Impact of the reinforcement technique on characteristics of composite tubular structures
Автор: Trifonova E.A., Zhukov A.V., Savitsky V.V., Batrakov V.V.
Журнал: Сибирский аэрокосмический журнал @vestnik-sibsau
Рубрика: Авиационная и ракетно-космическая техника
Статья в выпуске: 4 т.21, 2020 года.
Бесплатный доступ
Different composite elements including tubular structures are used as support structures in spacecraft optical systems. The compliance with the specified dimensional stability over a wide temperature range, in particular from -269 up to 100 °C, is important for the design of tubular structures. The promising method of manufacturing tubular structures of CM - radial braiding combined with RTM molding method is discussed in this paper. In addition, the paper describes the method of determining the optimal reinforcement technique for a braided perform which allows to reduce geometrical deflections occurring during a molding process. The impact of the reinforcement technique on the dimensional stability of tubular structures is illustrated in this paper by the example of several reinforcement techniques and manufacturing methods. The paper also contains the analysis of these techniques and the determination of the optimal one to comply with the specified characteristics.
Dimensional stability, composite materials, reinforcement technique, preform
Короткий адрес: https://sciup.org/148322003
IDR: 148322003 | DOI: 10.31772/2587-6066-2020-21-4-535-547
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