Damage

2 cases · 2 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Application: Ship Capture method: Testpiece aspect clear all

Damage — sub-branches

Brittle Fracture 1Cracks 1

Results

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The spring fracture was rusted and did not allow the fractographic analysis. The quasecleavage and intergranular fracture micromechanisms presented in this scanning electron microscopy image were obtained from the Charpy V broken testpiece that presented 15J of absorbed energy at room temperature (21°C).
22
VIEW
ML00172 / Mar.2021
Brittle Fracture of a LAS Valve Spring
M - Low Alloy Medium Carbon QTP - SpringAp - Oil and GasCd - Brittle Fracture
Cm - Testpiece aspectDf - Brittle Fracture
Broken bending testpiece of the 3G position. The presence of cracks at the root caused the lack of material ductility and opening of cracks during bending. The procedure was not qualified.
46
VIEW
ML00118 / Jan.2018
Non qualified GMAW of Aluminum Plates
M - Aluminum Magnesium ManganeseP - Welded Testpiece for QualificationAp - ShipCd - Non qualified
Cm - Testpiece aspectDf - Cracks