Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.9/1661
Título: Tungsten–nanodiamond composite powders produced by ball milling
Autor: Nunes, D.
Livramento, Vanessa
Mardolcar, U. V.
Correia, J. Brito
Carvalho, P. A.
Data: 2012
Editora: Elsevier
Citação: Nunes, D.; Livramento, V.; Mardolcar, U.V.; Correia, J.B.; Carvalho, P.A. Tungsten–nanodiamond composite powders produced by ball milling. In:Journal of Nuclear Materials, 2012, vol. 426, nº1-3, p.115-119
Resumo: The major challenge in producing tungsten–nanodiamond composites by ball milling lies in successfully dispersing carbon nanoparticles in the metallic matrix while keeping carbide formation at a minimum. Processing windows for carbide minimization have been established through systematic variation of the nanodiamond fraction, milling energy and milling time. Materials characterization has been carried out by X-ray diffraction, scanning and transmission electron microscopy and microhardness testing. Nanostructured matrices with homogeneously dispersed particles that preserved the diamond structure have been produced. Differential thermal analysis has been used to evaluate the composites thermal stability.
URI: http://hdl.handle.net/10400.9/1661
ISSN: 0022-3115
Versão do Editor: http://dx.doi.org/10.1016/j.jnucmat.2012.03.028
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