Xu Guang, Yang Jing, Zou Hang, Bu Conghua, Cao Longfei. Research on Microstructure and Property of V-alloyed Superbainite Steel[J]. IRON STEEL VANADIUM TITANIUM, 2011, 32(4): 26-30.
Citation:
Xu Guang, Yang Jing, Zou Hang, Bu Conghua, Cao Longfei. Research on Microstructure and Property of V-alloyed Superbainite Steel[J]. IRON STEEL VANADIUM TITANIUM, 2011, 32(4): 26-30.
Xu Guang, Yang Jing, Zou Hang, Bu Conghua, Cao Longfei. Research on Microstructure and Property of V-alloyed Superbainite Steel[J]. IRON STEEL VANADIUM TITANIUM, 2011, 32(4): 26-30.
Citation:
Xu Guang, Yang Jing, Zou Hang, Bu Conghua, Cao Longfei. Research on Microstructure and Property of V-alloyed Superbainite Steel[J]. IRON STEEL VANADIUM TITANIUM, 2011, 32(4): 26-30.
Faculty of Materials and Metallurgy, Wuhan University of Science and Technology, Key Laboratory for Ferrous Metallurgy and Resources Utilization of Ministry of Education, Wuhan University of Science and Technology, Wuhan 430081, Hubei, China
A new bainite steel with low carbon and low alloy additions is designed and refined in laboratory.The phase transformation test at air cooling condition is carried out on Gleebe-1500 thermal simulator.Bainite transformation range is decided according to the dilation curve and microstructure.Then isothermal processing tests are performed at different temperatures and resulting microstructures are observed.According to the isothermical processing test results the samples are treated by isothermal heat treatment at 320℃ for different time.The following tensile tests indicate that the steel has a good comprehensive property with the ultimate strength of 1 182 MPa and total elongation of 19.0%.The research results demonstrate that bainite microstructure and good strength and toughness can be obtained through short-time bainite transformation.
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