TY - GEN
T1 - Intercritical Annealing Temperature
T2 - 2019 Open Innovations Conference, OI 2019
AU - Ogunmefun, Anthony Olakunle
AU - Jamiru, Tamba
AU - Sadiku, Emmanuel Rotimi
AU - Obadele, Babatunde Abiodun
AU - Olorundaisi, Emmanuel
N1 - Publisher Copyright:
© 2019 IEEE.
PY - 2019/10
Y1 - 2019/10
N2 - A study has been made on the effects of inter-critical annealing temperature on the mechanical behavior of a low alloy dual phase Fe/0.083C/0.4Mn steel. Homogenization and normalization of the substrates via heat treatments were performed on low carbon-manganese steel. The direct annealing heat treatments were carried out at 735C, 755C, 795C and 830C, and suddenly quenched in cold water. Dual phase ferrite-martensite steel was obtained. Tensile and yield tests were determined through their relationship equation with hardness test at room temperature. Indentation analysis was carried out on the microstructure of each sample. The results revealed that the best mechanical properties in dual-phase steels, e.g., impact toughness and ductility, appear at the inter-critical temperature of 735C, highest strength at 755C, duplex microstructure were obtained when the temperature is higher than 800 C, with the highest ductility properties at 830C.
AB - A study has been made on the effects of inter-critical annealing temperature on the mechanical behavior of a low alloy dual phase Fe/0.083C/0.4Mn steel. Homogenization and normalization of the substrates via heat treatments were performed on low carbon-manganese steel. The direct annealing heat treatments were carried out at 735C, 755C, 795C and 830C, and suddenly quenched in cold water. Dual phase ferrite-martensite steel was obtained. Tensile and yield tests were determined through their relationship equation with hardness test at room temperature. Indentation analysis was carried out on the microstructure of each sample. The results revealed that the best mechanical properties in dual-phase steels, e.g., impact toughness and ductility, appear at the inter-critical temperature of 735C, highest strength at 755C, duplex microstructure were obtained when the temperature is higher than 800 C, with the highest ductility properties at 830C.
KW - grain size
KW - heat treatment
KW - intercritical annealing temperature
KW - micro-indentation hardness
KW - microstructure
KW - ultimate tensile strength
KW - yield strength
UR - http://www.scopus.com/inward/record.url?scp=85076372661&partnerID=8YFLogxK
U2 - 10.1109/OI.2019.8908167
DO - 10.1109/OI.2019.8908167
M3 - Conference contribution
AN - SCOPUS:85076372661
T3 - 2019 Open Innovations Conference, OI 2019
SP - 141
EP - 146
BT - 2019 Open Innovations Conference, OI 2019
A2 - Ochara, Nixon Muganda
A2 - Odhiambo, Julius Nyerere
PB - Institute of Electrical and Electronics Engineers Inc.
Y2 - 2 October 2019 through 4 October 2019
ER -