ASTM

1 case · 3 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Application: Subsea Capture method: Scanning Electron Microscope Detail focus: Intergranular Fracture clear all

ASTM — sub-branches

A 8B 5F 1

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The fractographic aspect of the broken bolt shows intergranular micromechanism, typical of a hydrogen embrittlement condition for this aged martensitic material.
88
VIEW
ML00139 / Jun.2018
Hydrogen Fracture of a 17-4 PH Allen Bolt
M - Precipitation Hardened Stainless SteelP - Allen BoltAp - SubseaCd - Hydrogen Embrittlement
Cm - Fractography by SEMDf - Intergranular Fracture

More from these cases

ML00139 — Hydrogen Fracture of a 17-4 PH Allen BoltM - Precipitation Hardened Stainless SteelP - Allen BoltAp - SubseaCd - Hydrogen Embrittlement
Fractographic aspect by scanning electron microscopy, close to the surface the broken bolt, presenting intergranular fracture micromechanism.
79
VIEW
ML00139 / Jun.2018
Hydrogen Fracture of a 17-4 PH Allen Bolt
M - Precipitation Hardened Stainless SteelP - Allen BoltAp - SubseaCd - Hydrogen Embrittlement
Cm - Fractography by SEMDf - Intergranular Fracture
Microscopic detail of the intergranular fracture close to the bolt surface.
71
VIEW
ML00139 / Jun.2018
Hydrogen Fracture of a 17-4 PH Allen Bolt
M - Precipitation Hardened Stainless SteelP - Allen BoltAp - SubseaCd - Hydrogen Embrittlement
Cm - Fractography by SEMDf - Intergranular Fracture