细晶高强IF钢退火时间研究Effect of annealing time on microstructure of a fine grain IF steel
陈越,张红梅,孙成钱,王洪斌,马多,郭雅楠,贾宏斌
摘要(Abstract):
选择新型细晶高强IF钢为研究对象,在实验室进行了热轧、冷轧及罩式退火实验。利用光学显微镜、透射电镜复型和电子背散射衍射(EBSD)技术,研究了不同退火时间对细晶高强IF钢显微组织、析出相及织构的影响。结果表明,选择合适的退火时间,晶粒变得细小、均匀。细晶高强IF钢在退火过程中析出大量的Nb C、Nb(CN)相;随退火时间延长,钢中析出相粒子偏聚长大。为了获得较强的有利织构及优异的冲压性能,实验钢退火时间应选定在5 min。
关键词(KeyWords): 细晶高强IF钢;退火时间;析出相;织构
基金项目(Foundation): 国家自然科学基金(51474127)
作者(Author): 陈越,张红梅,孙成钱,王洪斌,马多,郭雅楠,贾宏斌
DOI: 10.13289/j.issn.1009-6264.2015.04.024
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