State Key Laboratory of Coal Mine Disaster Dynamics and Control;
College of Materials Science and Engineering;
Chongqing University;
Chongqing 400030;
China;
Chongqing Key Laboratory of Vanadium-Titanium Metallurgy and New Materials;
Chongqing University;
Chongqing 400030;
China;
Applied Materials Physics.Department of Materials Science and Engineering;
KTH-Royal Institute of Technology;
Stockholm 10044;
Sweden;
Institute for Materials Research;
Tohoku University;
Sendai 980-8577;
Japan;
Austenite; grains; growth; Reheating; process; Precipitate; dissolution; Precipitate; coarsening; Prediction; model;