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Journal of Failure Analysis and Prevention
Erschienen in: Journal of Failure Analysis and Prevention 5/2016

01.10.2016 | Technical Article---Peer-Reviewed

Effects of Heat Treatment Processes on Corrosion Resistance of Epoxy-Coated Rebar Steel

verfasst von: Seifollah Nasrazadani, Venkata Venkatesh Nagulakonda, Javier Barnes, Andres Garcia, Amaal Al-Shenawa, Nandika Ann D’Souza

Erschienen in: Journal of Failure Analysis and Prevention | Ausgabe 5/2016

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Abstract

Potentiodynamic polarization analysis was performed on heat-treated (quenched, normalized, or annealed) and epoxy-coated rebar steel samples in 3.5% NaCl solutions. Two types of epoxy coatings including a commercially available (Araldite LY 1556 with Aradur 2964 as curing agent, brushed) and FibreGlast with Resin 2000 epoxy coating (sprayed) using manufacturer’s recommendations were utilized in this study. Optical microscopy, hardness testing, and potentiodynamic polarization were carried out to study microstructure, hardness, and corrosion resistance of the bare and epoxy-coated rebar steel samples. Bare, as-received, rebar samples exhibited the highest corrosion rate of 11.93 μA/cm2 followed by quenched bare sample with 4.2 μA/cm2. Annealed and normalized rebar samples showed corrosion rates of 2.8 and 2.6 μA/cm2, respectively. All epoxy-coated samples exhibited lower corrosion rates compared to their uncoated counterparts.
Vorheriger Artikel Cracking Failure Analysis of Inlet Manifold in Hydrogen Reformer Furnace and Prevention
Nächster Artikel Fatigue Failure of Electronic Unit Pumps Used in Truck Diesel Engine

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Metadaten
Titel
Effects of Heat Treatment Processes on Corrosion Resistance of Epoxy-Coated Rebar Steel
verfasst von
Seifollah Nasrazadani
Venkata Venkatesh Nagulakonda
Javier Barnes
Andres Garcia
Amaal Al-Shenawa
Nandika Ann D’Souza
Publikationsdatum
01.10.2016
Verlag
Springer US
Erschienen in
Journal of Failure Analysis and Prevention / Ausgabe 5/2016
Print ISSN: 1547-7029
Elektronische ISSN: 1864-1245
DOI
https://doi.org/10.1007/s11668-016-0161-7

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