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题名: Air Oxidation of a Ni53Nb20Ti10Zr8Co6Cu3 Glassy Alloy at 400–550 °C
作者: F. P. Zheng
Wu Kai
Y. T. Chen
S. Chen
R. T. Huang
L. W. Tsai
H. H. Huang
W. Zhang
贡献者: 國立臺灣海洋大學:光電與材料科技學系
关键词: Glasses
SEM
TEM
Oxidation
日期: 2016-07
上传时间: 2018-08-14
出版者: Oxidation of Metals
摘要: 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.
關聯: 86(3-4) pp.205–219
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/48131
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