Effect of Beryllium Bead Raw Material and Smelting Process on Yield of Beryllium Ingots AITranslate

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Chinese Library Classification Number:TF824[冶金工程—有色金属冶金]

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Vacuum induction smelting experiments were carried out using beryllium beads with different magnesium contents and different particle size ratios,and the effect of the chemical composition and particle size of the beryllium beads on the yield of beryllium ingots was investigated.Based on the long-term accumulated production experience,the influences of design and manufacture of beryllium oxide crucible,control of smelting power,smelting vacuum,casting temperature and speed on the yield of beryllium ingots are discussed.The experimental results show that the beryllium ingot yield is increased by 5%~8% on ave-rage,by strictly controlling the magnesium content(<0.8%)of the raw beryllium beads,scientifically matching the particle size of beryllium beads and reasonably arranging the furnace loading sequence,carefully designing and manufacturing beryllium oxide crucibles,and controlling the smelting power,vacuum,casting temperature and speed.