The paper discussed how to get the mixed microstructure which was mainly Bainite after the casting of gray cast iron by controlling the cooling rate after moulding.

• 本文通过对浇注后冷却速度的控制，探讨普通灰铸铁在铸造后直接获得以贝氏体为主的混合基体组织的灰铸铁的生产方法。