It is the core point to accomplish the brazing LY12 alloy well at middle-range temperature that the improved CsF-AIFs non-corrosive flux can remove easily the complicated oxide film on the surface of LY12 aluminum alloy.

• 改进型CsF-AlF_3无腐蚀性钎剂能很好的去除LY12铝合金表面氧化膜，是实现LY12铝合金中温钎焊连接的技术关键。