It was found that compared to intercritical annealing,spheroidization occurs more rapidly in subcritical process,with formation of finer and degenerated pearlite with many ki...

• 控轧控冷的中碳钢线材尽管具有比较粗大的珠光体组织,但因有相当部分的珠光体发生退化,其球化退火进程要明显快于细珠光体组织。