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논문 기본 정보

자료유형
학술저널
저자정보
Basit Ali (Korea Institute of Industrial Technology) Sang-Hoon Choi (Korea Institute of Industrial Technology) So-Yeon Kim (Korea Institute of Industrial Technology) Jae-Jin Sim (Korea Institute of Industrial Technology) Sang-Hyun Lee (Korea Institute of Industrial Technology) 서석준 (한국생산기술연구원) Taek-Soo Kim (Korea Institute of Industrial Technology) Dae-Guen Kim (Korea Institute of Industrial Technology) Kyoung-Mook Lim (Korea Institute of Industrial Technology) Tae-Hyuk Lee (University of Sheffield) Kyoung-Tae Park (Korea Institute of Industrial Technology)
저널정보
대한금속·재료학회 Metals and Materials International Metals and Materials International Vol.22 No.6
발행연도
2016.1
수록면
1,073 - 1,082 (10page)

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초록· 키워드

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In this study, Fe-based powder of composition Fe-3 wt% Cr-0.5 wt% Mo was prepared using a water atomizationprocess. After atomization, the total oxide content of the powder was calculated as ca. 2.09 wt%. Gasreduction of the as-atomized powder using CO, CH4, and H2 gases was carried out in a horizontal vacuum tubetypefurnace at 900 °C. Thermodynamic and kinetic calculations for the reduction reactions were carriedout using FactSage and HSC Chemistry programs. The results showed that the reduction proceeded in twostages: from Fe3O4 to FeO, and finally to Fe. Each reducing gas was evaluated and compared based on theoxide reduction capability. The lowest oxygen content was achieved for CH4 (0.49 wt%). However, with CH4,cementite (Fe3C) was also detected due to cracking of CH4.

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