A chromaticity approach for the inspection of passive films on 304 stainless steel is explored by measuring the redness degree of the colouration reaction product of phenanthroline. The measurement exhibits good capability in evaluating film quality. The,measured values are dependent on the structural integrity of the passive films. Based on the electrochemical examination and XPS spectra, this approach is discussed from the view point of the inhibition of the passive films on the release of ferrous from the matrix during its reaction with phenanthroline. The preferential dissolution of Fe-rich oxides in the films can affect the measurement. (C) 2013 Elsevier Ltd. All rights reserved.
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Univ Fed Sao Carlos, Dept Mat Engn, BR-13565905 Sao Carlos, SP, BrazilUniv Fed Sao Carlos, Dept Mat Engn, BR-13565905 Sao Carlos, SP, Brazil
Della Rovere, C. A.
Alano, J. H.
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Univ Fed Sao Carlos, Dept Mat Engn, BR-13565905 Sao Carlos, SP, BrazilUniv Fed Sao Carlos, Dept Mat Engn, BR-13565905 Sao Carlos, SP, Brazil
Alano, J. H.
Silva, R.
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Univ Fed Sao Carlos, Dept Mat Engn, BR-13565905 Sao Carlos, SP, BrazilUniv Fed Sao Carlos, Dept Mat Engn, BR-13565905 Sao Carlos, SP, Brazil
Silva, R.
Nascente, P. A. P.
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Univ Fed Sao Carlos, Dept Mat Engn, BR-13565905 Sao Carlos, SP, BrazilUniv Fed Sao Carlos, Dept Mat Engn, BR-13565905 Sao Carlos, SP, Brazil
Nascente, P. A. P.
Otubo, J.
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Technol Inst Aeronaut, Div Mech Engn, BR-12228900 Sao Jose Dos Campos, SP, BrazilUniv Fed Sao Carlos, Dept Mat Engn, BR-13565905 Sao Carlos, SP, Brazil
Otubo, J.
Kuri, S. E.
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Univ Fed Sao Carlos, Dept Mat Engn, BR-13565905 Sao Carlos, SP, BrazilUniv Fed Sao Carlos, Dept Mat Engn, BR-13565905 Sao Carlos, SP, Brazil
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Univ Oran, Lab Phys Couches Minces & Mat Elect, Fac Sci, Oran 31000, AlgeriaUniv Oran, Lab Phys Couches Minces & Mat Elect, Fac Sci, Oran 31000, Algeria
机构:
Univ Fed Sao Carlos, Dept Mat Engn, BR-13565905 Sao Carlos, SP, BrazilUniv Fed Sao Carlos, Dept Mat Engn, BR-13565905 Sao Carlos, SP, Brazil
Della Rovere, C. A.
Alano, J. H.
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h-index: 0
机构:
Univ Fed Sao Carlos, Dept Mat Engn, BR-13565905 Sao Carlos, SP, BrazilUniv Fed Sao Carlos, Dept Mat Engn, BR-13565905 Sao Carlos, SP, Brazil
Alano, J. H.
Silva, R.
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h-index: 0
机构:
Univ Fed Sao Carlos, Dept Mat Engn, BR-13565905 Sao Carlos, SP, BrazilUniv Fed Sao Carlos, Dept Mat Engn, BR-13565905 Sao Carlos, SP, Brazil
Silva, R.
Nascente, P. A. P.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Fed Sao Carlos, Dept Mat Engn, BR-13565905 Sao Carlos, SP, BrazilUniv Fed Sao Carlos, Dept Mat Engn, BR-13565905 Sao Carlos, SP, Brazil
Nascente, P. A. P.
Otubo, J.
论文数: 0引用数: 0
h-index: 0
机构:
Technol Inst Aeronaut, Div Mech Engn, BR-12228900 Sao Jose Dos Campos, SP, BrazilUniv Fed Sao Carlos, Dept Mat Engn, BR-13565905 Sao Carlos, SP, Brazil
Otubo, J.
Kuri, S. E.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Fed Sao Carlos, Dept Mat Engn, BR-13565905 Sao Carlos, SP, BrazilUniv Fed Sao Carlos, Dept Mat Engn, BR-13565905 Sao Carlos, SP, Brazil
机构:
Univ Oran, Lab Phys Couches Minces & Mat Elect, Fac Sci, Oran 31000, AlgeriaUniv Oran, Lab Phys Couches Minces & Mat Elect, Fac Sci, Oran 31000, Algeria