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| Study on Interaction Between Cerium and Tin in Steel |
| ZHANG Jinzhu,CHEN Xu,ZHAO Yueping |
| College of Material Science and Metallurgy Engineering, Guizhou University, Guiyang 550003, Guizhou,China |
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Abstract The interaction between the cerium and tin in steel was studied by vacuum induction melting, Xray diffraction, optical microscopy, electronic probe microscopy analysis, and microhardness tester. The result shows that Ce3Sn7 phase formed in the grain boundaries of steel at high contents of both cerium and tin. Furthermore, the Ce3Sn7 phase can transform into FeCe3Sn6 phase by annealing at austenite temperature. The hardness of FeCe3Sn6 phase is higher than that of the matrix in the annealed state, and FeCe3Sn6 is stable in dryer, but corroded in purified water and acid aqueous solution.
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Received: 01 January 1900
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2008, Vol. 43 
