Filler Metal
Filler metal is a metal that is added in the form of wire or rod during welding to join two pieces of metal together. In space and astronautical engineering, filler metal is used in various welding processes to repair or join metal components of spacecraft, satellites, and other space vehicles. The selection of filler metal depends on the type of base metal being welded, the welding process being used, and the specific application. Filler metal must be carefully chosen to ensure that it has the appropriate mechanical properties, such as strength and ductility, and that it is compatible with the base metal to prevent corrosion and other forms of degradation. In addition, filler metal must be able to withstand the extreme temperatures and vacuum conditions of space. Filler metal is an essential component in the construction and maintenance of space vehicles and plays a critical role in ensuring their structural integrity and longevity.
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