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Silicon Carbide from Transformer Oil Under the Microscope

Silicon Carbide

This particle is from an oil sample collected from a 8400kVA transformer. This transformer was reportedly gas blanketed and sealed. The bright particle in the center of this image is silicon carbide. Silicon carbide is a man-made abrasive. Its presence in this oil sample indicates residual construction debris or debris from refurbishing surfaces in the transformer.

Transmitted Oblique Off Crossed Circular Polarized Light


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