Method description:
A method involving atomic emission spectroscopy (AES). The sample is energetically excited in a plasma (a mixture of ion atoms and electrons) at a temperature of 10 000°C. Detectors record the emitted energy of the individual elements, from which the instrument determines their concentration.
Interpretation of results:
In the test, particles smaller than 5 μm (particles “dissolved” in oil) are determined. The determined elements are presented in the report as wear metals, additives and impurities.
The level and course of concentration of the individual metallic elements and their correlation with the metallurgy of the lubricated components answers the question of whether wear processes are too intensive in the equipment.
The level of additives indicates the degradation processes of the additives and/or the correctness of the lubricant used. The level of contaminant-defining elements can provide information about leaks and the ingress of contaminants from the environment or side systems.