Results 211 to 220 of about 3,348 (242)
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Contact electrification of polymers by metals
Journal of Electrostatics, 1985Abstract We describe a microcomputer-controlled apparatus for studying the contact electrification of polymers by metals. We report a detailed investigation of two polymers, Nylon and Polytetrafluoroethylene (PTFE) from opposite ends of the triboelectric series.
A.R. Akande, J. Lowell
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Ice‐crystal contact electrification
Quarterly Journal of the Royal Meteorological Society, 1960AbstractAn experimental investigation of electrification accompanying the momentary single contact of vapourgrown ice crystals at the same or at different temperatures suggests than any such effect is much smaller than might be expected from Reynolds's report on charging observed with riming spheres and vapour‐grown ice crystals.
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A new technique in contact electrification
Journal of Physics E: Scientific Instruments, 1979A new type of instrument to study contact-charging phenomena is described. The two functions of any contact-charging apparatus, namely touching two materials together, separating them and then measuring the transferred charge, are performed by a single element, a flexing cantilever, bonded to a piezoelectric strip.
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Contact electrification of solid particles
Proceedings of the Physical Society, 1941Solid particles carry with them electrostatic charges from contact with the storage vessel. The sign of the charge acquired in the air of the laboratory was determined for metal particles which were poured either from a silica bowl or from a glass beaker, and for particles of insulators and semiconductors which parted contact with containers of silica,
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Contact electrification of alkali halides
Journal of Electrostatics, 1993Abstract A recently cleaned metal transfers strong positive charge to the surface of an alkali halide crystal. But a metal which has made several (3–30) previous contacts to the alkali halide transfers a much smaller and usually negative charge.
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Contact electrification of dielectric solids
Journal of Electrostatics, 1978Abstract The main questions of the basic concept dealing with contact electrification of dielectric solids are summarized. Recent results which have a direct bearing on static electrification of polymer solids are reviewed. Differences between equilibrium contact electrification, transient contact electrification, and steady-state contact ...
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Electrification following the contact of solids
Contemporary Physics, 1961Abstract The charge found on solids after they have been rubbed together can only be a direct consequence of friction when the rubbing is vigorous; more usually, the charging is the result of contact, rubbing complicating the phenomenon. Opinions differ regarding the origin of contact charging, but certain experiments suggest a working hypothesis ...
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Smooth polymers charge negatively: Controlling contact electrification polarity in polymers
Nano Energy, 2022Osvalds Verners +2 more
exaly
Contact electrification induced mechanoluminescence
Nano Energy, 2022Wenxiang Wang +5 more
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