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Tungsten is the dominant resources in China, and its reserves and consumption ranks the first place in the world. The tungsten electrode material, as an important manufacture of tungsten product, widely used in metal inert-gas welding, plasma welding, cutting, plasma spraying, is a kind of important industrial material [1]. The radioactive thorium tungsten electrode material is now gradually substituted by rare earth tungsten electrode material since it is excellent in thermal electron emission property. Through many years' study, we have mastered the key technology for the tungsten electrode material. After the extension and application of the key preparation technology, the authors group has developed the rare earth tungsten electrode materials and rare earth tungsten products, and the adjustment of industrial structure and upgrading of the product been realized. © 2016 Trans Tech Publications, Switzerland.
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