·514 北京科技大学学报 2000年第6期 参考文献 (3+4):157 1 Mills KC,Keene B J.Physical Properties BOS Slags.Intern 6 SherenA,CrambA W.Interfacial Tensions ofFe-NiAlloys Materials Reveiws,1987,32(1+2):1 and Stainless Steels in Contact with CaO-AlO,-SiO,Bas- ed Slags at 1 550C.Metall&Mater Trans,1995,26B(1):87 2中岛敬治.多元系硅酸盐融体”表面张力”推算.铁 上钢，1994,80(8)：599 7张鉴，袁伟霞.CaO-Al,O,-SiO,熔渣的作用浓度计算 3原茂太.Ca0-Al,O,-SiO2系融体)密度：表面张力. 模型.北京科技大学学报，1995,17(5)：418 铁钢，1989,75(.3)：439 8王平轴承钢脱氧工艺与理论的研究：博士学位论文] 4 Askari M.Cameron A M.Surface Tensions of Some Cao 北京：北京科技大学，1991 MgO-Al,O,-SiO2 Slags.Canadian Metallurgical Quar- 9向井楠宏，石川友美.悬滴法仁k为Ca0-SiO2,Ca0- terly,,1991,30(4):207 A1,0,Ca0-Al,0,-SiO2系溶融X子””表面张力②测 5 CrambA W,Jimbo I.Calculation of the Interfacial Proper- 定.日本金属学会志，1981,452：147 ties of Liquid Steel-slag System.Steel Reseach,1989,60 Calculating Models on the Surface Tension of CaO-Al2O,-SiO2 Slags LI Jinxi,ZHANG Jian Metallurgy School,UST Beijing,Beijing 100083,China ABSTRACT According to the coexistence theory of slag structure as well as the measured surface tension of CaO-Al,O,-SiO at different temperatures and slag compositions,a calculating model of surface tension for the slag melts has been formulated.Calculated results agree with measured values,showing that the relation- ship between the surface tension and the mass action concentrations as well as temperatures of slag melts is correct. KEY WORDS coexistence theory;surface tension;calculating model 架架架架架保架架架深架架架架架醉程架架架架架架架架架架职架职架部醉架架架胶警腔醉 Mechanism of Oscillation Mark Formation in Continuous Casting of Steel BO Kaitao,CHENG Guoguang,WU Jie,ZHAO Pei,WANG Jun Metallurgy School,University of Science and Technology,Beijing,Beijing 100083,China Abstract:A new mechanism of oscillation mark formation has been suggested based on the deep investigation of meniscus behavior in continuous casting of steel.It's confirmed that the meniscus form is important to os- cillation mark formation.The factors related to the formation of oscillation mark are discussed in detail.The longer the solid shell existed at the root of meniscus and the smaller the contact angle between meniscus and mold wall,the deeper the oscillation mark. Key words:continuous casting;oscillation mark;meniscus [Journal of University of Science and Technology Beijing (English Edition),1999,7(3),189]一 514 . 北 京 科 技 大 学 学 报 2 0 0 年 第` 期 参 考 文 献 l 肠11 5 鱿 , K e en 5 J . P h y s i c 目 R帅喇 e s B o s 51哪 . I n t e m M at e ir al s 称 v e iw s , 19 87 , 32( l + 2 ) : l 2 中 岛敬 治 . 多元 系硅 酸盐 融 体 。 表 面 张力 。 推算 . 铁 己 钢 , 19 94 , 8 0( 8) : 5 99 3 原茂太 . Ca o 卜 A 1 2 O 犷5 102 系融 体。 密度 七 表 面 张力 . 铁 己 钢 , 19 89 , 7 5( . 3 ) : 4 3 9 4 A s k州 M . C aJ 的e r o n A M . S u ir 臼e e 介 n s i o n s o f s o 们。e C a o 卜 M go 一A h O Jse S 10 : sl ag s . C an a di an M e at llur g i c al uQ ar - t e r ly, 19 9 1 , 3 0 (4 ) : 2 0 7 5 C r aJ 刀b A W, J1m ob I . C ia e ul at i on o f ht e 1 n te ir兔e ial 乃 or P e -r it e s o f L i qu id Set e l 一 s lag Sy s t e m . 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C a o 卜A 1 2 O -3 is O Z熔渣 的作用浓度计算 模型 . 北京 科技 大学学 报 , 1 995 , 17 ( 5) : 4 18 8 王平 . 轴承钢 脱氧工 艺与理论 的研 究:[ 博士学位 论文」 . 北 京 : 北 京科 技大 学 , 19 91 9 向井楠 宏 , 石 川友美 . 悬 滴法 忆 去 为 C a o 陌Si q , C a o 卜 1A 2 0 3, C a o 一 A 1 2O a-S iq 系溶融 久 , 犷 。 表面 张力 。 测 定 . 日本金 属学 会志 , 19 81 , 45 (2 ) : 147 C ia e u l at ign M o de l s o n ht e S ur af e e eT n s i o n o f C a O , A1 2 0 厂 5 10 : Sl a g s IL iJ xn i, Z月只 N G 涌沁 n M e alt l训 gy S e h o o l , U S T B e ij in g , B e ij in g l 0() 0 8 3 , C 创恤a A B S T R A C T A e e o r d i n g ot ht e e o e x ist cen e ht e o yr o f 5 1昭 s tr u c 认ir e as w e ll as ht e m e a s uj er d sur af e e t e n s ion o f C a o 卜A 1 2 0 厂5 10 : at id fe r e n t t e m P e r a h 犷e s an d s lag c o m Po s it ion s , a c al cul at in g m o de l o f s ur fa c e t e n s ion for 山e sl ag me lst ha s be en fo mr u 1 aet d . C al cu 1 aet d er s u lt s 拜gr e e w iht m e a s ur e d v a lu e s , s h o w ign ht at ht e er liat on - s h iP b e 幻刃 e en het s ur fa c e t en s i on an d ht e m as s ac it on e ocn e n tr at lon s as we ll as t e m ep ar trU e s o f s l a g m e lst 1 5 C O灯e ct . K E Y W O R D S e o e x i set cn e ht e o yr ; sur fa e e t e n s lon ; e a l cul at in g mo de l M e e h an i s m o f o s e ill at ion M a r k F o n n at i o n i n C o n t l n u o u s C a s t i n g o f S t e e l B O K d iat o , C 习E N G G u 牙U iJ 斌 Z 阮4口尸` i, 环月 N G uJ n M e因】试罗 Sc b o L nU l v e sr iyt o f s ic cen 。 的 d eT e hn o l o g y, B e ij in 吕 B iej in g l o 0 83 , C h in a A b s t r a c t : A n e 、 v me e 址in l sm o f o s e ill iat on m 田火扔仙iat on h a s b e e n su g e st e d b a s e d on ht e de 即 访v e ist g iat on o f m ien s cu s b e h a v lor in c o in 劝uL o u s e a st in g o f set e l . tI’ s c on if n n e d ht at ht e m eul s e us fo mr i s lm po anrt t ot 0 5 - e ill a t i o n m a kr fo r ln at i o n . Th e fa e t o r s er lat e d ot ht e fo mr a t 1 0 n o f o s e i l1at i o n m a kr a r e d i s e u s s e d in d e at il . Th e l o n g e r het s o lid s h e ll e x i s et d at ht e or ot o f m ien s e us an d ht e s m al 1er het e o n at c t an g l e b e wt e en m en i s e u s an d m o ld w a ll , ht e d e eP er ht e o s e ill iat on m ar k . K ey w o dr s : e o in 让uL ou s e a st l n g ; o s e ill iat on m a r k ; me in s cus o[J u rn al of nU vlesr 仰 of sc ien e e a n d eT c h n o l句妙 eB ij i n g (nE gl is h 石id t i o n ) , 1 9 9 9 , 7 ( 3 ) , 1 8 9 ]