Home Korrosion rostfreier Stähle in chloridhaltigem und karbonatisiertem Beton / Corrosion Behaviour of Stainless Steels in Chloride Contaminated and Carbonated Concrete
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Korrosion rostfreier Stähle in chloridhaltigem und karbonatisiertem Beton / Corrosion Behaviour of Stainless Steels in Chloride Contaminated and Carbonated Concrete

  • L. Bertolini , M. Gastaldi , Τ. Pastore and M.P. Pedeferri
Published/Copyright: December 3, 2014
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Restoration of Buildings and Monuments
From the journal Restoration of Buildings and Monuments Volume 6 Issue 3

Abstract

The paper deals with the corrosion resistance of different stainless steels in chloride contaminated and carbonated concrete. Stainless steel reinforcement has a higher corrosion resistance as compared to the normal carbon steel reinforcement; stainless steels can, however, be subject to localized corrosion if the chloride content in the concrete exceeds a certain critical value. This critical value depends on the pH value of the concrete (i.e. carbonated or alkaline concrete), the temperature, the corrosion potential (function of environmental conditions), and the composition and microstructure of the stainless steel. Furthermore, in the rehabilitation of corroding reinforced concrete structures, stainless steel is often used in structures reinforced with normal carbon steel and galvanic coupling can occur. The results of measurements of free corrosion potential, corrosion rate and macrocouple current in reinforced concrete specimens are reported as a function of chloride concentration and humidity. The consequence of coupling with carbon steel reinforcement is also considered.

Keywords : stainless steel; corrosion; concrete; carbonation; critical chloride content; galvanic coupling
Published Online: 2014-12-3
Published in Print: 2000-6-1

© 2014 by

Articles in the same Issue

  1. Inhalt / Contents
  2. Impressum
  3. Editorial
  4. Giovanni Martinola, \NTA-Preisträger 2000, Eine kleine Laudatio
  5. Zementgebundene Beschichtungen zum Schutz und zur Instandsetzung von Stahlbetonbauwerken / Protective and repair layers for concrete structures
  6. Korrosion rostfreier Stähle in chloridhaltigem und karbonatisiertem Beton / Corrosion Behaviour of Stainless Steels in Chloride Contaminated and Carbonated Concrete
  7. Simulieren der kapillaren Wasseraufnahme von porösen Werkstoffen des Bauwesens / Modelling of the Capillary Water Absorption of Porous Building Materials
  8. Validieren eines Modells zur Beschreibung des Bohrvorganges in Naturstein mit Hilfe von Daten, die mit dem Bohrwiderstandmess- System (DFMS) erhalten / werden Validation of a Model of Rotary Drilling of Rocks with the Drilling Force Measurement System
  9. Aus der Praxis / Applications
  10. Wichtige Voraussetzungen für die Funktion von Sanierputzsystemen
  11. Mitteilungen und Hinweise / Short Notes
  12. Firmenmitteilungen / Companies inform
  13. Buchbesprechungen / Book Reviews
  14. Neuerscheinungen / New Books
  15. WTA - News
  16. Veranstaltungskalender / Calendar of Events
  17. Stichwörter und Bezugsquellen
https://doi.org/10.1515/rbm-2000-5476
Keywords for this article
stainless steel; corrosion; concrete; carbonation; critical chloride content; galvanic coupling

Articles in the same Issue

  1. Inhalt / Contents
  2. Impressum
  3. Editorial
  4. Giovanni Martinola, \NTA-Preisträger 2000, Eine kleine Laudatio
  5. Zementgebundene Beschichtungen zum Schutz und zur Instandsetzung von Stahlbetonbauwerken / Protective and repair layers for concrete structures
  6. Korrosion rostfreier Stähle in chloridhaltigem und karbonatisiertem Beton / Corrosion Behaviour of Stainless Steels in Chloride Contaminated and Carbonated Concrete
  7. Simulieren der kapillaren Wasseraufnahme von porösen Werkstoffen des Bauwesens / Modelling of the Capillary Water Absorption of Porous Building Materials
  8. Validieren eines Modells zur Beschreibung des Bohrvorganges in Naturstein mit Hilfe von Daten, die mit dem Bohrwiderstandmess- System (DFMS) erhalten / werden Validation of a Model of Rotary Drilling of Rocks with the Drilling Force Measurement System
  9. Aus der Praxis / Applications
  10. Wichtige Voraussetzungen für die Funktion von Sanierputzsystemen
  11. Mitteilungen und Hinweise / Short Notes
  12. Firmenmitteilungen / Companies inform
  13. Buchbesprechungen / Book Reviews
  14. Neuerscheinungen / New Books
  15. WTA - News
  16. Veranstaltungskalender / Calendar of Events
  17. Stichwörter und Bezugsquellen
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