The solar wing is an important component to ensure the power source of the spacecraft. Because it also needs to adapt to the rocket launch requirements, the solar wing is made of lightweight and efficient materials.

Recently, from the China Aerospace Science and Technology Corporation's five hospitals 508, good news, the Shenzhou spacecraft power subsystem passed the review, which also means that the domestic solar wing substrate and connecting frame passed the identification test of the whole wing, followed by the positive The development of sample products.

According to reports, scientific research personnel have been continually optimizing process parameters and improving operation methods in response to the characteristics of domestic carbon fiber, which has poor processability and easy damage. The establishment of a complete set of process plans for domestic carbon fiber, the appearance quality of carbon fiber parts developed, Dimensions, internal quality and mechanical properties meet the design specifications.

In view of the small size of the domestic aluminum honeycomb core, the institute has carried out technical transformation with the supplier, breaking through the technical bottleneck of large-size, high-performance aluminum honeycomb core production in a short time, and quickly realized the domestic honeycomb core. No splicing application in the substrate.

Due to the application of localized materials, the structural mechanical properties of the products have changed. Under the same mechanical environment, the local stress of the connecting frame has changed. Therefore, the institute actively cooperates with the design unit to carry out structural optimization and simulation, and improves the process method for structural changes, which reduces the defect level of the product and the incidence of non-conforming products, improves the mechanical bearing capacity of the product, and ensures subsequent The mechanical test passed smoothly.

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