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Microstructure and Compound Developed from La-As-Fe System at 1223K

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Abstract:

The interaction among Lanthanum, Arsenic and Iron at 1223K were studied by means of electron probe microanalysis, optical microscopy and X-ray diffraction. The result shows that the gray phase might be a ternary compound La10Fe50As40, and the binary compound LaAs and the ternary compound La10Fe50As40 are the main interaction products when the atomic ratio of La to As is 1:3. The eutectic compound Fe2As can be precipitated from ferrite with the temperature decreasing.

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Advanced Materials Science and Applied Mechanics View Preview

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Periodical:

Advanced Materials Research (Volume 702)

Pages:

145-148

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.702.145

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Online since:

May 2013

Authors:

Xiao Dong Liu, Jin Zhu Zhang, Si Si Zhu

Keywords:

Arsenic, La-As Compound, Lanthanum

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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