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409L不锈钢冶炼过程夹杂物特征及成因.pdf
46 6 Vol.46, No.6
2 0 1 1 6 Iron and Steel June 2011
409L
1 1 1 2 2 2
付邦豪 , 侯海滨, 成国光 , 潘吉祥, 李 岩, 潘 伟
(1., 100083; 2., 735100)
:409L AOD-LF-CC ,
, 。:AODCaO-SiO -Al O - gO;LF
2 2 3
gO-Al O -TiO ; gO-Al O -TiO TiN。
2 3 x 2 3 x
:409L;;;
:A :0449-749X(2011)06-0040-05
Characteristics andOrigin of Inclusions in 409L
Stainless Steel During AOD-LF-CCProcess
1 1 1
FU Bang-hao , HOU Hai-bin , CHENG Guo-guang ,
2 2 2
PAN Ji-xiang , LI Yan , PAN Wei
(1.School of etallurgical and Ecological Engineering, University of Science and Technology Beijing,
Beijing 100083, China; 2.Jiuquan Iron and Steel Co., Jiayuguan 735100, Gansu, China)
Abstract:The inclusions in the steel samples taken at different stages of AOD-LF-CC process during 409L stainless
steelmaking and casting were observed by a scanning electron microscopewith an EDS X-ray analyzer.The types of
inclusions from different stages of the process were analyzed and identified.The inclusions in AOD were mainly
CaO-SiO -Al O - gO compounds, while in LF, it was detected mainly gO-Al O -TiO inclusions.Both gO-
2 2 3 2 3 x
Al O -TiO and TiN inclusions were foundin tundish.Theorigin of the inclusions formed at different stages was al-
2 3 x
so discussed.
Key words:409L stainless steel;inclusion;characteristic;origin
409L 。 。
, 、 ,
, 。。
。, Ti 409L
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