Mechanical Industry

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Crevice Corrosion in a Subsea System — Aspect Before Analysis

Condition: Damage Capture method: Optical Microscope Detail focus: Close to the Internal Surface clear all

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Micrography of an axial section of the roller bearing, at the internal surface, where the hardness level was about 21 HRc, indicating that in this region the material was not properly quenched and tempered.
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ML00131 / Apr.2018
Brittle Failure of a Soft Roller Bearing
M - Wear Resistant SteelP - Roller BearingAp - Mechanical IndustryCd - Heat Treatment Defect
Cm - Nital Etched Micrography by OMDf - Close to the Internal Surface