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http://dx.doi.org/10.5695/JKISE.2018.51.2.104

High-temperature Oxidation of Fe-2%Ni Alloys  

Lee, Dong Bok (School of Advanced Materials Science and Engineering, Sungkyunkwan University)
Jung, Jae Ok (R&D Center, PIM Korea)
Park, Soon Yong (R&D Center, PIM Korea)
Cho, Gyu Chul (R&D Center, PIM Korea)
Xiao, Xiao (School of Advanced Materials Science and Engineering, Sungkyunkwan University)
Kim, Min Jung (School of Advanced Materials Science and Engineering, Sungkyunkwan University)
Publication Information
Journal of the Korean institute of surface engineering / v.51, no.2, 2018 , pp. 104-109 More about this Journal
Abstract
Fe-2 wt.%Ni alloys were fabricated by metal powder injection molding, and their oxidation behavior at $600-700^{\circ}C$ for 30 h in air was studied in order to find the effect of the small addition of Ni in the iron matrix on the high-temperature oxidation. Oxide scales that formed after oxidation consisted primarily of $Fe_2O_3$, where microscopic voids were scattered. Nickel was segregated initially at the scale/matrix interface, and later at the lower part of the $Fe_2O_3$ scale. At $600^{\circ}C$, Fe-2wt.%Ni alloys oxidized parabolically initially, and linearly after 15 h. At $650-700^{\circ}C$, they oxidized linearly from the initial period. Although Fe-2wt.%Ni alloys oxidized slower than pure iron, their oxidation rates were relatively fast.
Keywords
Fe-2%Ni steel; Metal powder injection molding; Oxidation;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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