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6 J) w! D y# B' n! \% Z 常用的球化处理方法
; G! Y! O8 X- y3 r' q王成铎,孙雅心,李 蒙,郭振廷/ f O# v9 N' [$ X3 Q
(郑州大学材料工程学院,河南郑州450002)1 e0 s, n( ^, Y
摘要:介绍国内外球墨铸铁生产中常用的几种球化处理方法,包括:压力加镁法、冲入法、转包法、包芯线喂丝法、盖包法等。2 L! w* m [+ x) j0 G% L) v6 f
对各种方法的优缺点进行了比较。) O5 c5 E; n# Y5 n2 ?
关键词:球墨铸铁;球化处理;球化剂
2 p2 l2 @! n2 g0 [, }1 ?3 q' j, B中图分类号:TG255 文献标识码:B( d7 I$ w3 T1 K4 w( I# j& Y
An Review of Com mon Nodulizing Treatment Processes9 k( V, v: T; r" I; g
W ANG Cheng-duo,SUN Ya—xin,LI MENG,GUO Zheng—ting U! I @; D" j+ c) y! u
(College of Materials Engineering,Zhengzhou University,Zhengzhou 450002,China)3 y \6 t2 r7 u& ]2 D+ M
Abstract: Several nodulizing treatment processes commonly used in nodular iron production was intro—
% X) G* j' m) J0 {) A. lduecd including:plunging magnesium under pressure,sandwich (pour over)processes,rotary ladle pro—% Q! {' B" x' M: v+ K! J% Q+ r: k
cesses,cored—wire feeding processes,tundish ladle processes and SO on.Advantages and shortages of every
7 g6 Q7 Q; }6 Q) J& i% O6 Sprocess were compared.( m0 s4 h+ R2 A7 W% z! N
Key words:nodular iron;nodulizing treatment;nodulizing alloys |
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