铁素体区轧制工艺在半连续轧机上的应用研究
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摘要
对比了铁素体区轧制工艺和常规轧制工艺产品力学性能、微观组织和表面质量。分析了生产中粗轧温度、终轧温度、卷取温度、退火温度及轧制润滑控制等对产品组织性能的影响。提出了铁素体区轧制工艺的控制要点,退火后产品可获得更有利的{111}织构,进而获得更优异的屈强比和塑性应变比。
The differences of the mechanical properties,microstructure and surface quality of products rolled by ferrite zone rolling technology and normal austenite rolling technology were discussed.The effect of the temperatures of roughing rolling,finishing rolling,coiling and annealing temperature on the mechanical properties and microstructure of products were analyzed as well as the rolling lubrication technology.The control key points of ferrite zone rolling technology were put forward,and more favorable{111}crystal texture could be formed.Thus,the better yield ratio and plastic strain ratio could be obtained.
The differences of the mechanical properties,microstructure and surface quality of products rolled by ferrite zone rolling technology and normal austenite rolling technology were discussed.The effect of the temperatures of roughing rolling,finishing rolling,coiling and annealing temperature on the mechanical properties and microstructure of products were analyzed as well as the rolling lubrication technology.The control key points of ferrite zone rolling technology were put forward,and more favorable{111}crystal texture could be formed.Thus,the better yield ratio and plastic strain ratio could be obtained.
引文
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[2]王建功,王晓东,周旬,等.铁素体轧制工艺热轧板显微组织研究与分析[J].中国冶金,2018,28(3):54.
[3]王建功,夏银锋,周旬,等.铁素体轧制工艺对Ti-IF钢酸洗效果的影响[J].中国冶金,2017,27(7):54.
[4]蔡珍,韩斌,刘洋,等.铁素体区轧制工艺应用现状及发展策略分析[J].轧钢,2013,30(6):41.
[5]吕家瞬,乔磊,李锋,等.IF钢铁素体区轧制对带钢最终性能的影响[J].轧钢,2016,33(1):10.
[6]Ray R K,Jonas J J,Hook R E.Cold rolling and annealing textures in low carbon and extra low carbon steels[J].International Materials Reviews,1994,39(4):129.
[7]Nave M D,Barnett M R.Texture change near grain boundaries and triple points in cold-rolled interstitial-free steel[J].Materials Science&Engineering A,2004,386(1/2):244.
[8]袁泽喜,代礼斌,贾涓,等.IF钢生产过程中的织构演变[J].武汉科技大学学报,2011,34(6):405.
[9]Jeong W C.Effect of hot-rolling temperature on microstructure and texture of an ultra-low carbon Ti-interstitial-free steel[J].Materials Letters,2008,62:91.
[10]Ray R K,Jonas J J.Cold rolling and annealing textures in low carbon and extra low carbon steels[J].International Materials Reviews 1994,39(4):129.
[11]陈爱华,李化龙,李腾飞.连续退火温度对IF钢力学性能及织构的影响[J].金属热处理,2016,41(6):37.
[12]王绍东,李自刚.冷轧压下量对铁素体区热轧Ti-IF钢冷轧板的再结晶织构特点和深冲性能的影响[J].金属学报,2000,36(6):613.
[13]许令峰,潘洪波,贾明霞.摩擦对IF钢铁素体区轧制热轧和退火织构的影响[J].钢铁,2012,47(4):51.