Annealing softening behaviour of cold-rolled low-carbon steel with a dual-phase structure and the resulting tensile properties
作者： Z. Li , T.S. Wang , X.J. Zhang , F.C. Zhang
DOI: 10.1016/J.MSEA.2012.05.032
关键词:
摘要: a b s t r c The softening behaviour of cold-rolled dual-phase low-carbon steel during annealing and the resulting microstructure tensile properties were investigated. Ferrite–martensite structures produced by intercritical heat treatments (IHT): (A) quenching at 760 ◦ C after 1000 C; (B) furnace cooling from to immediate quenching. results show that an excellent strength–ductility balance is achieved cold rolling appropriate these two IHT samples. Completely recrystallized ultrafine-grained ferrite with bimodal distribution dispersively nanoscale carbide particles are obtained. activation energy coldrolled sample far less than (B). In addition, effect on behaviour, was discussed.
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