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IF钢SEM原位加热再结晶过程的研究

A Study on Recrystallization of IF Steel in Situ Heating by SEM
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摘要 用膨胀仪测定加热速度为 2 0 0℃ h形变量ε =1.2的IF钢的再结晶温度为 65 0℃ ,但扫描电镜(SEM)对该IF钢 (ε =1.2 )原位加热的试验结果表明 ,因表面效应 ,在 65 0℃未观察到再结晶晶粒 ,在 65 0℃到680℃之间产生非均匀形核 。 The recrystallization temperature of IF steel with deformation ε= 1.2 is 650 ℃ by dilatometric testing with heating rate 200 ℃/h, but the results of in situ heating SEM study on IF steel (ε= 1.2) showed that due to surface effect no recrystallized grains were observed at 650℃,but with non-homogeneous nucleation produced the quick recrystallizing course at part grains were observed at more than 650 ℃ to 680 ℃.
作者 叶卫平
出处 《特殊钢》 北大核心 2001年第4期13-15,共3页 Special Steel
关键词 原位加热 再结晶 IF钢 无间隙原子钢 In Situ Heating, Recrystallization, IF Steel
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