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Because of the influence of Nb-educts in cold rolled Nb-microalloy high strength steel manufactured by a continuous annealing unit,different quantities of non-recrystallized ferrite exist in the material,which leads to great fluctuation of mechanical behavior of the material.In this study,the relationship between non-recrystallized ferrite and mechanical properties is analyzed,and some factors influencing the formation of non-recrystallized ferrite are also studied.
Because of the influence of Nb-educts in cold rolled Nb-microalloy high strength steel manufactured by a continuous annealing unit, different quantities of non-recrystallized ferrite exist in the material, which leads to great fluctuation of mechanical behavior of the material. This study, the relationship between non-recrystallized ferrite and mechanical properties is analyzed, and some factors influencing the formation of non-recrystallized ferrite are also studied.