Oscillations and self-organization phenomena during electrodeposition of silver-indium alloys. Experimental study

• Autorzy: Dobrovolska T. S. , Krastev I. , Żabiński P. , Kowalik R. , Zielonka A.

Warianty tytułu

PL

Oscylacje i zjawiska samoorganizacji w czasie katodowego osadzania stopów srebrowo-indowych. Badania doświadczalne

• Języki publikacji: EN

Abstrakty

EN

The relationship between galvanostatic oscillations and formation of spatio-temporal structures on the electrode surface during electrodeposition of silver-indium alloy coatings were established. The influence of the natural and forced convection onto the structure formation were investigated. A relationship between Ag to In metal ratio in the electrolyte and the current density has been established in slow-stirred electrolyte, which allows the reproducible formation and observation of the self-organization periodic structures also in stirred electrolytes. The diffusion coefficients of the reacting silver and indium species are experimentally determined. It was shown, that the formation of the spatio-temporal structures in Ag-In alloy electrodeposits follows a very complicated reaction mechanism, typical for non-linear dynamic processes.

PL

Określono związek pomiędzy galwanostatycznymi oscylacjami a powstawaniem struktur przestrzenno-czasowych na powierzchni elektrody w trakcie katodowego osadzania stopów srebrowo-indowych. Badano wpływ naturalnej i wymuszonej konwekcji na tworzenie się struktur. Określono związek pomiędzy stosunkiem zawartości w elektrolicie Ag do In oraz gęstością prądową w mieszanym powoli elektrolicie, który pozwalał na powtarzalne uzyskiwanie i obserwowanie samoorganizujących się periodycznych struktur. Współczynniki dyfuzji reagujących związków srebra i indu wyznaczono doświadczalnie. Wykazano, że pojawianie się czasowo-przestrzennych struktur w osadach katodowych stopu Ag-In przebiega według skomplikowanego mechanizmu, typowego dla zjawisk dynamiki nieliniowej.

Słowa kluczowe

EN

electrodeposition; oscillations; self-organization; silver-indium alloys

PL

elektrochemia; oscylacje; samoorganizacja; stopy srebrowo-indowe

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2011
• Tom: Vol. 56, iss. 3
• Strony: 645--657
• Opis fizyczny: Bibliogr. 31 poz., rys., tab.

Twórcy

autor

Dobrovolska T. S.

autor

Krastev I.

autor

Żabiński P.

autor

Kowalik R.

autor

Zielonka A.

• Institute of Physical Chemistry, Bas, 1113 Sofia, Bulgaria

Bibliografia

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