气囊内胀法制备发动机复合壳体的技术研究

doi:10.19936/j.cnki.2096-8000.20260728.016

摘要/Abstract

摘要： 为了保证两端收口复合壳体的内部质量,采用斜带平叠螺旋缠绕和气囊内胀法进行制备。通过试验测试黏合后的斜带性能来确定黏合参数,设计斜带缠绕模型并推算斜带变形量来确定缠绕参数,选择不同气囊压力进行试验和测试,对比样件的性能差异。结果表明,斜带黏合的优选时间为1 s,黏合温度为80~90 ℃,缠绕时斜带最大变形量控制在10 mm左右,气囊压力为3 MPa时,制备的内绝热壳体内部质量最优。

关键词: 气囊内胀法, 带缠绕, 复合材料

Abstract: In order to ensure the internal quality of the composite shell with both ends reduced, the method of lap spiral winding and inflatable bladder was used to prepare the composite shell. The bonding parameters were determined by testing the performance of the bonded inclined tape through experiments. The winding mode of the inclined tape was designed and the deformation of the inclined tape was calculated to determine the winding parameters. Different pressures were selected for experiments and tests, and the quality of samples was compared. The results show that the preferred bonding time of the inclined tape is 1 s, the bonding temperature is 80~90 ℃, the maximum deformation of the inclined tape is controlled at about 10 mm during winding, and the pressure of the bladder is 3 MPa, the internal quality of the prepared inner insulated shell is the best.

Key words: inflatable bladder molding, tape winding, composite materials

中图分类号:

TB332

李世成, 周琳赟, 史文锋, 王志远, 李来福. 气囊内胀法制备发动机复合壳体的技术研究[J]. 复合材料科学与工程, 2026, 0(7): 134-140.

LI Shicheng, ZHOU Linyun, SHI Wenfeng, WANG Zhiyuan, LI Laifu. Technical study on preparation of engine composite shell by inflatable bladder molding[J]. COMPOSITES SCIENCE AND ENGINEERING, 2026, 0(7): 134-140.

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