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High-temperature carburization behaviour of HASTELLOY X in CH4 gas

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Title: High-temperature carburization behaviour of HASTELLOY X in CH4 gas
Authors: Matsukawa, Chihiro Browse this author
Hayashi, Shigenari Browse this author →KAKEN DB
Yakuwa, Hiroshi Browse this author
Kishikawa, Tadahiko Browse this author
Narita, Toshio Browse this author
Ukai, Shigeharu Browse this author
Keywords: High-temperature corrosion
Ni-base alloy
Metal dusting
carbon diffusion
Issue Date: Oct-2011
Publisher: Elsevier
Journal Title: Corrosion Science
Volume: 53
Issue: 10
Start Page: 3131
End Page: 3138
Publisher DOI: 10.1016/j.corsci.2011.05.056
Abstract: Ni-base wrought alloy HASTELLOY X tube was exposed to Ar-CH4 at 800 and 1000℃ in order to understand the carburization kinetics of the alloy used for fuel injection nozzles of micro-gas turbine combustors. Three different internal carbides, (Cr,Mo)3C2, (Cr,Mo)7C3 and (Cr,Mo)23C6 were observed in this order from the surface, and the partial damage to the outer surface of the specimen tube appeared similar to metal-dusting. The internal carburization kinetics on both the inner and outer parts of tube followed the parabolic rate law. The carbon permeability in HASTELLOY X was obtained, and was slightly smaller than that of Ni-20%Cr.
Type: article (author version)
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 林 重成

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