Aspect Before Analysis

2 cases · 5 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Application: Ship Microstructure: Martensite Detail focus: Sampling and Analysis clear all

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Pinion of hypoid gearbox, assembled in a 1560-mm long shaft that operated during more than 60,000 hours, and removed from service due to unacceptable wear damage.
1028
VIEW
ML00181 / Apr.2022
Wear of a Carburized Hypoid Gear
M - Low Alloy for Thermochemical TreatmentP - Pinion-crown assemblyAp - ShipCd - Wear
Cm - Aspect Before AnalysisDf - General View
Aspect of the broken spring. The wire is 36 mm diameter and the ourter diameter of the spirals is 320 mm. It was broken in different locations.
434
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 - General View

More from these cases

ML00181 — Wear of a Carburized Hypoid GearM - Low Alloy for Thermochemical TreatmentP - Pinion-crown assemblyAp - ShipCd - Wear
Detail of the 13 teeth hypoid gear, presenting a large longitudinal crack in the middle of one teeth.
105
VIEW
ML00181 / Apr.2022
Wear of a Carburized Hypoid Gear
M - Low Alloy for Thermochemical TreatmentP - Pinion-crown assemblyAp - ShipCd - Wear
Cm - Aspect Before AnalysisDf - General View
Wear of a Carburized Hypoid Gear
1
VIEW
ML00181 / Apr.2022
Wear of a Carburized Hypoid Gear
M - Low Alloy for Thermochemical TreatmentP - Pinion-crown assemblyAp - ShipCd - Wear
Cm - Aspect Before AnalysisDf - General View
ML00172 — Brittle Fracture of a LAS Valve SpringM - Low Alloy Medium Carbon QTP - SpringAp - Oil and GasCd - Brittle Fracture
Rusted aspect of the spring surface.
26
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 - General View