。444 北京科技大学学报 第31卷 弥散，抑制能力增强，二次再结晶完全，磁性改善. [6 Hong BD.Han K S Kwan J et al.Effect of hot band annealing on magnetic properties in 3%Si grain oriented electrical steels. 4结论 S1elRe1n,200s,76(6):448 (1)“固有抑制剂法”低温板坯加热技术生产的 [7 Kumano T.Ohata Y.Fuji N.ct al.Effect of nitiding on grain oriented silcon steel bearing alumimum (the second study). 取向电工钢热轧板中析出相以含Cu和Mn的复合 Magn Magn Mater,2006.304:e602 硫化物为主，尺寸在20~130m. [8 Wriedt H A.Hu H.Solubility product of manganese sulfide in (2)加热温度由1230℃提高到1290℃热轧 3Pct silcon-iron at 1270 to 1670K.Met Trans A.1976.7A: 板中析出相更加细小均匀，析出相中M含量减少 711 [9Shimazu T.Chikuma K,Sakai T.et al.The precipitation behav- 而Cu含量增多，同时AlN析出相也增多 ior of dissolved Cu2S.Tetsu-to-Hagane.1984 70:$567 (3)当析出相细小、均匀时，抑制初次再结晶晶 [10 Cheng L.M.Bnuice Haw bolt E B Meadow croft T R.Modeling 粒长大的能力强，二次再结晶完善，成品磁性改善. of dissolution grow th and coarsening of aluminum nitrice in low-carbong steels.Metall Mater Trans A.2000.31 1907 参考文献 [11]Liu Z.Kobayashi Y.Nagai K.Crystallography and precipitation [1]Mishra S Kumar V.Coprecipitation of copper-manganese sul kinetics of copper sulfide in strip casting low carbon steel.IS phide in Fe-3%Si steel.Mater Sci Eng B.1995.32:177 1n1,200444(9):1560 [2]Oh J H.Cho S H.Jonas JJ.AIN precipitation in duahphase 3% [12]Garbarz B.Marcisz J Wojt as J.TEM analy sis of fine sulphides Si elect rical steek.ISI/Int,2001.41(5):484 dissolution and precipitation in steel.Mater Chem Phys.2003. [3]Kumano T,Haratani T.Fuji N.Effect of nitriding on grain ori- 81:486 ented silicon steel bearing aluminum.IS/Int,2005,45(1):95 [13]Darken LS,Smith R P.Filer E W.Solubility of gaseous nitro [4]Konow AA.Mogutnow B M.Effec of catbon on precipitation of gen in gamma imn and the effect of alloying constituentsal- MnS inhibitor in grain-oriented 3%silcon-steel.ISI/Int,1999. minum nitride precipitation.Trans A/ME.1951,191:1174 39(1):64 14 Saw amura H.Mor T.Themodynamic investigation of non [5]Nakashima S T akashima K.Harase J.Effect of silicon content metallic inclusions in steel (I )Tetsu-to-Hagane,1955,41; on econdary recrystallizat ion in grain-oriented electrical steel po- 1082 duced by single-stage cold rolling pmces.IS//Int,1991,31 15 Homma H.Hutchinson B.Orientation dependence of secondary (9):1007 reerystallization in silicomiron.Acta Mater,2003 51:3795弥散 ,抑制能力增强 ,二次再结晶完全, 磁性改善. 4 结论 (1)“固有抑制剂法”低温板坯加热技术生产的 取向电工钢热轧板中析出相以含 Cu 和 Mn 的复合 硫化物为主,尺寸在 20 ～ 130 nm . (2)加热温度由 1 230 ℃提高到 1 290 ℃, 热轧 板中析出相更加细小均匀 ,析出相中 Mn 含量减少 而Cu 含量增多,同时 AlN 析出相也增多. (3)当析出相细小 、均匀时, 抑制初次再结晶晶 粒长大的能力强 ,二次再结晶完善 ,成品磁性改善 . 参 考 文 献 [ 1] Mish ra S , Kumar V .Co-p recipitation of copper-manganese sul￾phide in Fe-3%Si steel.Mater S ci Eng B , 1995 , 32:177 [ 2] Oh J H , Cho S H , Jonas J J.AlN precipit ation in dual-phase 3% Si electrical st eels.ISIJ Int , 2001 , 41(5):484 [ 3] Kumano T , Haratani T , Fujii N .Eff ect of nitriding on grain ori￾en ted silicon st eel bearing aluminum .IS IJ Int , 2005 , 45(1):95 [ 4] Konov A A , Mogutnov B M .Effect of carbon on precipit ation of MnS inhibit or in grain-oriented 3%silicon-steel.ISIJ Int , 1999 , 39(1):64 [ 5] Nakashima S , T akashima K , Harase J.Eff ect of silicon conten t on secondary recryst allization in grain-orien ted electrical steel pro￾duced by single-stage cold rolling process.ISIJ In t , 1991 , 31 (9):1007 [ 6] Hong B D , Han K S , Kw an J, et al.Effect of hot band annealing on magnetic properties in 3%Si grain oriented electri cal steels. S teel Res Int , 2005 , 76(6):448 [ 7] Kumano T , Ohata Y, Fujii N , et al.Eff ect of nitiding on grain oriented sili con st eel bearing aluminum (the second study).J Magn Magn Ma ter , 2006 , 304:e602 [ 8] Wriedt H A , Hu H .S olubility product of manganese sulfide in 3Pct sili con-iron at 1 270 t o 1 670K .Met Trans A , 1976 , 7A : 711 [ 9] Shimazu T , Chikuma K , Sakai T , et al.The precipitation behav￾ior of dissolved Cu2S.Tetsu-to-Hagane .1984 , 70:S 567 [ 10] Cheng L M , Bruce Haw bolt E B, Meadow croft T R.Modeling of dissolution , grow th , and coarsening of aluminum nitride in low-carbong steels.Metall Mater Trans A , 2000 , 31:1907 [ 11] Liu Z , Kobayashi Y, Nagai K .Crystallography and p recipitation kinetics of copper sulfide in strip casting low carbon steel.IS IJ In t , 2004 , 44(9):1560 [ 12] Garbarz B , Marcisz J, Wojt as J.TEM analysis of fine sulphides dissolution and p recipitation in steel.Mater Chem Phys, 2003 , 81:486 [ 13] Darken L S , Smith R P , Filer E W.S olubility of gaseous nitro￾gen in gamma iron and the effect of alloying constituents-alu￾minum nitride precipit ation.Trans AIME , 1951 , 191:1174 [ 14] Saw amura H , Mori T .Thermodynamic investigation of non￾met allic inclusions in steel (Ⅰ ).Tetsu-to-Hagane , 1955 , 41: 1082 [ 15] Homma H , Hut chinson B .Orient ation dependence of secondary recrystallization in silicon-iron.Acta Mat er , 2003 , 51:3795 · 444 · 北 京 科 技 大 学 学 报 第 31 卷