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试验用EA1N钢（/%：0.35C,0.30Si,0.90Mn,0.013P,0.008S,0.15Cr,0.10Ni,0.10Cu,0.04V,0.04Al）的冶金流程为60 t EBT EAF-LF-VD-下铸8.4 t方锭-车成150 mm×150 mn方坯。采用Gleeble-3800型热模拟机试验研究了EA1N钢在800~1 300℃、应变速率0.01~10 s~（-1）时的热压缩变形,分析该钢变形时的流变应力、应变速率及变形温度之间的关系,得出流变应力方程。结果表明,EA1N钢在热压