Table 2: The data of the EDX spectra of the YSZ-Ni cermet specimen after aging in Ar-5 vol% Н2 gas atmosphere with an admixture of 7 vol% H2S.

Chemical element and X-ray series Spectrum 1 (Ni-phase) Spectrum 2 (Zr-phase) Spectrum 3 (boundary) Specimen surface layer Specimen core
wt% at% wt% at% wt% at% wt% at% wt% at%
O K 25.62 55.82 28.06 68.39 24.09 60.63 19.20 51.04 14.41 42.71
S K - - - - - - 0.14 0.18 0.12 0.18
Ni K 74.38 44.18 3.25 2.15 23.67 16.24 43.08 31.21 43.88 35.43
Y L - - 8.29 3.64 5.75 2.61 3.92 1.88 4.50 2.40
Zr L - - 60.40 25.82 46.49 20.52 33.66 15.69 37.09 19.28