预浸带的快速热压接技术及其搭接性能研究

Abstract

Abstract: This paper introduces a fast-bonding system by a hot-press based on prepreg winding equipment, which is designed for the overlapping process of prepreg. Compared with the traditional hand-stitching method, the automatic hot-press technology is highly efficienct and ensures high quality. The bonding tension force in the overlap region is analyzed first. According to the viscous flow characteristics of polymer, the main factors that influence the boundary layer is analyzed from the viewpoints of thermodynamics and dynamics. Physical simulation tests are performed to analyze the factors of time, temperature and lap length, and suitable parameters are obtained for a fast-bonding system. The advantages of the system are verified in comparison with a hand-stitching experiment, This technique can find practical application.

Key words: prepreg winding, fast-bonding by hot-press, viscous flow, boundary layer, tensile shear strength

CLC Number:

V258
TB332

YAN Biao, XIAO Jun, WEN Liwei, SUN Cheng, SONG Qinghua. Study on Hot-press Fast-bonding Technology for Prepreg Winding and Its Lap Jointing Performance[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2012, 33(8): 1554-1560.

References

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Study on Hot-press Fast-bonding Technology for Prepreg Winding and Its Lap Jointing Performance

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