轻质高强复合材料网格加筋壳体结构设计方法及力学性能研究进展

Research progress on structural design methods and mechanical properties of lightweight high⁃strength composite lattice stiffened shell structure

轻质高强复合材料网格加筋壳体结构因其卓越的比强度、比刚度及设计灵活性,被广泛应用于航空航天领域。其制备工艺涉及纤维缠绕、模压和嵌锁等多种技术,确保结构的精确性与稳定性。概述了其制备工艺(纤维缠绕、模具热压及嵌锁成型)及力学性能表征方法,包括静力学失效模式、极限载荷及动力学模态振型分析。此外,综述了航空航天领域复合材料多功能化的最新研究进展,并展望了其未来发展趋势,旨在为相关领域的研究与应用提供有价值的参考。

Lightweight high-strength composite lattice stiffenedshell structureis widely used in aerospace due to its unique advantages of high specific strength,high specific stiffness and strong design ability.The preparation process involves various techniques such as fiber winding,molding,and locking,ensuring precision and stability in the struc⁃tures.This paper outlines the preparation techniques and mechanical performance characterization methods,encom⁃passing static failure modes,ultimate loads,and dynamic modal shape analysis.Furthermore,it provides a compre⁃hensive review of the latest research advancements in the multi-functionalization of composite materials in the aero⁃space field,and offers insights into the future development trends,to provide valuable references for research and ap⁃plications in related domains.