Journal
REVIEW OF SCIENTIFIC INSTRUMENTS
Volume 80, Issue 1, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3072665
Keywords
aluminium; lubricating oils; microchannel flow; wear
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We present the design, fabrication, and testing of a microfluidic device for metal wear detection in lubrication oils. The detection is based on the capacitance Coulter counting principle, that is, on the change in a microchannel's capacitance caused by the presence of a metal particle in the microchannel. The testing of the microfluidic device using 10-25 mu m aluminum particles has demonstrated the feasibility for detection and counting of microscale metal particles in low-conductive lubrication oils. This microfluidic device is promising for online oil debris detection by the use of multiple detection microfluidic channels.
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