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在铝硅钎料中加入一定比例的锡和镓元素，具有改善接头组织形态、降低钎料熔点、提高钎料润湿铺展性、提高钎焊接头机械性能的作用，从而有效的改善了铝钛异种合金真空钎焊的工艺性能。
Addition of a certain proportion of tin and gallium elements to the Al-Si solder has the effect of improving the microstructure of the joint, lowering the melting point of the solder, improving the spreading wettability of the solder, and improving the mechanical properties of the solder joint, thereby effectively improving the quality of the Al-Ti Process performance of vacuum brazing of dissimilar alloys.