2011年6月25日使用双辊薄带铸轧机制备磷含量(质量分数)高达0.15％的耐候钢薄带,研究了退火时间对其组织性能的影响.结果表明,退火时间为40 min时,可获得细小的铁素体+珠光体组织.在本文的退火时间内耐候钢薄带的屈强比均小于0.8,加工硬化指数均大于0.2.随着退火时间的延长,其抗拉强度呈缓慢下降趋势,屈服强度先下降后基本保持不变.明确了局部出现细晶组织的原因.
参考文献
| [1] | G.Xu,F.Yin,K.Nagai,Solidification cooling rate and ascast texture of low-carbon steel strips,Mater Sci Eng A,441(1-2),157(2006) |
| [2] | Han S.Kim,Y.Kobayashi,S.Tsukamoto,K.Nagai,Effect of cooling rate on microstructure evolution of rapidly cooled high-impurity steels,Mater Sci Eng A,403(1-2),311(2005) |
| [3] | R.Wechsler,The status of twin-roll casting technology,Scandinavian Journal of Metallurgy,32,58(2003) |
| [4] | ZHAO Hongyang,HU Lin,LI Na,Development of two-high thin strip casting and rolling technology and key point review,Angang Technology,6,1(2007)(赵红阳,胡林,李娜,双辊薄带铸轧技术的进展及热点问题评述,鞍钢技术,6,1(2007)) |
| [5] | LIU Zhenyu, ZHOU Guoping,QIU Yiqing,WANG Guodong,Inversed phosphorus segregation in twin roll cast strips for improvement of mechanical properties and weathering resistance, ISIJ International, 50(4),531(2010) |
| [6] | LI Na,LIU Zhenyu,QIU Yiqing,WANG Guodong,in:International Conference on Advanced Structural Steels,P and Cu segregation behavior in strip cast low C steel,Korea,2006,p.964 |
| [7] | LIU Zhenyu,LIN Zhaosen,QIU Yiqing,LI Na,LIU Xianghua,WANG Guodong,Segregation in twin roll strip cast steels and the effect on mechanical properties,ISIJ,54,254(2007) |
| [8] | ZANG Ershou,WANG Wenxin,P-segregation behavior in heavy-rail carbon steel,Journal of Northeastern University(NaturalScience),12(4),366(1991)(臧尔寿,王文新,碳素重轨钢中磷的偏聚行为,东北大学学报(自然科学版),12(4),366(1991)) |
| [9] | ZHOU Guoping,CHEN Jun,LIU Zhenyu,QIU Yiqing,WANG Guodong,Effect of annealing temperature on mechanical properties of casting strip steel with high phosphorus after cold rolling,Steel Rolling,27(4),25(2010)(周国平,陈俊,刘振宇,邱以清,王国栋,退火温度对铸轧高磷钢冷带力学性能的影响,轧钢,27(4),25(2010)) |
| [10] | QIAO Lifeng,LIU Zhenyu,WANG Guodong,ZHANG Hongmei,Effect of annealing time on the microstructure and properties of Nb-bearing high-strength IF steel with super-fine grains,Journal of University of Science and Technology Beijing,32(8),998(2010)(乔立峰,刘振宇,王国栋,张红梅,退火时间对含铌高强细晶IF钢组织性能的影响,北京科技大学学报,32(8),998(2010)) |
| [11] | K.W.Andrews,Empirical formulae for the calculation of some transformation temperature,Iron Steel Inst,203(6),721(1965) |
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