Abstract
On-orbit manufacturing is affected by space microgravity, high vacuum, large temperature variation, strong radiation and other environmental factors, which also puts forward new requirements for materials and process methods suitable for on-orbit manufacturing. This paper summarizes the current research status of different scholars on materials and technologies for on-orbit manufacturing. The main application scenarios and requirements of on-orbit manufacturing are analysed. The technical capability requirements under different application requirements are analysed. Then according to the material source, material use and manufacturability, the material system for in-orbit manufacturing is established. According to different technical requirements, the manufacturing technology system of on-orbit manufacturing is established. From the point of view of materials and technology, the key technical directions that should be broken through in on-orbit manufacturing are put forward. It can provide reference for the subsequent research on materials and process technology of on-orbit manufacturing.
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