Effect of termal treatment on the electrochemical hydrogen absortion of ZrCrNi alloy

F.C. RUIZ, H. A. PERETTI, A. VISINTIN, S.G. REAL, E.B. CASTRO, H.L. CORSO Y W.E. TRIACA

Proceedings of 6 th International Symposium on New Material for Electrochemical Systems, O. Savadovo y G. Brisard

Lugar: Montreal; Año: 2006; p. 10 - 12

The catalytic effect of secondary phases contained in the alloy ZrCrNi on its electrochemical properties was studied. Samples of the as-melted alloy were subjected to annealing treatments at T = 1250 K during different times in order to vary the amounts of remaining microsegregated secondary phases. The electrochemical hydrogen absorption of these samples was studied by charge-discharge cycling, high rate dischargeability (HRD) and electrochemical impedance spectroscopy (EIS). The correlation between the measured properties and the secondary phases present in the alloy is discussed.