Vol.28 No.8 鲁海涛等：冷连轧机带钢单锥度辊边降控制 777。 制能力研究.钢铁研究。2002,126(3)：16 【刀CampusJJ,Terreaux S.Roches L V D.etdl.New online 【2】曹建国。张杰。陈先霖。等.宽带钢冷连轧机选型配置.北 gage for edge drop measurement and effect of tapered work 京科技大学学报。2003.25(S3):109 mls.ron Steel Er吗1995(12)：27 【习曹建国。张杰。陈先霖。等.宽带钢热连轧机选型配置与板 【网浜田龙次镰田俊二，江藤学，等。冷延ペ了夕口又压延机 形控制.钢铁。2005.40(6)：38 实机特性一入了夕口又压延机仁上马冷延钢板)工ッ之 [4 Hiruta T.AkagiI Mizushima N.Development of advanced ド口yプ低减技术开发.塑性之加工，1997,38(6)：571 transverse thickness pmofie control of thin hard sted strips at [9 Chen X L Zou J X.A specialized finite dlement model for ir tandem cold rolling mil.Kawasaki Steel Giho.1996.28(2): vestigating controlling factors affecting behavior of rols and 103 strip flatness //Proceedings of 4th International Steel Rolling [5】王军生，赵启林矫志杰，等.T一WRS&C冷轧机工作原理 Conference.Deauvilk,1987:E4.I 与应用.重型机械2001(6)：8 [10 Seiinger A.May thofer A.Kainz A.SmartCrown-A new 【6池文茂。高巍。吴滨，等.冷轧带钢轧制中的新技术一边降 system for improved profile flatnes control in strip mill. 控制.矿冶。2003,12(2)：91 Steel Times Int 2002.26(11):11 Edge drop control of a taper roll during continuous cold rolling LU Haitao.CAO Jianguo).ZHANG Jie.ZENG Jinsong?,ZENG We.QIN Shengguo 1)Mechanical Engineering Schook University of Science and Technology Beijing.Beijing 100083.China 2)Wuhan I mn and Steel (Stock)Co.Ltd.Wuhan 430080.Chim ABSTRACT The construction,characteristic and shift strategy of a taper work roll were investigated for the problem of edge drop control during continuous cold rolling.A finite element model w as built to analyze the strip shape control capability of the taper work roll,common crown work roll and SmartC rown work roll contrastively,and the application of this new strip shape control technology to real production was dis- cussed based on the debugging tests on a large production mill.The results show that the use of a taper roll can reduce the edge drop and total crown of strip steel efficiently. KEY WORDS strip:cold rolling;roll contour;strip shape control;edge drop control(EDC Effect of high magnetic field on the crystallization of Nd2Fei4B/a Fe nanocom- posite magnets WANG Zhanyong2.XU Hui,NI Jiansen,LI Qiang,ZHOU Bangxin 1)Institute of Materials Science Shanghai University,Shanghai 200072.China 2)Department of Materials Engineering Shanghai Institute of Techrology,Shanghai 200235,China 3)Center of Test and Measurement,Shanghai Uriversity.Shanghai 200436.China ABSTRACT Nds 1Dyo.9Fe76.9sCos s5Bs 5 nanocomposite magnets annealed with and without a 10 T mag- netic field were investigated in this article.The ribbons with coexisting amorphous and crystalline phases were selected to do this study.The results of Mossbauer spect roscopy revealed that the content of aFe in- creased when annealed in high strength magnetic field.The size of the grains also increased considerably af- ter the applicat ion of magnetic annealing.All these led to the decrease of the magnetic properties,especially the coercivity of the ribbons. KEY WORDS magnetic materials;nanocomposite magnet;crystallization;magnetic field;melt spinning 【摘自Rare Metals,2006,25(4):337制能力研究.钢铁研究, 2002 , 126(3):16 [ 2] 曹建国, 张杰, 陈先霖, 等.宽带钢冷连轧机选型配置.北 京科技大学学报, 2003 , 25(S3):109 [ 3] 曹建国, 张杰, 陈先霖, 等.宽带钢热连轧机选型配置与板 形控制.钢铁, 2005 , 40(6):38 [ 4] Hiruta T , Akagi I , Mizushima N.Development of advanced transverse thickness profile control of thin hard steel strips at tandem cold rolling mill.Kawasaki Steel Giho , 1996 , 28(2): 103 [ 5] 王军生, 赵启林, 矫志杰, 等.T-WRS &C 冷轧机工作原理 与应用.重型机械, 2001(6):8 [ 6] 池文茂, 高巍, 吴滨, 等.冷轧带钢轧制中的新技术—边降 控制.矿冶, 2003 , 12(2):91 [ 7] Cam pas J J, Terreaux S , Roches L V D, et al.New on-line gage for edge drop measurement and effect of t apered w ork rolls.Iron Steel Eng, 1995(12):27 [ 8] 浜田龙次, 镰田俊二, 江藤学, 等.冷延ペアクロス压延机 の实机特性— ペアクロス压延机による冷延钢板のエッジ ドロツプ低减技术の开发.塑性と加工, 1997 , 38(6):571 [ 9] Chen X L, Zou J X.A specialized finite element model f or in￾vestigating controlling factors affecting behavior of rolls and strip flatness ∥Proceedings of 4th Int ernational S teel Rolling Conference .Deauville , 1987:E4.1 [ 10] Seilinger A , May rhofer A, Kainz A .SmartCrow n—A new system f or improved profile & flatness control in strip mill. Steel Times Int, 2002 , 26(11):11 Edge drop control of a taper roll during continuous cold rolling LU Haitao 1) , CAO Jianguo 1), ZHANG J ie 1) , ZENG Jinsong 2) , ZENG Wei 2) , QIN Shengguo 2) 1)Mechanical Engineering S chool, University of Sci ence and Technology Beijing , Beijing 100083 , China 2)Wuhan I ron and St eel(St ock)Co .Ltd , Wuhan 430080 , C hina ABSTRACT The construction , characteristic and shift strategy of a taper wo rk roll w ere investigated for the problem of edge drop co ntrol during continuous cold rolling .A finite element model w as built to analyze the strip shape control capability of the taper w ork roll , common crow n w ork roll and SmartC row n wo rk roll contrastively , and the application of this new strip shape control technology to real production w as dis￾cussed based o n the debugging tests on a large production mill .The results show that the use of a taper roll can reduce the edge drop and to tal crow n of strip steel efficiently . KEY WORDS strip ;cold rolling ;roll contour;strip shape control;edge drop control(EDC) Effect of high magnetic field on the crystallization of Nd2Fe14B/α-Fe nanocom￾posite magnets WANG Zhanyong 1 , 2), X U Hui 1), NI Jiansen 1), LI Qiang 3), ZHOU Bangxin 1) 1)Institut e of Materials Science, Shanghai University , Shanghai 200072 , C hina 2)Department of Mat erials Engineering , Shanghai Institut e of Tech nology , Shanghai 200235 , China 3)Cent er of Test and Measurement , Shanghai Uni versit y , Shanghai 200436 , China ABSTRACT Nd8.1Dy0.9Fe76.95Co8.55B5.5 nanocomposite magnets annealed with and without a 10 T mag￾netic field were investigated in this article.The ribbons with coexisting amo rphous and crystalline phases w ere selected to do this study .The results of Mössbauer spectroscopy revealed that the content of α-Fe in￾creased w hen annealed in high strength magnetic field .The size of the grains also increased considerably af￾ter the application of mag netic annealing .All these led to the decrease of the magnetic properties, especially the coercivity of the ribbons. KEY WORDS magnetic materials ;nanocomposite magnet ;crystallization ;magnetic field ;melt spinning [ 摘自 Rare Metals, 2006 , 25(4):337] Vol.28 No.8 鲁海涛等:冷连轧机带钢单锥度辊边降控制 · 777 ·