Abstract
As usage of fine ceramics expands, clarification of storage and processing methods of that are demanded. We used Atomic Force Microscope (AFM) to clarify the contact mechanism of micro-scale ceramic particles. In this study, we measured interaction force between various micro-scale particles and two types of specimens. One specimen is flat type and the other is textured type processed by femtosecond laser. The pull-off distance and adhesive force were measured in room air atmosphere. Adhesive force of textured specimens are less than that of flat type regardless AFM tip curvature. In addition, adhesion test with an alumina particle also shows that textured specimens reduce adhesive force compared to flat specimens. The results indicate that less equivalent radius calculated from particle and textured radii may contribute to less adhesive force.
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