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- W2389279766 abstract "Applying an electromagnetic field,tungsten carbide particles (WCp) could be in-situ synthesized through reaction between tungsten atoms and carbon atom groups from system consisting of tungsten wires and gray cast iron melt at 1 300 ℃. The iron matrix composites reinforced by both in-situ synthesis of WC particles and the residual tungsten wires were obtained. The microstructures of composites were characterized by X-ray diffraction,scanning electron microscopy and energy dispersive spectrometer. The results indicate that,under the current of 15 A,with enhancement of electromagnetic field frequency,the amount of in-situ WCp gradually increases,and the amount of the residual tungsten wires continuously decreases. When the frequency reaches 5 kHz,tungsten wires can be reacted completely. The electromagnetic field can accelerate mass transfer and elemental diffusion in iron molten,and contribute quickly to form a series of small Fe-W-C ternary zones containing high tungsten content around the tungsten wires,and improve the kinetic condition of in-situ formation of WCp. The gaps among WCp synthesized play a role of the filter which can lower the elements diffusive rate." @default.
- W2389279766 created "2016-06-24" @default.
- W2389279766 creator A5045430998 @default.
- W2389279766 date "2010-01-01" @default.
- W2389279766 modified "2023-09-24" @default.
- W2389279766 title "In-Situ SYNTHESIS OF WC PARTICLES VIA ELECTROMAGNETIC FIELD" @default.
- W2389279766 hasPublicationYear "2010" @default.
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