Tungsten Electrode Manufacturing Method of The Invention of Cerium

Cerium tungsten electrode material is a non -radioactive, non- consumable refractory metal electrode material , applied to the inert gas-shielded arc welding , plasma welding , cutting, coating and smelting , the laser light source and the gas discharge light source technologies such as the electrode , and a vacuum electron beam coating cathode filaments , etc. The present invention uses powder metallurgy process , strict control of process parameters, to prepare a cerium oxide content of 1.0 to 4.5 % cerium tungsten electrode material , thus overcoming long as people think cerium oxide containing more than 1.0 % cerium tungsten electrode material embrittlement problem occurs .

Cerium tungsten electrode material manufacturing methods and equipment belonging to the field of chemical and metallurgical techniques . The first aspect of the present invention is to use liquid - liquid mixing replace the existing liquid - solid mixing , the additive , tungsten ceria group in the most uniform dispersion , thus greatly improving the processing of the tungsten electrode material Ce properties and performance ; second aspect of the present invention is to replace the existing spray- drying and evaporation of the mixing disc drying , the tungsten powder particle size , particle size distribution and particle shape can be controlled , thereby ensuring the processing performance , easy , continuous and automatic and mass production . Cerium tungsten electrode material for the promotion and application of the foundation.


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