研究了60Si2Mn弹簧钢半固态浆料的制备规律,结果表明:在本实验条件下,当搅拌时间为2 min时,可以获得尺寸大小为100～300 μm、固相率为40 %～50 %的球状初生奥氏体的半固态浆料,这样的半固态浆料便于从搅拌室底孔中放出;电磁搅拌使60Si2Mn弹簧钢熔体获得均匀的温度场和溶质场,抑制了发达的初生奥氏体枝晶的形成,为球状晶的获得奠定了基础;电磁搅拌引起蔷薇状初生奥氏体枝晶出现强烈的温度起伏和枝晶臂根部熔断是获得球状晶粒最重要的原因.
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