The appraisal committee that by 3 academician such as Chen Yun rich, country 13 experts such as Zhou Shaoxiong of group of expert of theme of technology of material of function of special type of domain of technology of 863 plans new material's group leader form thinks, technology of this project whole achieves international banner level. Main characteristic and innovation point system built the project now compound the model burning caustic of electrode of rare earth tungsten, explained electrode burns caustic mechanism, announced the action mechanism of multivariate and compound rare homebred unripe synergism, put forward to use rare land the composition of compound synergism designs a principle, hair palpability solders integratedly function excel is active of thorium tungsten electrode multivariate and compound electrode of rare earth tungsten; Explore is clear and multivariate pulverous to tungsten electrode metallurgy and plasticity machine rare earth the influence rule that waits for each preparation working procedure, development goes preparation multivariate the APT of electrode of rare earth tungsten is direct adulteration, big temperature gradient is reductive, low electric current hangs down the engineering technology such as frit agglomeration, the industry that formed electrode of rare earth tungsten manufactures technology; Compositive innovation development gives device of product line key, realized efficient production and process quality control, industrial production n is taller than electrode of active thorium tungsten 5% above, for the banner level that this kinds of material machines, built domestic and international first multivariate and compound product line of electrode of rare earth tungsten, year productivity achieves 120 tons.

Tungsten electrode is a kind of wide application solders at argon arc solder, plasma, the material of crucial heat source in technology of spray, cut and metallurgical industry, the whole world uses the total wastage of tungsten electrode every year to exceed 1600 tons. But 70% above remain the tungsten electrode that uses at present the thorium tungsten electrode that has radioactivity pollution, polluting environment and harm mankind health badly. "Multivariate and compound electrode of rare earth tungsten and its preparation technology " what own development gives the project is multivariate and compound material of electrode of rare earth tungsten, not only integral performance is superior, and because do not use radioelement thorium, the pollutes without radioactivity green that realized this domain is produced and use.