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1 j# d+ Q8 Z8 ]7 Q$ z9 Q' C 常用的球化处理方法; @1 m4 r' L1 d$ K; _" v7 ?: ]. B
王成铎,孙雅心,李 蒙,郭振廷
8 S1 W9 I4 Y2 U$ M- d6 U3 t4 b(郑州大学材料工程学院,河南郑州450002)
0 O8 i6 j, |6 H4 B# M% v" f: M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。
8 g3 C" J! N8 Z% K; I0 J6 ^4 Q对各种方法的优缺点进行了比较。
: a y8 V0 X! o" F, M* i关键词:球墨铸铁;球化处理;球化剂; O7 P- V, k, Q) p
中图分类号:TG255 文献标识码:B
: {# s* \6 n! J: o1 FAn Review of Com mon Nodulizing Treatment Processes
3 R$ e: h" {7 _- f5 R# j2 @W ANG Cheng-duo,SUN Ya—xin,LI MENG,GUO Zheng—ting
" ~4 J, B- M: N$ r7 W+ z(College of Materials Engineering,Zhengzhou University,Zhengzhou 450002,China)8 n# h7 w/ }0 Y. x+ K7 O x
Abstract: Several nodulizing treatment processes commonly used in nodular iron production was intro—
& o! P! r/ J- _& n; R" Y* ?" ^. [- Dduecd including:plunging magnesium under pressure,sandwich (pour over)processes,rotary ladle pro—- V1 m) O: ]% m: N; J$ \- F: g
cesses,cored—wire feeding processes,tundish ladle processes and SO on.Advantages and shortages of every
* e1 l4 r+ V# |7 m$ @* T1 ^, v3 nprocess were compared.
( Y/ J3 F. W5 l& g4 eKey words:nodular iron;nodulizing treatment;nodulizing alloys |
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