FSW is extensively used in the space sector, benefiting from its high-quality welding, low deformation, and suitability for lightweight materials. For liquid fuel tanks, FSW ensures sealing, reduces leakage risks, and enhances safety. It is used to manufacture satellite frames and casings, where welding lightweight alloys meets the stringent weight and strength requirements of satellites. It is also used in spacecraft panels and frames, reducing rivet use, lowering weight, and enhancing structural strength and fatigue performance. For engine mounts and casings, FSW performs excellently with high-temperature alloys, adapting well to the high-temperature and high-pressure environments of engines.
