Figure 4
From: Preparation and research of new black zirconia ceramics

SEM images of cross-sections under different coloring ratios (x = 1, 4, 7, 10 wt.%).
From: Preparation and research of new black zirconia ceramics

SEM images of cross-sections under different coloring ratios (x = 1, 4, 7, 10 wt.%).