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Analytical Ferrography

Isolates wear debris and solid particulates for examination under a microscope.

Operating Principle

A portion of the sample is passed over a slide on top of a magnetic plate to attract ferrous particles. The prepared slide is then placed under a microscope for examination. The particles are then classified into different size ranges and shapes. As a result of this classification, determination of an abnormal wear mode can be made.

Significance

This test provides a snapshot into the machine to determine the type and size of the ferrous wear that is coming from a particular piece of equipment. This will allow for a more accurate plan of attack to correct a possible problem or to judge machine health.

Applications

Any machine containing significant amounts of ferrous wear debris.