第3期 兰鹏等：430不锈钢凝固显微组织模拟的3 D CAFE模型 ·321· (a） ( 2129 312s 412s 512s 图8距铸锭底面不同高度截面上的品粒形态.(a)18H:(b)1/4H:(c)3/8H:(d)12H Fig.8 Grains growth in different cross sections at various time:(a)1/8H:(b)1/4H:(c)3/8H;(d)1/2H sheet.Trans Iron Steel Inst Jpn,1983,23(9):731 Chao H C.The mechanism of ridging in ferritic stainless steels. Trans ASM,1967,60(1):37 B]Itoh Y,Okajima T,Maede H,et al.Refining of solidification structures of continuously cast type 430 stainless steel slabs by electromagnetic stirring.Trans /ron Steel Inst Jpn,1982,22(3): 223 4]Takeuchi H,Mori H,Ikehara Y,et al.The effects of electromag- netic stirring on solidification structure of continuously cast SUS430 stainless steel slabs.Trans Iron Steel Inst Jpn,1981,21(2):109 Saito Y,Goldbeck-Wood G,Muller-Krumbhaar H.Numerical simulation of dendritic growth.Phys Rev A,1988,38(4):2148 [6]Juric D.Tryggvason G.A front-racking method for dendritic so- lidification.J Comput Phys,1996,123 (1)127 图9铸锭低倍组织的模拟（左）与实验结果（右） Caginalp G,Fife P.Phase field methods for interfacial bounda- Fig.9 Grain distribution in the ingot by simulation (left)and exper- nies.Phys Rer B,1986,33(11):7792 iment (right) 8] Kobayashi R.Modeling and numerical simulations of dendritic crystal growth.Phys D.1993,63(3/4):410 参考文献 9]Spittle JA.Brown SG.Computer simulation of the effects of alloy [Suzuki K,Asami S,Suzuki K.Formation of ridging related to the variables on the grain structures of castings.Acta Metall,1989. banded segregation pattem of Cr and C on ferritic stainless steel 37(7):1803第 3 期 兰 鹏等: 430 不锈钢凝固显微组织模拟的 3D CAFE 模型 图 8 距铸锭底面不同高度截面上的晶粒形态． ( a) 1 /8H; ( b) 1 /4H; ( c) 3 /8H; ( d) 1 /2H Fig． 8 Grains growth in different cross sections at various time: ( a) 1 /8H; ( b) 1 /4H; ( c) 3 /8H; ( d) 1 /2H 图 9 铸锭低倍组织的模拟( 左) 与实验结果( 右) Fig． 9 Grain distribution in the ingot by simulation ( left) and exper￾iment ( right) 参 考 文 献 ［1］ Suzuki K，Asami S，Suzuki K． Formation of ridging related to the banded segregation pattern of Cr and C on ferritic stainless steel sheet． Trans Iron Steel Inst Jpn，1983，23( 9) : 731 ［2］ Chao H C． The mechanism of ridging in ferritic stainless steels． Trans ASM，1967，60( 1) : 37 ［3］ Itoh Y，Okajima T，Maede H，et al． Ｒefining of solidification structures of continuously cast type 430 stainless steel slabs by electromagnetic stirring． Trans Iron Steel Inst Jpn，1982，22( 3) : 223 ［4］ Takeuchi H，Mori H，Ikehara Y，et al． The effects of electromag￾netic stirring on solidification structure of continuously cast SUS430 stainless steel slabs． Trans Iron Steel Inst Jpn，1981，21( 2) : 109 ［5］ Saito Y，Goldbeck-Wood G，Müller-Krumbhaar H． Numerical simulation of dendritic growth． Phys Ｒev A，1988，38( 4) : 2148 ［6］ Juric D，Tryggvason G． A front-tracking method for dendritic so￾lidification． J Comput Phys，1996，123( 1) : 127 ［7］ Caginalp G，Fife P． Phase field methods for interfacial bounda￾ries． Phys Ｒev B，1986，33( 11) : 7792 ［8］ Kobayashi Ｒ． Modeling and numerical simulations of dendritic crystal growth． Phys D，1993，63( 3 /4) : 410 ［9］ Spittle J A，Brown S G． Computer simulation of the effects of alloy variables on the grain structures of castings． Acta Metall，1989， 37( 7) : 1803 · 123 ·