“fracture”

2 cases · 2 images for “fracture”

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Condition: Damage Capture method: Micrography by OM using A262 Method A clear all

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Micrographic detail of a longitudinal section of the wire, at the fracture surface (top of the figure) evidencing the intergranular and transgranular aspects of the hydrogen assisted cracking mechanism. The electrolytic oxalic acid etch reveals the delta ferrite phase. Compare with the Kalling etch in the other figure.
31
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ML00076 / Jun.2017
Hydrogen Cracking of a 17-7 PH Subsea Spring
M - Precipitation Hardened Stainless SteelP - WireAp - SubseaCd - Hydrogen Embrittlement
Cm - Micrography by OM using A262 Method ADf - Fracture
Micrography transverse to the weld and to the fracture surface (right side of the figure).
116
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ML00006 / Apr.2017
Vibration Induced Fatigue in 304SS
M - Austenitic Stainless SteelP - Longitudinal Seam Welded PipeAp - PipingCd - Vibration Induced Fatigue
Cm - Micrography by OM using A262 Method ADf - Fracture