Method for friction stir welding of high-strength aluminum alloy
A friction stir welding and aluminum alloy technology, which is applied in welding equipment, non-electric welding equipment, metal processing equipment, etc., can solve the problems of difficult to accurately control the heating and cooling process, inability to apply large structural parts, and complicated processing processes. The effect is stable and reliable, saving processing time and reducing the effect of the processing process
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[0030] Such as figure 1 As shown, a high-strength aluminum alloy friction stir welding method is used to process the 6mm thick 2219 high-strength aluminum alloy welded joints, which specifically includes: 4 pairs of high-strength aluminum alloy parts to be welded in the friction stir welding equipment 4 While the friction stir welding is being performed, the spray gun 5 of the cold spray equipment performs cold spray treatment on the welded part 2 synchronously, thereby forming a cold spray coating 3 at the welded joint of high-strength aluminum alloy.
[0031] Specifically, the stirring head 4 of the friction stir welding equipment and the spraying gun 5 of the cold spraying equipment are located on the same side of the high-strength aluminum alloy to be welded 1, the two are fixed together and the spraying gun 5 of the cold spraying equipment is located at the temperature behind the stirring head 4 The field is 400°C, and the two move synchronously, realizing the cold spray ...
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