Isothermal Reduction Behavior of Oxide Scale on the Surface of Hot‐Rolled Strip Steel Under Different Hydrogen Concentrations
Shuai He,
Zhi‐Feng Li,
Xin Liu
et al.
Abstract:The oxide scale on the surface of hot‐rolled low‐carbon steel strips is subjected to isothermal reduction in 10 vol%H2–Ar and 20 vol%H2–Ar environments to simulate the reduction process that occurs in a continuous annealing furnace. The influence of hydrogen concentration on the reduction kinetics and the microstructural evolution of the oxide scale after reduction at temperatures ranging from 450 to 850 °C for a duration of 20 min are investigated in detail. The mass changes of the oxide scale in the two gase… Show more
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