Tianjin University of Technology’s high-performance textile composite materials help “Chang’e” fly to the moon
my country’s first lunar exploration satellite “Chang’e-1” was successfully launched yesterday (24th). In the development of lunar exploration satellites and national defense construction, scientific researchers from Tianjin universities also made a contribution. The three-dimensional braided composite integral connectors for satellite space truss structures developed by the Composite Materials Research Institute of Tianjin University of Technology are used on the “Chang’e-1” satellite. This research result won the first prize of the 2006 China Textile Industry Association Science and Technology Progress Award.
Professor Li Jialu, director of the Composite Materials Research Institute of Tianjin University of Technology, who is responsible for the development of “three-dimensional braided composite integral connectors for satellite space truss structures”, said that because satellites are far away from the earth, difficult to control, and the space environment is harsh, Each component of the satellite must have excellent performance and reliability. This satellite space truss is the support device of the satellite engine. It requires light materials, reliable quality, and good stability. It is also a component with a very complex structure. Therefore, it is difficult to research and manufacture, and there is no foreign information to learn from. To manufacture three-dimensional braided composite integral connectors for satellite space truss structures, a special three-dimensional braiding process must first be used to weave carbon fiber into a contoured composite reinforcement, and then a special process is used to inject resin, and then solidify and form. The entire development process of the finished product took nearly 4 years.
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