G10550

1 case · 14 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Capture method: Optical Microscope clear all

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SPUR RACK ferritic perlitic microstructure in the center of the tooth.
89
VIEW
ML00027 / Apr.2017
Adhesive Wear of Spur Gear Rack
M - Medium Carbon SteelP - Spur GearAp - Mechanical IndustryCd - Adhesive Wear
Cm - Nital Etched Micrography by OMDf - Ferrite and Pearlite

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ML00027 — Adhesive Wear of Spur Gear RackM - Medium Carbon SteelP - Spur GearAp - Mechanical IndustryCd - Adhesive Wear
SPUR RACK ferritic perlitic microstructure in the center of the tooth.
77
VIEW
ML00027 / Apr.2017
Adhesive Wear of Spur Gear Rack
M - Medium Carbon SteelP - Spur GearAp - Mechanical IndustryCd - Adhesive Wear
Cm - Nital Etched Micrography by OMDf - Ferrite and Pearlite
SPUR RACK ferritic perlitic microstructure in the center of the tooth.
67
VIEW
ML00027 / Apr.2017
Adhesive Wear of Spur Gear Rack
M - Medium Carbon SteelP - Spur GearAp - Mechanical IndustryCd - Adhesive Wear
Cm - Nital Etched Micrography by OMDf - Ferrite and Pearlite
SPUR RACK ferritic perlitic microstructure in the surface of the tooth, evidencing no surface hardening treatment.
53
VIEW
ML00027 / Apr.2017
Adhesive Wear of Spur Gear Rack
M - Medium Carbon SteelP - Spur GearAp - Mechanical IndustryCd - Adhesive Wear
Cm - Nital Etched Micrography by OMDf - Non Hardened Surface
The non hardened surface of the SPUR RACK tooth presents a strong plastic deformation at the metal to metal contact region.
51
VIEW
ML00027 / Apr.2017
Adhesive Wear of Spur Gear Rack
M - Medium Carbon SteelP - Spur GearAp - Mechanical IndustryCd - Adhesive Wear
Cm - Nital Etched Micrography by OMDf - Plastic Deformation
The non hardened surface of the SPUR RACK tooth presents a strong plastic deformation at the metal to metal contact region. There are also evidences of heat transformation due to the heat generated in the sliding.
49
VIEW
ML00027 / Apr.2017
Adhesive Wear of Spur Gear Rack
M - Medium Carbon SteelP - Spur GearAp - Mechanical IndustryCd - Adhesive Wear
Cm - Nital Etched Micrography by OMDf - Plastic Deformation

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