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《Welding & Joining》 1996-12
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EFFECT OF GAS MIXTURES ON ARC BEHAVIOR AND DROP TRANSFER IN PULSE MAG WELDING PROCESS

Xing Li  
The arc static characteristics, the pulse variables and changing of critical variable to form spinning spray transfer are invested as welding is carried out with large current and different gas mixtures such as Ar+CO2 and Ar+O2. The results show that the static curve location depends on gas composition and its proportion.the high current value and easy forming for spinning spray transfer are obtained with Ar+2%O2gas mixture and on the contrary with Ar+20%CO2 gas the spinning spray transfer are not.
【CateGory Index】: TG403
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