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鎢釔電極

鎢釔電極在焊接時,弧束細長,壓縮程度大,在中、大電流時其熔深比較大目前主要應用于軍事工業和航空航天工業。 在鎢中摻雜氧化鋯,生產鎢鋯電極。具體數據如下表:

電極名稱 牌號 摻雜質 摻雜量% 其他雜質量% 鎢% 電子逸出功 色標涂頭
釔鎢電極 WY20 Y2O3 1.8-2.2 <0.20 余量 2.0-3.9

 

 


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