Identification of Corrosion Mechanisms of Stainless Steel with Metallography Cross Sections

Hana Geiplova; Marketa Vlachova; Anna Piskova

doi:10.4028/p-5917q2

Paper Titles

Preface

Development of Materials for Solid State Hydrogen Storage
p.3

Slag from Modern Copper Production Found in Bergwerk, Burgenland, Austria
p.11

Identification of Corrosion Mechanisms of Stainless Steel with Metallography Cross Sections
p.19

Influence of Cavitation in Seawater on the Etching Attack of Manganese-Aluminum-Bronzes
p.25

Influence of Surface Machining on Development of Stress Corrosion Cracking of Distribution Wheels of Main Circulation Pump in Nuclear Power Plants
p.31

The Effect of Deposition Temperature on Ba_0.8Sr_0.2TiO₃ Films Prepared by Pulsed Laser Deposition Technique
p.41

Studying the Effect of Annealing Temperature and Thickness on Electrical Properties of PZT Films Prepared by Sol-Gel Technique
p.49

Investigation of Microstructure and Physical Properties of Nickel Ferrites, Synthesized via Sol-Gel Method
p.57

HomeSolid State PhenomenaSolid State Phenomena Vol. 341Identification of Corrosion Mechanisms of...

Identification of Corrosion Mechanisms of Stainless Steel with Metallography Cross Sections

Abstract:

The metallography was used for evaluation of localised form of corrosion of stainless steel tubes of heat exchangers. The heat exchangers were in service for relative short period from few months to 2 years. The service conditions of these heat exchangers were different (temperature, medium, etc.) and caused penetration of tube walls. The metallography cross sections were used to identified the corrosion mechanisms. For all evaluated cases the different mechanisms were found – pitting corrosion, microbiologically induced corrosion, trans-crystalline corrosion cracking, intercrystallite corrosion cracking. Together with diffraction and elementary analysis of corrosion products the metallography evaluation was used for identification of corrosion mechanisms.

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Periodical:

Solid State Phenomena (Volume 341)

Pages:

19-24

DOI:

https://doi.org/10.4028/p-5917q2

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Online since:

March 2023

Authors:

Hana Geiplova*, Marketa Vlachova, Anna Piskova

Keywords:

Chemical Composition, Heat Exchanger, Localised Corrosion Mechanisms, Stainless Steel, Tube Sheet

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* - Corresponding Author

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