Method for Producing Tungalloy Bar for Use in Electrode

The invention belongs to a production method for tungsten alloy for electrode use, including: preparation of rare earth nitrate solution, preparation of rare earth doped with blue tungsten, reducing, preparingunburnt earthenware, sintering and vertically melting. The method takes blue tungsten with large specific surface, developed surface cracks as raw materials, dissolves high purity rare earthnitrate in deionized water as additives; in the production process, slurry evaporation drying methods adopts low temperature agitation evaporation, then higher temperature evaporation for drying to avoid segregation caused by rapid doping precipitation by the direct use of high-temperature drying; Blue-doped tungsten and tungsten powder has loose particles with particle size consistent with mormal, good formability and good sintering properties and physical properties for follow-up processing.

The method has the advantages of advanced technology, reliablity, short process, uniform distribution of rare earth and stable quality, good machining properties and functional performance and can be used for large-scale industrialized production, and other characteristics. The method overcomes frauds of the technical background doping effect and the quality of stability, moldability, downstream processing and poor functional performance ills.




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