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HomeMaterials Science ForumMaterials Science Forum Vols. 747-748Self-Propagating Combustion Synthesis and...

Self-Propagating Combustion Synthesis and Characterization of ODS Fe-Base Superalloy Powders

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Abstract:

A new method was employed to synthesize nanosized Y₂O₃ dispersion strengthened Fe-base superalloy powders using self-propagating combustion. A concentrated solution of nitrates of iron and yttrium was used as oxidizer, malic acid as fuel to fabricate Fe₂O₃/Y₂O₃ powders at low temperature. Afterwards, uniform and fine Fe/2wt.%Y₂O₃ powders were obtained by selective reduction with hydrogen, on the surface of which dispersive Y₂O₃ particles of the mean size of 30 - 50 nm were observed.

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Periodical:

Materials Science Forum (Volumes 747-748)

Pages:

641-646

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.747-748.641

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Online since:

February 2013

Authors:

Cun Guang Chen, Zhi Meng Guo, Ji Luo, Wei Wei Yang, Jun Jie Hao, Jian Yang

Keywords:

High Temperature Alloys, ODS, Powder, Self-Propagating Combustion Synthesis

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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