Formation and Morphology of Al_2O_3 Inclusions at the Onset of Liquid Fe Deoxidation by Al Addition
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概要
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The initial stage of deoxidation and the influence of the oxygen level on the inclusion features were examined. Liquid Fe with various dissolved oxygen content (O) was brought into contact with Al in a quartz tube for a short time, i.e. 1, 5, 30 and 60 s. Microscopic investigations of the quenched samples revealed the formation of Al2O3 inclusions in the Fe–Al reaction zone, resulting from the motion of the diffusion front with time. Specific attention is given to inclusion size, location and morphology as a function of interaction time and O content. The latter was found to influence the inclusion characteristics. The inclusion number increased drastically with O content, which is related to the degree of supersaturation of the melt, one of the most important factors influencing the formation of inclusions. The inclusion morphology evolved from angular to spherical with increasing O content.
- 2011-01-15
著者
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Blanpain B
Department Of Metallurgy And Materials Engineering K. U. Leuven
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Blanpain Bart
Department Of Metallurgy And Materials Engineering K. U. Leuven
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Guo Muxing
Department Of Materials Engineering The University Of Tokyo
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Wollants P
Department Of Metallurgy And Materials Engineering K. U. Leuven
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Wollants Patrick
Dept. Of Metallurgy And Materials Engineering Katholieke Universiteit Leuven
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Blanpain Bart
Department Of Metallurgy And Materials Engineering Katholieke Universiteit Leuven
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VAN ENDE
Department of Metallurgy and Materials Engineering, Katholieke Universiteit Leuven
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Guo Muxing
Department Of Metallurgy And Materials Engineering Katholieke Universiteit Leuven
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Van Ende
Department Of Metallurgy And Materials Engineering Katholieke Universiteit Leuven
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Wollants Patrick
Department Of Metallurgy And Materials Engineering Katholieke Universiteit Leuven
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Proost Joris
Unite D'ingenierie Des Materiaux Et Des Procedes Universite Catholique De Louvain
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