Thermal and electrochemical properties of cobalt containing Finemet type alloys

Corrosion behavior of bulk metallic glass Pr60Fe30−xTMxAl10 in NaCl aqueous solution

“…Q d is the nonideal double layer capacity and R t is the electrochemical transfer resistance. The constant phase elements, Q x , were used instead of pure capacities, C x , to represent the capacitive elements to take account of the deviations of the system from the ideality due to surface heterogeneities and other possible reasons [14], the impedance of a constant phase element, CPE, is defined by:…”

Influence of nickel content on the electrochemical behavior of Finemet type amorphous and nanocrystalline alloys

“…Many works have been published which relate the electrochemical behavior of Fe-based amorphous alloys both in amorphous or crystalline state [2][3][4][5]. It is well-known that the substitution of Fe by Ni increases the induced magnetic anisotropy in amorphous as well as in crystalline alloys, improves corrosion resistance and mechanical behavior [6][7][8].…”

Optimization of the microstructure and corrosion resistance of Finemet type alloys in KOH solutions

“…The decrease of C dl suggests a decrease in the accumulation of corrosion products on the alloy surface [7]. For clustered samples, C dl increases in F alloys, while it decreases for FCr 4 alloys.…”

“…The overall shape of the impedance diagrams shows the presence of two capacitive contributions represented by two semicircles. In addition to this, the transition region of impedance data between capacitive contributions shows an inductive loop probably generated by adsorption/desorption processes taking place at the electrode surface [7]. This work considers only the first capacitive contributions of the Nyquist plots to make a preliminary evaluation of the EIS experimental data.…”