Article ID Journal Published Year Pages File Type
815421 Rare Metal Materials and Engineering 2008 4 Pages PDF
Abstract

Zr-Sn-Nb alloy specimens treated in different ways were exposed to 0.01 mol/L LiOH aqueous solution at 350 °C, 16.8 MPa in autoclave. Spectroscopy Ellipsometry (S-E) was applied to investigate the effect of tetragonal ZrO2 (t-ZrO2) in oxide film on corrosion resistance of Zr-Sn-Nb alloy. It was found that the 580 °C/C. R/500 °C specimen corroded for 42 d and 190 d have more t-ZrO2 than other two specimens. But it is converse to the corrosion rate. It is suggested that the small amount of t-ZrO2 is a main factor to affect the corrosion resistance ability and the corrosion resistance is improved by the formation of t-ZrO2.

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Physical Sciences and Engineering Engineering Mechanics of Materials