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Title: The Effect of Er Addition on the Air-Oxidation of a Zr55Cu30Al10Ni5-Based Bulk Metallic Glass
Authors: W. Kai
I. F. Ren
W. S. Chen
P. C. Kao
R. T. Huang
D. Xing
P. K. Liaw
Contributors: 國立臺灣海洋大學:光電與材料科技學系
Keywords: Oxidation
Bulk metallic glass
Date: 2014-04
Issue Date: 2018-08-14T01:11:10Z
Publisher: Oxidation of Metals
Abstract: Abstract: Air oxidation behavior of a (Zr55Cu30Al10Ni5)98Er2 bulk metallic glass was studied at 350–450 °C. The results showed that the oxidation kinetics of the alloy followed a multi-stage parabolic rate law, and the parabolic rate constants at the steady-state stage increased with temperature. The oxidation rates of the alloy were higher than those of the Zr55Cu30Al10Ni5 glassy alloy, indicative of poor oxidation resistance for the Er-containing alloy. The scales formed on the (Zr55Cu30Al10Ni5)98Er2 alloy consisted mostly of tetragonal ZrO2 and minor monoclinic ZrO2 and CuO at 350 °C, while Cu2O and Er2O3 were present at T > 400 °C.
Relation: 81(3-4) pp.453–465
Appears in Collections:[Institute of Optoelectronic Sciences] Periodical Articles

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