Precipitation Hardened

1 case · 5 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Application: Ship Capture method: Aspect Before Analysis clear all

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Aspect of the broken spring. The wire is 1 1/2" diameter and the ourter diameter of the spirals is 12 1/2", in a 20" height spring. It was broken in several pieces.
866
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 - General View

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ML00137 — Brittle Fracture of a 15-5 PH Valve SpringM - Precipitation Hardened Stainless SteelP - SpringAp - Oil and GasCd - Brittle Behavior
Aspect of the fracture of the spring. Close to the surface the fracture presents the aspect of rusted spots.
132
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 - 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
Corroded spots (shallow pits) at the spring surface.
84
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 - At the Surface
Aspect of the fracture surface showing a strong difference between the fracture initiation and fracture propagation. This fracture was sectioned and the micrographies are presented showing the diferences in the fracture morphology.
40
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 - Fracture