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中文摘要：
利用Gleeble-1500D热模拟机对304不锈钢进行了两道次热压缩试验,通过分析应力应变曲线及观察变形后微观组织研究了变形速率0.1s-1时,不同道次间保温时间、道次变形量、变形温度对静态再结晶的影响规律。结果表明,变形温度的提高、道次间保温时间的延长及变形量的增大会促使静态再结晶的发生,加快静态再结晶的速度。结果能为实际生产304不锈钢锻件的质量预报提供依据。
英文摘要：
Hot compression test with two passes for 304 stainless steel was carried out by using Gleeble-1500D thermal simulation machine. Through analyzing the stress-strain curve and observing the microstructure after deformation, the effects of different interpass holding time, deformation in pass and deformation temperature on static recrystallization were investigated at the strain rate of 0.1s^-1. The results show that the enhancement of the deformation temperature, interpass holding time prolonging and the increase of deformation will cause the static recrystallization occuring, and accelerate the speed of static recrystallization. The results can provide the basis for the quality forecast of 304 stainless steel forgings during the actual production.
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