非平衡组织多次重复高温加热淬火细化晶粒研究
Heat Treatment of Metals（2017）
Abstract
将低压转子钢30Cr2Ni4MoV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℃×2h细化效果较好,晶粒度达8级;三次重复高温加热910℃×2h,促进了α相发生完全再结晶,实现晶粒均匀化.
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