Damage

2 cases · 3 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Microstructure: Martensite Capture method: Scanning Electron Microscope Detail focus: Sampling and Analysis clear all

Damage — sub-branches

Brittle Behavior 2Corrosion 4Fabrication Defect 4Hydrogen 1Wear 1

Results

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Broken tensile testpiece fractography showing predominantly dimples as the fracture micromechanism, and some integranular aspects. It shows that in this uniaxial and without stress concentration raisers, the material presented a ductile behavior.
30
VIEW
ML00182 / Jul.2022
Brittle Fracture of a LAS Fixing Rod
M - Low Alloy Medium Carbon QTP - StemAp - Mechanical IndustryCd - Brittle Fracture
Cm - Fractography by SEMDf - Broken Testpiece
Aspect of the fractured tooth in a region presenting pitting, opening voids, and cracks.
52
VIEW
ML00181 / Apr.2022
Wear of a Carburized Hypoid Gear
M - Low Alloy for Thermochemical TreatmentP - Pinion-crown assemblyAp - ShipCd - Wear
Cm - Surface Aspect by SEMDf - At the Surface

More from these cases

ML00182 — Brittle Fracture of a LAS Fixing RodM - Low Alloy Medium Carbon QTP - StemAp - Mechanical IndustryCd - Brittle Fracture
Broken Charpy V testpiece fractography showing intergranular fracture micromechanism. It reveals the brittle material behavior when under critical conditions, like the one that was present in the service application (with a triaxial condition in the notch).
26
VIEW
ML00182 / Jul.2022
Brittle Fracture of a LAS Fixing Rod
M - Low Alloy Medium Carbon QTP - StemAp - Mechanical IndustryCd - Brittle Fracture
Cm - Fractography by SEMDf - Broken Testpiece