Static electrification by asymmetric rubbing

Static Electrification of Teflon by Metals

SUMMARY The electrification of a system consisting of a metal and polytetrafluoro-ethylene (Teflon) has been investigated under relative motion. First, the electrification charge received by the insulator was measured when velocity, radius of curvature of the metal electrode and normal force were varied. The measure ments were performed both in atmospheric pressure and later under vacuum, since...

The Basic Mechanisms of Static Electrification.

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Structural Color Painting by Rubbing Particle Powder

Structural colors originate from purely physical structures. Scientists have been inspired to mimic the structures found in nature, the realization of these structures still presents a great challenge. We have recently introduced unidirectional rubbing of a dry particle powder on a rubbery surface as a quick, highly reproducible means to fabricate a single crystal monolayer assembly of particle...

Rural Electrification

Multi Rubbing Tactile Instrument

This is a report of a novel tactile musical instrument. This instrument is called "Multi Rubbing Tactile Instrument (MRTI2015)", using ten pieces of "PAW sensor produced by the RT corporation". Previous research was focused on "untouchable" instruments, but this approach is fully tactile "rub" and "touch". The ten PAW sensors are assigned on the surface of the egg-like plastic case to fit the t...