Over the years, there have been several anecdotal references to otherwise unexplained changes in the properties of surfaces exposed to ultrasonic energy in a liquid. In some cases, it would make sense that the change was due to increased cleanliness. In others, however, the benefit of cleanliness alone would seem questionable. One incident in particular …
Watts per gallon as a measure of ultrasonic cleaning tank capability is under growing scrutiny. In a series of blogs over the next several weeks, I hope to explore the origin of watts per gallon and the changes and ambiguities which have brought its continued use as a measure of ultrasonic capability into question. Also, if …
In the process of parts cleaning, capillary flow can be our friend or our enemy – sometimes both at the same time. So let’s take a minute or two to understand this interesting phenomenon. Capillary flow is a property that is exhibited when liquids spontaneously penetrate narrow passageways. The classic example of a capillary (narrow passageway) …
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