Sampling and Analysis

2 cases · 5 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Condition: Sound Microstructure: Ferritic Capture method: Optical Microscope clear all

Sampling and Analysis — sub-branches

Longitudinal Section 3Transverse Section 2

Results

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Micrography of the fork handle in the transverse section, curved, presenting differences between grain size and morphology. In the middle section there are elongated grains and close to the surfaces there are smaller and more equiaxed grains.
82
VIEW
ML00151 / Dec.2018
Ferritic Stainless Steel of a Flatware Fork
M - Ferritic Stainless SteelP - Foodstuff ArticleAp - KitchenCd - Typical manufacturing
Cm - Micro by OM, HCl + Ethanol + Picric AcidDf - Transverse Section
Equiaxial grains of a ferritic structure, in a longitudinal section of the tube.
97
VIEW
ML00026 / Feb.2017
Autogenous Seam Welded Tube in Ferritic SS
M - Ferritic Stainless SteelP - Fabrication WeldAp - AutomotiveCd - Typical manufacturing
Cm - Kalling Etched Micrography by OMDf - Longitudinal Section

More from these cases

ML00151 — Ferritic Stainless Steel of a Flatware ForkM - Ferritic Stainless SteelP - Foodstuff ArticleAp - KitchenCd - Typical manufacturing
Micrography of a longitudinal section of the fork, at the scoop to handle position (scoop to the right of the figure and handle to the left). The full thickness is presented in the image and it is possible to see that in the handle location the ferritic grains are larger in the center of the thickness than close to the surfaces, and in the scoop position the grains tend to be more uniform through the thickness.
50
VIEW
ML00151 / Dec.2018
Ferritic Stainless Steel of a Flatware Fork
M - Ferritic Stainless SteelP - Foodstuff ArticleAp - KitchenCd - Typical manufacturing
Cm - Micro by OM, HCl + Ethanol + Picric AcidDf - Longitudinal Section
Micrography of a fork longitudinal section, at the handle (close to the transition betwee the scoop and handle). The full thickness is presented in the image and it is possible to see that the ferritic grains are larger in the center of the thickness than close to the surfaces.
49
VIEW
ML00151 / Dec.2018
Ferritic Stainless Steel of a Flatware Fork
M - Ferritic Stainless SteelP - Foodstuff ArticleAp - KitchenCd - Typical manufacturing
Cm - Micro by OM, HCl + Ethanol + Picric AcidDf - Longitudinal Section
ML00026 — Autogenous Seam Welded Tube in Ferritic SSM - Ferritic Stainless SteelP - Fabrication WeldAp - AutomotiveCd - Typical manufacturing
Equiaxial grains of a ferritic structure, in a transverse section of the tube.
40
VIEW
ML00026 / Feb.2017
Autogenous Seam Welded Tube in Ferritic SS
M - Ferritic Stainless SteelP - Fabrication WeldAp - AutomotiveCd - Typical manufacturing
Cm - Kalling Etched Micrography by OMDf - Transverse Section