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Textile high-tech stable for aerospace


Textile high-tech stable for aerospace

2017/06/01 08:50
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At 19:41 on April 20, the "Tianzhou No. 1" cargo spacecraft was successfully launched into the spacecraft at the Wenchang Space Launch Site in Hainan, China by the "Long March 7". As the first cargo ship developed independently by China, "Tianzhou No.1" is the most popular "Courier Brother" in China. At 12:23 on April 22, it successfully completed the automatic rendezvous with "Tiangong No. 2" in space. Docking, implementation of propellant addition in orbit, breakthrough and master the key technologies of propellant on-track supplementation.


The "semi-rigid battery substrate glass fiber grid" (referred to as "semi-rigid fiberglass grid") developed by Chen Nanliang, director of the Engineering Research Center of the Industrial Textiles Department of the Department of Industrial Textiles of Donghua University, provides the "Tianzhou No.1" weaving. Energy-powered "glass wings."


It is understood that this is the success of the "Tiangong No.1" and "Tiangong No.2" flying, and the semi-rigid fiberglass grid has once again been successfully applied to the launch of the "Tianzhou-1" cargo spacecraft. To this end, the Eighth Research Institute of China Aerospace Science and Technology Corporation sent a thank-you letter to the research team of Donghua University in the first time after the successful launch of the cargo spacecraft. Thanks to the research personnel of Donghua for the launch of the "Tianzhou No.1". Related contributions.


The semi-rigid glass fiber mesh developed by Chen Nanliang is a high-density and high-quality warp knitted fabric produced by using glass fiber as raw material and warp knitting process. In order to overcome the requirements of general glass fiber in terms of strength, elongation, softness and other properties, it is difficult to meet the requirements of aerospace products. Chen Nanliang team cooperated with Nanjing Glass Fiber Research Institute to develop high strength, low elongation and high flexibility. Glass fiber guarantees the high quality of aerospace fabric from the source. With special glass fiber, the production process and weaving equipment have to be updated accordingly. Therefore, Chen Nanliang independently researched and developed the warp knitting technology into a circle theory, successfully developed a special warping process suitable for special glass fiber, and designed it by himself. Manufactured the first warp knitting machine for aerospace special glass fiber weaving in China.


From raw materials to craftsmanship to equipment, Chen Nanliang’s team’s independent innovation has never stopped. In order to further optimize the carrier structure of the battery windsurfing board, the Chen Nanliang team made the fiberglass fabric into a grid shape. According to Chen Nanliang, on the one hand, it can effectively help the battery windsurfing board to reduce the weight and make the whole aircraft more lightweight. On the other hand, the battery windsurfing board can carry out positive and negative double-sided power generation through the grid, and the power generation can be increased by 15 %.


Chen Nanliang said that although the research on semi-rigid fiberglass mesh material originated from the promotion of "Tiangong No.1" flying, but he and his team members still have a more ambitious goal, which is to promote China's warp knitting technology into the high-end Industrialization process in the field of technology applications. The "Tianzhou No.1" launched this time mainly uses the "semi-rigid battery substrate glass fiber grid" technology used in "Tiangong No. 2". "Based on a large number of experiments and practices in the previous period, our research technology in the field of spacecraft battery substrate attachment materials has been relatively mature. The application of relevant results in China's aerospace field has entered a stable supply period, and we will continue in the future. Adhere to scientific and technological innovation and make new contributions to the development of the aerospace industry and the construction of a space power." Chen Nanliang said.

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