测量了超低碳(Ultra-Low Carbon)钢在2％、4％和6％预变形下,运用不同的预变形速率拉伸时其烘烤硬化(BakeHardening)值和内耗,分析了退火态下的应力-应变曲线以及退火态和烘烤态下的内耗-温度谱:烘烤态下Snoek峰高与退火态下相比降低,对于相同的预变形,拉伸速率增加时,Snoek峰高逐渐升高,而SKK峰高逐渐下降,BH值逐渐下降,不同预变形速率屈服点延伸之间规律不明显.
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