Aspect Before Analysis

3 cases · 5 images for “fracture”

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Microstructure: Austenite clear all

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Macroscopic aspect of the 1" shaft fracture surface, revealing beach marks at the surface typical of fatigue, initiated from the surface of the spline shaft at the gear position.

498

ML00041 / Jun.2017

Fatigue Fracture of Inconel 718 Spline Shaft

M - NiCrFe AlloyP - ShaftAp - Oil and GasCd - Vibration Induced Fatigue

Cm - Aspect Before AnalysisDf - Fatigue Fracture

The small wedge sample is 4 mm deep in the thickness and the circumferential weld are is about 15 mm width where it appears in the internal side of the carcass. The image shows the crack surface (fracture) where the weld aspect is evident.

32

ML00174 / Jul.2021

Carburization of a 347 SS Welded Joint

M - Austenitic Stainless SteelP - Fabrication WeldAp - EnergyCd - Carburization

Cm - Aspect Before AnalysisDf - Fracture

Aspect of a broken 5/16" bolt that was operating inside the pressure vessel in a condition that exceeds the limits of use of the AISI 316 steel. The fracture is located close to the position where there was the bolt head and the threads were "removed" close to the fracture surface.

75

ML00157 / Feb.2020

Bolts Under Chloride SCC Conditions

M - Austenitic Stainless SteelP - BoltAp - Oil and GasCd - Stress Corrosion

Cm - Aspect Before AnalysisDf - Fracture

More from these cases

ML00041 — Fatigue Fracture of Inconel 718 Spline ShaftM - NiCrFe AlloyP - ShaftAp - Oil and GasCd - Vibration Induced Fatigue

117

ML00041 / Jun.2017

Fatigue Fracture of Inconel 718 Spline Shaft

M - NiCrFe AlloyP - ShaftAp - Oil and GasCd - Vibration Induced Fatigue

Cm - Aspect Before AnalysisDf - At the Surface

120

ML00041 / Jun.2017

Fatigue Fracture of Inconel 718 Spline Shaft

M - NiCrFe AlloyP - ShaftAp - Oil and GasCd - Vibration Induced Fatigue

Cm - Aspect Before AnalysisDf - Fatigue Fracture