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For determining the size distribution and type of wear particles as part of an oil analysis program
The basis of modern oil analysis is the use of optical emission spectroscopy (OES) to measure the ppm (parts per million) levels of wear metals, contaminants and additives in oil samples.Analytical techniques performed on oil samples can be classified in two categories:
Listed below are some of the different types of candidate assets for oil analysis:
A. Mechanical Assets
Conditions & Condition Grades
Listed below are the condition grades for this technology.
Listed below are some of the key attributes of ferrography that should be taken into consideration when integrating this into the overall asset management program:
A comprehensive monitoring program usually includes ferrography (oil analysis).
Fig. Ferrography as one of the predictive maintenance (PdM) technologies along the P-F Curve in relation to Potential Failure (P) and Functional Failure (F).
Fig. Comparing the Maintenance-Repair-Renewal (MRR) trade-offs at different organizations.
Fig. Alignment of the four different types of maintenance strategies across the asset portfolio on decisions that are risk-based and consider the whole-life of assets will result in a maintenance mix that is in conformity with ISO 55001 standards.
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