Phase Equilibrium of the Fe-Cr-Ni-Al Quaternary System at 900 degree C

The 900 degree C isothermal sections of the Fe-Cr-Ni-Al quaternary with Fe fixed at 70 at.% and that with Ni fixed at 60 at.% have been determined by scanning electron microcopy coupled with energy dispersive spectroscopy and x-ray diffraction. Only one three-phase region marked as alpha -Fe + beta...

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Published inJournal of phase equilibria and diffusion Vol. 34; no. 3; pp. 181 - 187
Main Authors Yin, Fucheng, Wu, Caixia, Li, Zhi, Zhao, Manxiu, Liu, Yongxiong
Format Journal Article
LanguageEnglish
Published 01.06.2013
Subjects
Diffraction
Diffusion
Energy dispersive
Iron
Nickel
Phase equilibria
Scanning
X-rays
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Summary:The 900 degree C isothermal sections of the Fe-Cr-Ni-Al quaternary with Fe fixed at 70 at.% and that with Ni fixed at 60 at.% have been determined by scanning electron microcopy coupled with energy dispersive spectroscopy and x-ray diffraction. Only one three-phase region marked as alpha -Fe + beta -(Fe,Ni)Al + gamma -Fe has been found in the 70Fe-Cr-Ni-Al section. With regard to the Fe-Cr-60Ni-Al section, there are three three-phase regions, i.e., alpha -Cr + gamma -Ni + gamma '-Ni sub(3)Al, gamma -Ni + gamma '-Ni sub(3)Al + beta -(Fe,Ni)Al and alpha -Cr + beta -(Fe,Ni)Al + gamma '-Ni sub(3)Al and one four-phase region, namely alpha -Cr + beta -(Fe,Ni)Al + gamma -Ni + gamma '-Ni sub(3)A l. No quaternary compound is found in the present work.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
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ISSN:1547-7037
1863-7345
DOI:10.1007/s11669-013-0232-3