复合材料结构修复的磨削分析

IF 7.7 2区材料科学 Q1 MATERIALS SCIENCE, COMPOSITES

Composites Communications Pub Date : 2025-06-18 DOI:10.1016/j.coco.2025.102506

Laibin Zhang , Yubo Zhao , Guowen Wang , Hailong Yang , Jian Zhou , Shanyong Xuan , Xuefeng Yao

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引用次数: 0

摘要

磨削是复合材料修复过程中的关键工序，磨削参数对修复结构的完整性有重要影响。采用有限元方法研究了磨削路径和关键工艺参数（转速、进给深度、面内旋转周期）对复合材料丝巾修复损伤的影响。结合Hashin破坏准则和渐进损伤模型，建立了模拟阶梯磨削的三维有限元模型。发现由外到内的磨削路径引起的结构损伤和分层较小。利用响应面法（RSM）建立了磨削损伤预测模型（等效损伤面积），并对工艺参数进行了优化。确定的最佳条件为旋转速度为3439.82 r/min，进料深度为0.1065 mm，面内旋转周期为4.03 s，预测损伤面积最小为745.36 mm2。这些研究结果为优化复合材料结构修复的磨削工艺以提高修复后的性能提供了有价值的指导。

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Grinding analysis of composite structure repair

Grinding is a critical process in the composite repair, and its grinding parameters significantly influence the repaired structure's integrity. This study investigates the effect of grinding path and key process parameters (rotation speed, feed depth, and in-plane rotation cycle) on damage in composite scarf repairs using finite element analysis. The 3D finite element model simulating ladder grinding was established, incorporating Hashin's failure criteria and a progressive damage model. The external-to-internal grinding path was found to induce less structural damage and delamination. Furthermore, response surface methodology (RSM) was employed to develop a predictive model for grinding-induced damage (equivalent damage area) and to optimize process parameters. The optimal conditions identified were a rotation speed of 3439.82 r/min, a feed depth of 0.1065 mm, and an in-plane rotation cycle of 4.03 s, which predictively minimized the damage area to 745.36 mm². These findings offer valuable guidance for optimizing grinding processes in composite structural repair to enhance post-repair performance.

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来源期刊

Composites Communications Materials Science-Ceramics and Composites

CiteScore

12.10

自引率

10.00%

发文量

340

审稿时长

36 days

期刊介绍： Composites Communications (Compos. Commun.) is a peer-reviewed journal publishing short communications and letters on the latest advances in composites science and technology. With a rapid review and publication process, its goal is to disseminate new knowledge promptly within the composites community. The journal welcomes manuscripts presenting creative concepts and new findings in design, state-of-the-art approaches in processing, synthesis, characterization, and mechanics modeling. In addition to traditional fiber-/particulate-reinforced engineering composites, it encourages submissions on composites with exceptional physical, mechanical, and fracture properties, as well as those with unique functions and significant application potential. This includes biomimetic and bio-inspired composites for biomedical applications, functional nano-composites for thermal management and energy applications, and composites designed for extreme service environments.