非平衡组织多次重复高温加热淬火细化晶粒研究

发布时间：2018-10-05 12:11

【摘要】：将低压转子钢30Cr2Ni4Mo V粗大非平衡组织多次重复高温加热、保温适当时间淬火,分析α相再结晶程度对细化晶粒的影响。结果表明:经910~1000℃单次高温加热、淬火后,其晶粒度达5.5~6级;两次重复高温加热910℃×2 h细化效果较好,晶粒度达8级;三次重复高温加热910℃×2 h,促进了α相发生完全再结晶,实现晶粒均匀化。
[Abstract]:The coarse non-equilibrium microstructure of 30Cr2Ni4Mo V in low-pressure rotor steel was heated repeatedly at high temperature and quenched for proper time, and the effect of recrystallization degree of 伪 phase on grain refinement was analyzed. The results show that after single high temperature heating at 9101000 鈩，

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