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J. Korean Ceram. Soc. > Volume 40(10); 2003 > Article
Journal of the Korean Ceramic Society 2003;40(10): 985.
doi: https://doi.org/10.4191/kcers.2003.40.10.985
열처리 피치를 사용한 탄소성형체의 산화안정화
조광연, 김경자
요업기술원 나노소재응용본부
The Oxi-stabilization of Carbon Precursor Using Heat Treated Pitch
By heat treating coal tar pitch between 450∼500$^{circ}C$, mesophase pitch could be obtained. Subsequently, this pitch was oxi-stabilized between 160∼240$^{circ}C$ in air for the purpose of reducing swelling and distortion. The mechanism of stabilization was analysed using the thermo-gravity and FT-IR. To investigate the effect of oxi-stabilization, the shore hardness and bending stress were measured with carbonized green body which was made from oxi-stabilized coal tar pitch.
Key words: Oxi-stabilization, Swelling, Mesophase pitch, Dimensional stability
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