Zairyo-to-Kankyo
Online ISSN : 1881-9664
Print ISSN : 0917-0480
ISSN-L : 0917-0480
Laboratory Soil Corrosion Tests of Steel Rods
Naomi EmukaiHisayoshi Takazawa
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1993 Volume 42 Issue 3 Pages 136-143

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Abstract

Laboratory corrosion tests were performed on bare and galvanized steel rods exposed to 14 soil conditions, involving sand, clay, humus, their mixtures, two-layer structures, and soils containing NaCl. The corrosion potentials of the rods were measured during the tests. After 1, 2, 4 and 6 years of exposure, weight loss was measured for corroded rods digged up from soils, and corrosion products were identified by using X-ray diffraction analysis (XRD). This paper reports the results of those corrosion measurements. The magnitude and the progress of corrosion of rods are discussed in relation to the structure and properties of the soils, the corrosion products together with the change of corrosion potential of the rods.

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© Japan Society of Corrosion Engineering
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