基于手糊铺层工艺的碳纤维复合材料翼梁设计与试验验证

doi:10.11896/cldb.24120214

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Abstract As the primary load-bearing component of the wing structure, the structural design of the wing spar plays a key role in the load-bearing capacity of the wing. Considering the performance requirements, molding process, and cost factors of the composite materials, the selection of composite materials was based on the principle of material selection. The basic mechanical properties of the materials were obtained through experiments, which laid the foundation for the optimized design of the wing spar. In response to the design requirements of the wing structure, a composite I-beam was designed, which was suitable for high-aspect-ratio wings. The layup thickness and sequence of the composite wing spar were designed by establishing a finite element model, and the strength of the wing spar structure was checked by using the Tsai-Wu criterion. The load-bearing capacity of the wing spar formed by hand lay-up process was verified through the static test, and the finite element model was also validated. The test results showed that the wing spar structural design met the design load requirements, and there was good consistency between the simulation and test results, indicating that the parameter settings for the static analysis of the wing were basically reasonable. This provided a basis for the subsequent weight reduction design of the wing spar structure.

Key words： hand lay-up carbon fiber wing spar design simulation analysis experimental validation

Published: 25 March 2026 Online: 2026-04-03

CLC number:

V224

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	Articles by authors
	LIU Fujia
	LI Qunfang
	GENG Hao
	MA Gang
	GUO Han

Cite this article:

LIU Fujia,LI Qunfang,GENG Hao, et al. Design and Experimental Verification of Carbon Fiber Composite Spar Based on Hand Lay-up Process[J]. Materials Reports, 2026, 40(6): 24120214-6.

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https://www.mater-rep.com/EN/10.11896/cldb.24120214 OR https://www.mater-rep.com/EN/Y2026/V40/I6/24120214

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