Study of early stages of Cu–NbC nanocomposite synthesis

Cu–NbC nanocomposites with nominal compositions of 5, 10 and 20 vol.% of NbC were produced in situ via MA from elemental powders. The powders were milled for 1, 2, 4, 8, 16 and 32 h. The as-milled powders were characterised by X-ray diffraction (XRD) and scanning electron microscopy (SEM). X-ray dif...

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Published inJournal of alloys and compounds Vol. 434; pp. 481 - 484
Main Authors Marques, M.T., Livramento, V., Correia, J.B., Almeida, A., Vilar, R.
Format Journal Article
LanguageEnglish
Published Elsevier B.V 31.05.2007
Subjects
High-energy ball milling
Metals
Nanostructures
Metals
High-energy ball milling
Nanostructures
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Summary:Cu–NbC nanocomposites with nominal compositions of 5, 10 and 20 vol.% of NbC were produced in situ via MA from elemental powders. The powders were milled for 1, 2, 4, 8, 16 and 32 h. The as-milled powders were characterised by X-ray diffraction (XRD) and scanning electron microscopy (SEM). X-ray diffraction results showed that the niobium carbide phase is formed in the early stages of milling and that the time necessary to complete the reaction ranges from 1 to about 8 h of milling.
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ISSN:0925-8388
1873-4669
DOI:10.1016/j.jallcom.2006.08.307