Energy Spectrum Analysis of Coal Mill Gear

Electron spectroscopy is a common method for analyzing surface components of materials.The root surface near the fracture source and the fracture at the fracture source were analyzed by energy spectrum analyzer.The position of the sample energy spectrum analysis is shown in the figure.

The results of energy spectrum analysis in two places show that there are no obvious differences in composition content and element type between the root surface and the fracture surface, and no obvious non-metallic inclusions. It indicates that the gear surface has not undergone chemical heat treatment, which is inconsistent with the surface carburizing treatment described in the specification of this type of coal grinder.

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