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2 cases · 3 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Product: Spring Detail focus: Brittle Fracture clear all

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Aspect of the flat fracture surfaces, brittle. The spring surface is corroded and presents pits.
31
VIEW
ML00172 / Mar.2021
Brittle Fracture of a LAS Valve Spring
M - Low Alloy Medium Carbon QTP - SpringAp - Oil and GasCd - Brittle Fracture
Cm - Aspect Before AnalysisDf - Brittle Fracture
The spring ruptured in several positions. This is the aspect of one of the fractures of the spring. In the initiation of the fracture (top side of the figure) the fracture presents a different morphology.
101
VIEW
ML00137 / Mar.2021
Brittle Fracture of a 15-5 PH Valve Spring
M - Precipitation Hardened Stainless SteelP - SpringAp - Oil and GasCd - Brittle Behavior
Cm - Aspect Before AnalysisDf - Brittle Fracture

More from these cases

ML00172 — Brittle Fracture of a LAS Valve SpringM - Low Alloy Medium Carbon QTP - SpringAp - Oil and GasCd - Brittle Fracture
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