Optical Microscope

1 case · 3 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Condition: Damage Standard: API Detail focus: Internal Surface clear all

Optical Microscope — sub-branches

As polished micrography 2Nital Etched Micrography by OM 1

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Micrographic detail of the strain hardening effect, probably generated by blasting before applying the coating. The microstructure is tempered martensite and the surface it is slightly decarburized.
23
VIEW
ML00169 / Nov.2020
Drill Pipe Fracture in the Pipe Body
M - Low Alloy Medium Carbon QTP - Drill PipeAp - O&G Well DrillingCd - Corrosion Fatigue
Cm - Nital Etched Micrography by OMDf - Internal Surface

More from these cases

ML00169 — Drill Pipe Fracture in the Pipe BodyM - Low Alloy Medium Carbon QTP - Drill PipeAp - O&G Well DrillingCd - Corrosion Fatigue
Drill Pipe Fracture in the Pipe Body
2
VIEW
ML00169 / Nov.2020
Drill Pipe Fracture in the Pipe Body
M - Low Alloy Medium Carbon QTP - Drill PipeAp - O&G Well DrillingCd - Corrosion Fatigue
Cm - As polished micrographyDf - Internal Surface
Drill Pipe Fracture in the Pipe Body
3
VIEW
ML00169 / Nov.2020
Drill Pipe Fracture in the Pipe Body
M - Low Alloy Medium Carbon QTP - Drill PipeAp - O&G Well DrillingCd - Corrosion Fatigue
Cm - As polished micrographyDf - Internal Surface