Multiple cracks

2 cases · 2 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Application: Boiler Capture method: Optical Microscope clear all

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Micrography presenting the internal tube surface, with parallel cracks growthing from pits.
96
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ML00163 / Jun.2020
Corrosion Fatigue of a Boiler Waterwall Tube
M - Low Carbon SteelP - Seamless tubeAp - BoilerCd - Corrosion Fatigue
Cm - Nital Etched Micrography by OMDf - Multiple cracks
Micrography of the cracking surface, presenting multiple cracks from the edge of the tube, typical of fatigue induced by stresses generated by differential expansion of the pipe in relation to the tubesheet, due to thermal cycles.
71
VIEW
ML00119 / Feb.2018
Thermal Fatigue of a Marine Boiler
M - Low Carbon SteelP - Fabrication WeldAp - ShipCd - Thermal Fatigue
Cm - Nital Etched Micrography by OMDf - Multiple cracks