A New Preparation Method of Fe-WC Composite Ceramic Powder through Ball Milling

Wei Li; Cheng Ge Wu; Qiang Han Fang

doi:10.4028/www.scientific.net/AMR.311-313.122

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 311-313A New Preparation Method of Fe-WC Composite...

A New Preparation Method of Fe-WC Composite Ceramic Powder through Ball Milling

Abstract:

The iron-based composite ceramic powder Fe-WC is produced by ball milling with synthetic tungsten mine and graphite. The process is accomplished through mechanical activation and reductive diffusion of the reactant powders during the milling process. The products are analyzed by means of XRD, DTA and EPMA. The results approved that the reaction does not carry through completely when the milling time is less than 8h. However, the composite powder of Fe and WC is gained by annealing from powders milled under 180V of the milling machine. The apparent activation energy of the reductive reaction is gradually decreased with the extending of milling time by mechanical activation.

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Periodical:

Advanced Materials Research (Volumes 311-313)

Pages:

122-126

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.311-313.122

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Online since:

August 2011

Authors:

Wei Li, Cheng Ge Wu, Qiang Han Fang

Keywords:

Ball Milling, Composite Ceramic, Fe-WC, Mechanical Activation (MA), Tungsten

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