Investigation on the Thermal Stability of the Compounds Y3Fe29-xCrx

Xiao Hua Wang; Wei He; Ling Min Zeng

doi:10.4028/www.scientific.net/AMR.820.71

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 820Investigation on the Thermal Stability of the...

Investigation on the Thermal Stability of the Compounds Y₃Fe_29-xCr_x

Abstract:

Binary compound Y₃Fe₂₉cannot be directly formed by rare earth Y and Fe and the third element M (non-iron transition elements) must be introduced to form ternary compound Y₃(Fe,M)₂₉. In this work, six alloys with compositions of the Y₃Fe_29-xCr_x (x=1,2,3,4,5,6) were prepared and investigated by X-ray diffraction (XRD), Scanning electron microscopy (SEM) and differential thermal analysis (DTA). The study on the thermal stability of these compounds points to that the compoundY₃(Fe,Cr)₂₉ is a high temperature phase and exists above 1100K. The alloys with single-phase of Y₃(Fe,Cr)₂₉was decomposed into Y₂(Fe,Cr)₁₇ and Y(Fe,Cr)₁₂annealed at high temperature 1100K.

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Periodical:

Advanced Materials Research (Volume 820)

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71-74

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.820.71

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Online since:

September 2013

Authors:

Xiao Hua Wang, Wei He, Ling Min Zeng

Keywords:

Crystal Structure, Thermal Stability, X-Ray Diffraction (XRD), Y₃(Fe,Cr)₂₉

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