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Effects of Combustion Gas Species on Y2O3 Film Produced from EDTA·Y·H Complex by Flame-Spraying Technique

Published online by Cambridge University Press:  12 January 2016

Keiji Komatsu ,
Tetsuo Sekiya ,
Yasuhiro Hasebe ,
Ayumu Toyama ,
Atsushi Nakamura ,
Masahiro Noguchi ,
Yu Li ,
Shigeo Ohshio ,
Hiroki Akasaka  and
Hidetoshi Saitoh
Keiji Komatsu*
Affiliation:
Department of Materials Science and Technology, Nagaoka University of Technology, 1603-1 Kamitomioka, Nagaoka, Niigata 940-2188, JAPAN.
Tetsuo Sekiya
Affiliation:
Department of Materials Science and Technology, Nagaoka University of Technology, 1603-1 Kamitomioka, Nagaoka, Niigata 940-2188, JAPAN.
Yasuhiro Hasebe
Affiliation:
Department of Materials Science and Technology, Nagaoka University of Technology, 1603-1 Kamitomioka, Nagaoka, Niigata 940-2188, JAPAN.
Ayumu Toyama
Affiliation:
Department of Materials Science and Technology, Nagaoka University of Technology, 1603-1 Kamitomioka, Nagaoka, Niigata 940-2188, JAPAN.
Atsushi Nakamura
Affiliation:
Department of Materials Science and Technology, Nagaoka University of Technology, 1603-1 Kamitomioka, Nagaoka, Niigata 940-2188, JAPAN. Chubu Chelest Co., Ltd., 3-3-3 Hinagahigashi, Yokkaichi, Mie 510-0886, JAPAN.
Masahiro Noguchi
Affiliation:
Nippon Steel & Sumikin Hardfacing Co., Ltd., 6-26-5, Kameido-Koto-ku, Tokyo 136-0071, JAPAN.
Yu Li
Affiliation:
Nippon Steel & Sumikin Hardfacing Co., Ltd., 6-26-5, Kameido-Koto-ku, Tokyo 136-0071, JAPAN.
Shigeo Ohshio
Affiliation:
Department of Materials Science and Technology, Nagaoka University of Technology, 1603-1 Kamitomioka, Nagaoka, Niigata 940-2188, JAPAN.
Hiroki Akasaka
Affiliation:
Department of Materials Science and Technology, Nagaoka University of Technology, 1603-1 Kamitomioka, Nagaoka, Niigata 940-2188, JAPAN.
Hidetoshi Saitoh
Affiliation:
Department of Materials Science and Technology, Nagaoka University of Technology, 1603-1 Kamitomioka, Nagaoka, Niigata 940-2188, JAPAN.
*
*(Email: Keiji_Komatsu@mst.nagaokaut.ac.jp)
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Abstract

Yttria (Y2O3) films were deposited on stainless steel substrates from ethylenediaminetetraacetic·yttrium·hydrogen (EDTA·Y·H) complexes by flame spraying. The gas mixtures of acetylene-oxygen (C2H2-O2) or hydrogen-oxygen (H2-O2) were used for the combustion flame and the effects of the combustion gas species on Y2O3 films were investigated. Experiments revealed that the particles propelled in the H2-O2 flame had lower temperature and higher velocity compared with the particles in the C2H2-O2 flame. The existence of Y2O3 crystalline phases and complete decomposition of the EDTA·Y·H were confirmed. The porosity of the film was 25% when the H2-O2 flame was used and 32% when the C2H2-O2 flame was used. In addition, the Y2O3 films showed excellent adherability in tape tests. The H2-O2 flame is thus considered suitable for fabricating dense Y2O3 films.

Keywords

flame synthesisceramicfilm
Type
Articles
Information
MRS Advances , Volume 1 , Issue 17: Mechanical Behaviour and Failure of Materials , 2016 , pp. 1209 - 1214
Copyright
Copyright © Materials Research Society 2016 

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References

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