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Please use this identifier to cite or link to this item: http://hdl.handle.net/10204/5458

Title: XRD analysis and microstructure of milled and sintered V, W, C, and Co powders
Authors: Bolokang, AS
Phasha, MJ
Oliphant, C
Motaung, D
Keywords: X-ray analysis
Milled V, W, C powders
Sintered V, W, C powders
Refractory metals
Hard materials
Issue Date: Jan-2011
Publisher: Elsevier
Citation: Bolokang, AS, Phasha, MJ, Oliphant, C and Motaung, D. 2011. XRD analysis and microstructure of milled and sintered V, W, C, and Co powders. International Journal of Refractory Metals and Hard Materials, Vol 29(1), pp 108-111
Series/Report no.: Workflow request;7845
Abstract: In the current study, results of the milled and sintered V, W, C, Co powders are presented. Analytical techniques such as SEM equipped with EDS and XRD were used to study microstructure and phase evolution, respectively. In addition to B1 (VW)C solid solution, a rhombohedral V2O3 and new t-type (Cr23C6) carbide were formed after sintering. The possible formation mechanisms behind detected phases are discussed. It is evident that complete MA process depends strongly on the starting compositions of pure elements, their lattice coherency according to Hume-Rothery rules on crystal structure and atomic size, and enough milling time that provides adequate kinetics.
Description: Copyright: 2011 Elsevier. This is an ABSTRACT ONLY
URI: http://www.sciencedirect.com/science/article/pii/S0263436810001228
http://hdl.handle.net/10204/5458
ISSN: 0263-4368
Appears in Collections:National Centre for nano-structured materials
Nanotechnology
Metal and metal processes
General science, engineering & technology

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