Naslov
Određivanje korozijskih parametara i Mathematica
(Determination of corrosion parameters and Mathematica)

Autori
Martinez, Sanja ; Štern, Ivica

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, znanstveni

Izvornik
Programski sustav Mathematica u znanosti, tehnologiji i obrazovanju / Ungar Šime - Zagreb : Matematički odsjek Prirodoslovno-matematičkog fakulteta Sveučilišta u Zagrebu, 2001, 54-55

Skup
Programski sustav Mathematica u znanosti, tehnologiji i obrazovanju

Mjesto i datum
Zagreb, Hrvatska, 27.09.2001. - 28.09.2001

Vrsta sudjelovanja
Poster

Vrsta recenzije
Domaća recenzija

Ključne riječi
korozija; korozijski parametri; Mathematica
(corrosion; corrosion parameters; Mathematica)

Sažetak
Application of Mathematica in the analysis of polarization data and determination corrosion parameters (corrosion current and potential, corrosion resistance, Tafel coefficients and “Tafel coefficients” of potentiodynamic measurements) was investigated. Sample programs include different modes of data input (manual, trough an interactive program and automatic, from a data file). Tafel area boundaries are set either manually, by visual inspection of the data plot or automatically, by analysis of the moving zone of variable boundaries, using variance as an acceptance criterion of the final result. The third method used is determination of corrosion parameters by application of the nonlinear fitting procedure in which the Wagner-Traud relation is fitted to the polarization data set. All the results are displayed graphically and numerically. The methods were tested on synthetic set of data as well as on the sets of experimental data obtained by performing polarization measurements on steel in sulfuric acid solutions with and without the inhibitor.

Izvorni jezik
Engleski

Znanstvena područja
Kemijsko inženjerstvo

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