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800 MPa级CSiMnNb与CSiMnCr系冷轧双相钢组织与性能

Meiling LIU,Hongbo PAN

Journal of Anhui University of Technology(Natural Science)（2013）

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Abstract
在实验室采用CCT-AY-Ⅱ连续退火模拟器研究不同退火温度条件下800 MPa级CSiMnCr与CSiMnNb系冷轧双相钢的力学性能,并对其显微组织进行分析.结果表明:在同一成分试验钢中,770℃退火较790℃退火时所获得的强度高;钢中添加少量的Nb细化了铁素体与岛状马氏体组织,并且岛状马氏体更纯净,屈强比低,加工硬化指数n值更高.
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