期刊
SCRIPTA MATERIALIA
卷 78-79, 期 -, 页码 1-4出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2013.12.019
关键词
Al matrix composites; Flake powder metallurgy; Nanoparticles; Intragranular particles
Microstructure of in situ Al2O3/Al composites fabricated by flake powder metallurgy (FPM) has been characterized in the current paper. The coarsening behavior of the ball-milled Al flake powders is influenced greatly by the thickness of the flakes, which in turn affects the shape and distribution of the Al2O3 reinforcement particles within the Al2O3/Al composites. Intragranular Al2O3 nanoparticles with a lamellar shape in the Al matrix could be obtained by the FPM method through refining the thickness of the ball-milled Al flakes. (C) 2014 Published by Elsevier Ltd. on behalf of Acta Materialia Inc.
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