Evolution of Al-Ti Oxide Inclusion during Isothermal Heating of Fe-Al-Ti Alloy at 1573 K (1300 °C)
作者： Minggang Li , Hiroyuki Matsuura , Fumitaka Tsukihashi
DOI: 10.1007/S11663-017-0968-Y
关键词: Isothermal process 、 Homogeneous 、 Metallurgy 、 Concentration gradient 、 Oxide 、 Ti oxides 、 Alloy 、 Materials science 、 Thermodynamics 、 Diffusion 、 Inclusion (mineral)
摘要: Evolution of Al-Ti oxide inclusion during 3 hour isothermal heating Fe-Al-Ti alloy at 1573 K (1300 °C) was studied. Homogeneous spherical with nonstoichiometric composition observed in two as-cast alloys. After heating, most the homogeneous inclusions changed to heterogeneous ones Al-rich and Ti-rich parts, while remaining oxides were rare both The concentration gradient Al O inside inclusion. size distribution extended more broadly, shape from irregular. mechanism variation proposed as diffusion surface precipitate alumina heating.
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