isothermal aging cycles. The hardness decreased with aging time in both cases; however, it occurred in a shorter aging time for the cyclic aging. Nanoindentation tests indicated the increase of ductility as the aging time increased.
AB - The precipitation evolution was studied during aging of 2.25Cr-1Mo steel at 550 °C. The as-received steel was aged in two different ways: the first one was the a continuous isothermal treatment at 550 °C for times up to 1000 h and the second aging was performed using isothermal aging cycles which consisted of aging at 550 °C for 60 min and then water quenched at room temperature. M23C6 and M6C precipitation occurred intragranular and intergranular in both types of aging. The coarsening of the carbides was observed to occur with the increase in aging time. Nevertheless, the growth kinetics coarsening was faster in the case of isothermal aging cycles. The hardness decreased with aging time in both cases; however, it occurred in a shorter aging time for the cyclic aging. Nanoindentation tests indicated the increase of ductility as the aging time increased.
KW - Carbide precipitation
KW - Cycle aging
KW - Growth kinetics
KW - Hardness
KW - Isothermal aging
UR - http://www.scopus.com/inward/record.url?scp=85042358064&partnerID=8YFLogxK
U2 - 10.1007/978-3-319-51493-2_76
DO - 10.1007/978-3-319-51493-2_76
M3 - Contribución a la conferencia
SN - 9783319514925
T3 - Minerals, Metals and Materials Series
SP - 791
EP - 799
BT - TMS 2017 146th Annual Meeting
PB - Springer International Publishing
T2 - 146th Annual Meeting and Exhibition Supplemental, TMS 2017
Y2 - 26 February 2017 through 2 March 2017
ER -