仿生螺旋排列纤维增强复合材料的结构特性分析方法

By constructing a structural characteristic analysis method for biomimetic helical fiber-reinforced composite materials, the brittleness problem of UV-curable resins was solved, the fracture performance of composite materials was improved and the structural parameters were optimized, and the toughness and strength of the materials were significantly enhanced.

CN122021084BActive Publication Date: 2026-07-17HUNAN ELECTRICAL COLLEGE OF TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
HUNAN ELECTRICAL COLLEGE OF TECH
Filing Date
2026-04-16
Publication Date
2026-07-17

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Abstract

本发明公开了仿生螺旋排列纤维增强复合材料的结构特性分析方法，包括S1：建立单层复合材料的连续介质力学模型，计算沿纤维方向的弹性模量、横向弹性模量和剪切模量；S2：建立多层螺旋层合结构的断裂能预测模型；S3：建立偏轴拉伸条件下的极限拉伸强度预测模型；S4：建立多层螺旋层合结构的等效刚度计算模型；S5：制备具有不同纤维取向角度和铺层数量的复合材料样品；S6：进行力学性能测试；S7：修正模型参数；S8：预测不同结构参数下的力学性能，确定最优结构参数。本发明通过构建断裂能叠加模型，实现对螺旋层合结构力学性能的定量预测和参数优化，并基于该方法设计具有优异断裂性能的复合材料。
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