Optical Microscope

2 cases · 3 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Product: Welded Joint Condition: Damage Detail focus: Fatigue Crack clear all

Optical Microscope — sub-branches

Kroll Etched Micrography by OM 2Micrography by OM using A262 Method A 1

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Micrographic aspect of the weld metal presenting brittle detached parts in the starting point of the fracture, in the weld metal, and several fatigue cracks propagating from the stress concentration raisers.
24
VIEW
ML00179 / Feb.2022
Hydrides in Titanium Weld
M - Unalloyed TitaniumP - In Field WeldAp - Chemical IndustryCd - Hydride Formation
Cm - Kroll Etched Micrography by OMDf - Fatigue Crack
Micrographic detail of the fatigue cracking at the margin of the flange to shell fillet weld.
485
VIEW
ML00050 / Nov.2017
Fatigue Failure of a 316SS Pressure Stabilizer
M - Austenitic Stainless SteelP - Fabrication WeldAp - Chemical IndustryCd - Mechanical Fatigue
Cm - Micrography by OM using A262 Method ADf - Fatigue Crack

More from these cases

ML00179 — Hydrides in Titanium WeldM - Unalloyed TitaniumP - In Field WeldAp - Chemical IndustryCd - Hydride Formation
Micrographic detail of transgranular propagation of the cracking by fatigue.
35
VIEW
ML00179 / Feb.2022
Hydrides in Titanium Weld
M - Unalloyed TitaniumP - In Field WeldAp - Chemical IndustryCd - Hydride Formation
Cm - Kroll Etched Micrography by OMDf - Fatigue Crack