【科技日报】我国实现太空金属3D打印

Core Insights - The successful delivery of the microgravity metal additive manufacturing return scientific payload by China Aerospace Science and Technology Corporation marks a significant milestone in China's space manufacturing capabilities [1] - This experiment represents China's first implementation of space metal additive manufacturing based on a rocket platform, transitioning from ground research to space engineering validation [1] Group 1: Experiment Details - The payload was developed by the Institute of Mechanics, Chinese Academy of Sciences, and was successfully launched on January 12, conducting China's first space metal additive manufacturing experiment [1] - The experiment utilized 3D printing technology to successfully fabricate metal components in a microgravity environment, achieving world-class technical standards [1] - Key technological breakthroughs were made in material stability transport and forming under microgravity conditions, closed-loop control throughout the process, and high-reliability collaboration between the payload and rocket [1] Group 2: Data and Outcomes - The experiment successfully collected process data in the microgravity environment, including characteristics of the molten pool, material transport, and solidification behavior [1] - Parameters such as the forming accuracy and mechanical properties of the metal components produced in space were also obtained, providing valuable experimental data for the rapid iteration of China's space metal additive manufacturing technology [1] - The successful completion of this experiment is expected to significantly advance China's space manufacturing technology and provide critical support for future space infrastructure development [1]