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Corrosion initiation on corrosion resistant alloys via acceleration chloride transport
Title
Corrosion initiation on corrosion resistant alloys via acceleration chloride transport.
Creator
Gutierrez, Francisco, Graduate College
Date Issued
2013-04-12
PURL
http://purl.flvc.org/fcla/dt/3361305
Subject Headings
Corrosion resistant alloys, Corrosion, Corrosion and anti-corrosives--Testing
Format
Document (PDF)
Effect of steel reinforcement type and surface condition on corrosion initiation in mortar
Title
Effect of steel reinforcement type and surface condition on corrosion initiation in mortar.
Creator
Huang, Yirong., Florida Atlantic University, Hartt, William H.
Abstract/Description
This study employed half-cell potential (Eoc), polarization resistance (PR) and galvanic current tests to explore effects of surface condition and steel reinforcement type on corrosion initiation in mortar. A low impurity steel plate and #10 grade 60 rebar were used. Four surface conditions (as-received, atmospherically rusted, #240 SiC paper polished, and #500 SiC paper polished) were employed. Cyclic wet and dry exposure of specimens in 15% NaCl solution was conducted. Half-cell potential...
Show moreThis study employed half-cell potential (Eoc), polarization resistance (PR) and galvanic current tests to explore effects of surface condition and steel reinforcement type on corrosion initiation in mortar. A low impurity steel plate and #10 grade 60 rebar were used. Four surface conditions (as-received, atmospherically rusted, #240 SiC paper polished, and #500 SiC paper polished) were employed. Cyclic wet and dry exposure of specimens in 15% NaCl solution was conducted. Half-cell potential measurements showed that the corrosion probability of specimens with as-received and pre-rusted surfaces was lower than that of specimens with a polished surface. However, the PR and galvanic current tests indicated higher corrosion rate for specimens prepared with atmospherically rusted and as-received steels. Good agreement was found between results of the polarization resistance test and galvanic current measurements. There is a lack of correlation between half-cell potential and corrosion rate.
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Date Issued
2003
PURL
http://purl.flvc.org/fcla/dt/13075
Subject Headings
Corrosion and anti-corrosives--Testing, Reinforced concrete--Corrosion, Mortar, Steel--Corrosion
Format
Document (PDF)