Kalling Etched Micrography by OM

3 cases · 11 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

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Micrography of a transverse section of the ring presenting a uniform tempered martensite structure.
43
VIEW
ML00124 / Feb.2018
MIC of a Martensitic Valve Ring
M - Martensitic Stainless SteelP - ForgingAp - EnergyCd - Brittle Behavior
Cm - Kalling Etched Micrography by OMDf - Martensite
Micrography of a longitudinal section of the pin, presenting a tempered martensitic structure with aligned delta ferrite and carbide phases.
80
VIEW
ML00046 / Jan.2018
Brittle Fracture of SS Shear Pin
M - Martensitic Stainless SteelP - Machined PartAp - EnergyCd - Intergranular Cracking
Cm - Kalling Etched Micrography by OMDf - Martensite, delta ferrite & carbides
Micrographic aspect of the corrosion damage in a section transverse to the pitting.
167
VIEW
ML00054 / Dec.2018
Cutlery Corrosion
M - Martensitic Stainless SteelP - Foodstuff ArticleAp - KitchenCd - Pitting Corrosion
Cm - Kalling Etched Micrography by OMDf - Pitting

More from these cases

ML00124 — MIC of a Martensitic Valve RingM - Martensitic Stainless SteelP - ForgingAp - EnergyCd - Brittle Behavior
Micrography of a transverse section of the ring at the cracking position. The cracks are intergranular and opened at the position close to the surface.
27
VIEW
ML00124 / Feb.2018
MIC of a Martensitic Valve Ring
M - Martensitic Stainless SteelP - ForgingAp - EnergyCd - Brittle Behavior
Cm - Kalling Etched Micrography by OMDf - Martensite
Micrography of a transverse section of the ring at the cracking position. The cracks are intergranular and opened at the position close to the surface. it is possible to identify dissolution of the structure adjacent to the grain boundaries,
25
VIEW
ML00124 / Feb.2018
MIC of a Martensitic Valve Ring
M - Martensitic Stainless SteelP - ForgingAp - EnergyCd - Brittle Behavior
Cm - Kalling Etched Micrography by OMDf - Crack
Micrographic detail of a transverse section of the ring at the cracking position. The cracks are intergranular and opened at the position close to the surface. it is possible to identify dissolution of the structure adjacent to the grain boundaries,
24
VIEW
ML00124 / Feb.2018
MIC of a Martensitic Valve Ring
M - Martensitic Stainless SteelP - ForgingAp - EnergyCd - Brittle Behavior
Cm - Kalling Etched Micrography by OMDf - Intergranular Cracking
Micrograph showing a fine acicular martensitic matrix with a branching crack network, more extensive near the right edge.
25
VIEW
ML00124 / Feb.2018
MIC of a Martensitic Valve Ring
M - Martensitic Stainless SteelP - ForgingAp - EnergyCd - Brittle Behavior
Cm - Kalling Etched Micrography by OMDf - Crack
Micrography of a transverse section of the ring, in the center, where the cracking was closed. The cracks are intergranular and not opened to the surface.
29
VIEW
ML00124 / Feb.2018
MIC of a Martensitic Valve Ring
M - Martensitic Stainless SteelP - ForgingAp - EnergyCd - Brittle Behavior
Cm - Kalling Etched Micrography by OMDf - Crack

+1 more from this case →

ML00046 — Brittle Fracture of SS Shear PinM - Martensitic Stainless SteelP - Machined PartAp - EnergyCd - Intergranular Cracking
Micrographic detail of the pin structure, in the longitudinal section, at the segregated band with aligned inclusions and phases, delta ferrite and carbides.
70
VIEW
ML00046 / Jan.2018
Brittle Fracture of SS Shear Pin
M - Martensitic Stainless SteelP - Machined PartAp - EnergyCd - Intergranular Cracking
Cm - Kalling Etched Micrography by OMDf - Martensite, delta ferrite & carbides
Micrographic detail of the pin structure, in the longitudinal section, presenting a martensitic matriz, aligned inclusions (grey, delta ferrite islands (poligonal white phases) and carbides (also white phases) surrounding the delta ferrite.
64
VIEW
ML00046 / Jan.2018
Brittle Fracture of SS Shear Pin
M - Martensitic Stainless SteelP - Machined PartAp - EnergyCd - Intergranular Cracking
Cm - Kalling Etched Micrography by OMDf - Martensite, delta ferrite & carbides