In this paper, the oxidation behaviors of DP980 advanced high strength steel (AHSS) are studied during annealing in a hydrogen atmosphere with different temperatures and heating rates. It is revealed that with the increase in holding time, the different heating rates affecting the surface oxide precipitation on the strip surface will be weakened. Mass transfer of Mn in heating, soaking, and cooling stages has been considered to illustrate the effect of heating rate on the oxide morphology of steel. And then, the Wagner model and aluminothermic reaction kinetics were performed to discuss the transition from external to internal and maximum reduction diameter of MnO oxidation.

中文翻译：

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在纯H2气氛中以不同的加热速率和温度进行退火后，对双相钢的选择性氧化的见解

本文研究了DP980高级高强度钢（AHSS）在不同温度和加热速率的氢气气氛中退火过程中的氧化行为。结果表明，随着保温时间的增加，影响带钢表面氧化物沉淀的不同加热速率将减弱。已经考虑了在加热，均热和冷却阶段中Mn的质量转移，以说明加热速率对钢的氧化物形态的影响。然后，进行了Wagner模型和铝热反应动力学，以讨论MnO氧化从内到外的转变以及最大还原直径。