In this review, effects of initial microstructure before intercritical annealing and processing routes of dual phase (DP) high strength steels are discussed. Prior-applied deformation processes as cold rolling and severe plastic deformation (SPD) including their impacts on mechanical properties of DP steels are described. Influences of heating rate, recrystallization of ferrite, nucleation and grain growth of austenite on the microstructure evolution are also presented. The intercritical annealing and thermomechanical processes of DP steels are comparatively outlined. Furthermore, post-intercritical annealing treatments, i.e., tempering, bake hardening, strain and quench aging are argued. Effects of key alloying elements on the microstructure and mechanical properties of DP steels are briefly summarized. A further development of DP steels can properly benefit from this extensive review.

在这篇综述中，讨论了双相 (DP) 高强度钢的临界间退火和加工路线之前的初始微观结构的影响。描述了预先应用的变形过程，如冷轧和严重塑性变形 (SPD)，包括它们对 DP 钢机械性能的影响。还介绍了加热速率、铁素体再结晶、奥氏体形核和晶粒长大对组织演变的影响。DP钢的临界间退火和热机械过程比较概括。此外，还争论了临界后退火处理，即回火、烘烤硬化、应变和淬火时效。简要总结了关键合金元素对DP钢组织和力学性能的影响。