Non-vibrating Capacitance Probe For Wear Monitoring

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Date
11/2/1999Author
Danyluk, Steven
Zharin, Anatoly
Zanoria, Elmer
Reid, Lennox
Hamall, Kenneth M.
Metadata
Show full item recordAbstract
A non-vibrating capacitance probe for use as a non-contact sensor for tribological wear on a component. The device detects surface charge through temporal variation in the work function of a material. A reference electrode senses changing contact potential difference over the component surface, owing to compositional variation on the surface. Temporal variation in the contact potential difference induces a current through an electrical connection. This current is amplified and converted to a voltage signal by an electronic circuit with an operational amplifier.
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- Georgia Tech Patents [1761]