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Monitoring the Coating of Powder Particles by the measurement of the low frequency impedance of the powders
Author(s) -
Hawkins E.,
Harnby Norman
Publication year - 1991
Publication title -
particle and particle systems characterization
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.877
H-Index - 56
eISSN - 1521-4117
pISSN - 0934-0866
DOI - 10.1002/ppsc.19910080128
Subject(s) - electrical impedance , materials science , coating , sensitivity (control systems) , capacitor , low frequency , line (geometry) , focused impedance measurement , acoustics , composite material , electronic engineering , electrical engineering , voltage , computer science , engineering , telecommunications , physics , geometry , mathematics
Experiments with a purpose built cylindrical capacitor are used to determine the sensitivity of low frequency impedance measurements to changes in the coatings of four different industrial powders. It is demonstrated that the technique should be suitable for off‐line quality control.