These are surface profiles of ceramic flooring. The ceramic tile (ADJF250803, ASTM) was a reference tile that was used in the reference standard ASTM F2508-12a. There are 30 profiles generated from image analysis and measured by SEM. 10 profiles are from 250X magnification, 10 profiles are from 5000X magnification, and 10 profiles are from 100kX magnification. There are also 6 profiles measured by stylus profilometry.
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