Cerium Tungsten Electrode Performance And Application

1970s Shanghai Bulb developed into cerium tungsten electrodes , then realized industrialization . Rare earth cerium than thorium (Th) has a higher electron emission features, but is a non- radioactive elements. Arc made ​​application performance comparison results : 2% ahead of Japan 2% cerium tungsten thorium tungsten, 4% better than 2% cerium tungsten, cerium tungsten ( No 4% thoriated tungsten electrode ) , specific performance: arc high compression , slender arc stability, energy concentration, arcing power or low voltage, arc breaking spacing, life doubled. 4% cerium tungsten electrodes applications , capturing the processing of cotton textiles shrink " shrink machine key components damping damping stick " plasma thermal spraying the surface finish of the storm , breaking the monopoly of foreign companies , foreign exchange value of the needle cotton greatly increased. Ministry of Geology research with platinum foil tube sealing technology, the requirements do not make the barrel of liquid volatile chemicals reduction of the problem, but also with 4% cerium tungsten electrodes only solution .

MEW already provides that where more than ten thousand kilowatts generator must Shanghai Bulb cerium tungsten electrodes welding , quality assurance. Defense with a laser device is life after cerium tungsten electrodes with thorium tungsten electrode from the original ten minutes , up to hundreds of hours of energy and light load efficiency is also improved, the battle to solve practical problems . 1982 China's offshore missile tests, foreign -made laser performance over competing devices , including cerium tungsten electrodes show a huge role . In addition, in beacon lights, road lights aircraft , fundus fluorescein camera lights , lamps and other lighting layout more than 140 kinds of gas discharge light source applied and achieved good results . Currently, 2% cerium tungsten electrodes have been included in the international standard , China has also developed a national standard cerium tungsten electrodes , so that the formation of the first in the world can replace thoriated tungsten series of international standards to add 1%, 2 %, 3% , 4% of the non-radioactive standard cerium tungsten electrodes .


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