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Title: Air Oxidation of a Ni53Nb20Ti10Zr8Co6Cu3 Glassy Alloy at 400–550 °C
Authors: F. P. Zheng
Wu Kai
Y. T. Chen
S. Chen
R. T. Huang
L. W. Tsai
H. H. Huang
W. Zhang
Contributors: 國立臺灣海洋大學:光電與材料科技學系
Keywords: Glasses
Date: 2016-07
Issue Date: 2018-08-14
Publisher: Oxidation of Metals
Abstract: Abstract: Air-oxidation behavior of a Ni53Nb20Ti10Zr8Co6Cu3 amorphous ribbon was studied at 400–550 °C. The oxidation kinetics of the amorphous alloy followed a two-stage parabolic rate law with its oxidation rates steadily increasing with temperature. The steady-state oxidation rate constants of the alloy were faster than those of pure Ni. Triplex scales formed on the glassy alloy, containing an outer layer of NiO. The scales formed in the intermediate layer consisted of Nb2O5, NiO, and uncorroded α-Ni, while an additional Nb2Zr6O17 phase was also detected in the inner layer. The formation of multilayered scales is responsible for the faster oxidation for the Ni6-AR.
Relation: 86(3-4) pp.205–219
Appears in Collections:[Institute of Optoelectronic Sciences] Periodical Articles

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