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模具用锌基合金钨极氩弧焊时 ,Zn的蒸发是难以解决的问题之一 ,通过试验发现 ,加入焊剂可减少Zn的蒸发。钨极氩弧焊焊剂应具有合适的熔点、较好的流动性和导电性等。研制的钨极氩弧焊焊剂经焊接性试验及焊接接头组织和性能检验 ,完全能满足锌基合金的焊接要求 ,且成本低。
Zinc alloy mold TIG welding, Zn evaporation is difficult to solve one of the problems found through the experiment, adding flux can reduce the evaporation of Zn. TIG welding flux should have a suitable melting point, good fluidity and electrical conductivity. Developed by TIG welding flux test and weld joint organization and performance testing, can fully meet the welding requirements of zinc-based alloys, and low cost.