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Open Access item Alumina/tungsten nanocomposites obtained by spark plasma sintering

Authors:Rodríguez Suárez, Teresa
Díaz, L. A.
Torrecillas, Ramón
Lopez-Esteban, S.
Moya, J. S.
Keywords:Ceramic-matrix composites (CMCs), Nanocomposites, Hardness testing, Sintering, Spark plasma sintering
Issue Date:2-Jul-2009
Publisher:Elsevier
Citation:Composites Science and Technology 69(14): 2467-2473 (2009)
Abstract:In the present work, the parameters controlling the alumina/W nanopowders Spark Plasma Sintering (SPS) process are studied. The important and crucial role of C diffusion from the SPS die in the microstructure, fraction of porosity and new phases formation (W2C) is discussed. It is also pointed out the importance of the processing parameters of the starting powder on the density and mechanical properties of the final compacts. In this regard, dense alumina/nW compacts containing 4 vol.% W with a hardness value as high as 24.6 ± 0.9 GPa were obtained.
Description:7 pages, 7 figures, 1 table.-- Issue title: "The Sixteenth International Conference on Composite Materials with Regular Papers".-- El pdf dcel artículo es el manuscrito de autor.-- et al.
Publisher version (URL):http://dx.doi.org/10.1016/j.compscitech.2009.06.022
URI:http://hdl.handle.net/10261/17692
ISSN:0266-3538
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