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J. Korean Ceram. Soc. > Volume 31(7); 1994 > Article
Journal of the Korean Ceramic Society 1994;31(7): 767.
Fe-Scale과의 반응에 의한 $Cr_3C_2$계 복합체의 산화손상
한동빈, 홍기곤1, 박병학
산업과학기술연구소 신소재연구본부
1POSCO 기술연구소
Oxidation of $Cr_3C_2$ Composites with Fe-Scale
ABSTRACT
In a salb-preheating furnace of steel-making industry, the oxidation/degradation behavior of Cr3C2 ceramic composited dkid button reaction with scale in Fe-oxide system occurs and was thermodynamically examined. The reaction of scale with Cr3C2 skid button produces Cr3C2(s) and C(s), and Co gas is then evolved from the reaction of C(s) with Fe-scale. Cr3C2(s) from oxidation of Cr3C2(s) reacted with Fe-oxide(s) becomes high-melting chromite. The chromite acts as protection layer against further oxidation and improves resistance of the reaction of Cr3C2 skid button with Fe-scale.
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