Structure Peculiarities of Nanocomposite Powder Fe40Al/Al2O3 Produced by MASHS

Abstract:

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Structure investigation results for MASHS powder Fe40Al/Al2O3 are presented. The powder structure formation proceeds via two stages. On the first step (mechanical activation) aluminothermal reaction takes plays in the system Fe+Al+Fe2O3, leading to formation of nanocomposite precursor Fe-Al-Al2O3. On the second step (SHS), iron and aluminum reacts, forming intermetallic FeAl. As-synthesized composite powder completely inherits the precursor structural morphology in spite of the phase transformations taking place during the production process. Such a production route provides the formation of intergrowth nanocomposite material structure with improved interfacial strength.

Info:

Periodical:

Materials Science Forum (Volumes 534-536)

Edited by:

Duk Yong Yoon, Suk-Joong L. Kang, Kwang Yong Eun and Yong-Seog Kim

Pages:

1421-1424

DOI:

10.4028/www.scientific.net/MSF.534-536.1421

Citation:

T. Talaka et al., "Structure Peculiarities of Nanocomposite Powder Fe40Al/Al2O3 Produced by MASHS", Materials Science Forum, Vols. 534-536, pp. 1421-1424, 2007

Online since:

January 2007

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$35.00

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