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Title: High temperature corrosion behavior of iron aluminides containing ternary additions in H2/H2S/H2O mixed gases
Authors: W. Kai
J.P. Chu
R.T. Huang
P.Y. Lee
Contributors: 國立臺灣海洋大學:材料工程研究所
Keywords: High-temperature corrosion
Iron aluminides
Date: 1997-12
Issue Date: 2018-10-25T02:57:20Z
Publisher: Materials Science and Engineering: A
Abstract: Abstract: The high-temperature corrosion behavior of four iron aluminides containing Fe–18Al (in at.%) and three Fe–18Al–5M alloys (where M was Cr, Mn, or Mo) was studied over the temperature range of 700–900°C in a H2/H2S/H2O atmosphere. The corrosion kinetics followed the parabolic rate law in all cases, regardless of temperature and alloy composition. The parabolic rate constants decreased with decreasing temperature, and the addition of ternary elements resulted in various decreases in the corrosion rate compared with Fe–18Al. It was found that Mo was effective to improve the corrosion resistance at T≤800°C while Cr had a better improvement at 900°C. The scales formed on all iron aluminides were strongly dependent on temperature and ternary addition.
Relation: 239-240 pp.859-870
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/50805
Appears in Collections:[材料工程研究所] 期刊論文

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