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《Journal of Iron and Steel Research》 2010-01
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Reduced Rolling Process of High Strength Ultra-Heavy Plate

LI Jing1,ZHAO De-wen1,LIU Xiang-hua1,HE Yuan-chun2,SUI He-long3(1.State Key Laboratory of Rolling and Automation,Northeastern University,Shenyang 110004,Liaoning,China;2.Qinhuangdao Shouqin Metal Materials Co.,Qinhuangdao 066003,Hebei,China;3.Shougang ResearchInstitute of Technology,Beijing 100041,China)  
The industrial trials of 80-85mm gauge heavy plate steel were conducted by using TMCP(thermal-mechanical control process) and RCR+ACC(recrystallization control rolling+accelerated cooling) processes with non-microalloyed Q345D continuous cast slabs,and the effect of both rolling processes on microstructure and mechanical property was studied.The results indicate that both processes can realize the good match between microstructure and mechanical property.Comparing with the TMCP process,RCR+ACC process rolled plate has good property homogeneity in thickness direction,also the good microstructure uniformity in 1/4 thickness layer and the middle layer;and this plate is rolled in austenite high temperature area,the resistance of deformation is reduced,which is in favor of decreasing the load of mill or implementing low speed heavy reduction rolling,moreover,leaving out the waiting time for temperature in TMCP process,and decreasing the rolling pass,so the heavy plate steel rolling process is simplified.
【Fund】: 国家自然科学基金资助项目(50634030);; 国家科技支撑计划项目(2006BAE03A08)
【CateGory Index】: TG335.5
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【Citations】
Chinese Journal Full-text Database 1 Hits
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【Co-citations】
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【Secondary Citations】
Chinese Journal Full-text Database 1 Hits
1 FENG Guanghong YANG Gang YANG Dejiang XIANG Deyuan (Central Iron and Steel Research Institute) REN Qinghai LI Yan (Jiuquan Iron and Steel Group Co.);EFFECT OF CONTROLLED ROLLING AND ACCELERATED COOLING ON MECHANICAL PROPERTIES OF VANADIUM BEARING MICROALLOYED STEEL[J];IRON AND STEEL;1999-10
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