발간논문

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Vol.29, No.12, 1276 ~ 1282, 1991
Title
Oxidation and Carburization of Ni - and Fe - base Alloys at High Temperatures (1)
김길무 Gil Moo Kim
Abstract
The alloys Ni-30Cr, Fe-18Cr-6Al-1Hf and Ni-20Si were studied in oxidizing(air) and carburizing(CH₄/H₂) atmospheres at 950℃ to characterize their behavior. The carburization of Fe-18Cr-6A1-1Hf and Ni-20Si at 950℃ was negligible, due to rapid formation of oxide scales because the dissociation pressures of Al₂O₃ and SiO₂ scales are very low. The carburization of Vi-30Cr at 950℃ did not produce a continuous carbide layer, but discrete, globular carbides(Cr_7C₃) on the surface along with internal carbides(Cr₂3C_6)
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