Fig. 3

Surface microstructure of YD-5 glazes (a) Silver oil-spot region (OM) (b) Magnified view of oil-spot patterns (SEM-SE) (c) EDS Spectrum 1 (d) EDS Spectrum 2.
Surface microstructure of YD-5 glazes (a) Silver oil-spot region (OM) (b) Magnified view of oil-spot patterns (SEM-SE) (c) EDS Spectrum 1 (d) EDS Spectrum 2.