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| Effects of Rare Earth Element Ce-La on Grain Size and Inclusion Modification of SS400 Steel |
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Received:March 14, 2012
Revised:March 15, 2012
Accepted:March 16, 2012
Published Online:September 19, 2012
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| DOI：10.3969/j.issn.1007-7545.2012.10.012 |
| KeyWord:SS400 steel; Ce-La alloy; grain size; modification of inclusion |
| Author | Institution |
| Yangjicun |
内蒙古科技大学材料与冶金学院 内蒙古包头 |
| nieyali |
内蒙古科技大学材料与冶金学院 内蒙古包头 |
| zuolijie |
内蒙古科技大学材料与冶金学院 内蒙古包头 |
| zhaobingxin |
内蒙古科技大学材料与冶金学院 内蒙古包头 |
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| Abstract: |
| The experimental study of adding rare earth Ce-La alloy in SS400 steel was conducted. The grain size, composition and microstructure of inclusion were observed and analyzed in steel with optical microscope and scanning electron microscope (SEM). The results show that grain size of steel enhances 1~2 levels after adding the rare earth; the silicate inclusion is approximate ellipse with 0.05% addition of rare earth Ce-La, furthermore, the sulfide and silicate inclusion are circular shape when the addition of rare earth Ce-La reaches 0.09%. |
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