Ti-Al-Nb Material for High-Temperature Applications: Combustion Synthesis from Oxide Raw Materials

Dmitrii Andreev; V.I. Yukhvid; Denis M. Ikornikov; Vladimir N. Sanin

doi:10.4028/www.scientific.net/KEM.746.262

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 746Ti-Al-Nb Material for High-Temperature...

Ti-Al-Nb Material for High-Temperature Applications: Combustion Synthesis from Oxide Raw Materials

Abstract:

This work is focused on preparation of Nb-doped Ti–Al material (Ti–29.3Al–17.6Nb wt %) by centrifugal SHS. Results of studying of combustion and synthesis regularities of intermetallic material on γ-TiAl base from oxide materials under high gravity are presented in the article. For the first time is used a reduction mixture on Al/Ca base which markedly increases the yield of Ti–Al–Nb and decreases the amount of non-metallic impurities (oxygen, nitrogen, carbon) in target product.

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Periodical:

Key Engineering Materials (Volume 746)

Pages:

262-266

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.746.262

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Online since:

July 2017

Authors:

Dmitrii Andreev*, V.I. Yukhvid, Denis M. Ikornikov, Vladimir N. Sanin

Keywords:

Aluminothermy, Calciothermic Reduction, Cast Titanium Aluminide, Centrifugal SHS, Combustion Synthesis

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References

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