Exposure of high-temperature alloys in carbonaceous gas atmospheres
Description:
Light and scanning electron microscopy were used to evaluate changes resulting from exposure of eight commercial high temperature alloys in carbonaceous atmospheres. Samples were exposed in CO, CH$sub 4$, or CO/CH$sub 4$ mixtures up to 900$sup 0$C and 6.2 MPa. All alloys were actively attacked. Surface finish and preoxidation influenced the extent of corrosion. Reduction of NiO, giving a high surface concentration of Ni, promoted catalytic decomposition of CH$sub 4$. Further work is indicated b…
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Date:
September 1, 1975
Creator:
Goldberg, A. & Perkins, A.J.
Item Type:
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Partner:
UNT Libraries Government Documents Department