X-ray damage characterisation in self-healing fibre reinforced polymers
X-ray damage characterisation in self-healing fibre reinforced polymers
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DOI：
10.1016/j.compositesa.2011.12.020
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发表时间：
2012-04-01
影响因子：
8.7
通讯作者：
Bond, I. P.
中科院分区：
文献类型：
--
作者：
McCombe, G. P.;Rouse, J.;Bond, I. P.
要实现先进复合结构的自主修复，需要详细了解要修复的损伤情况。量化损伤量并绘制其全厚度位置是确保交付基础设施能够为关键位置提供足够的修复，同时最大化覆盖范围和最小化结构成本的关键。在这项研究中，使用微 X 射线计算机断层扫描 (mu CT) 来确定准各向同性碳纤维增强塑料 (CFRP) 层压板在低速冲击下的损伤体积。该层压板在第 3 或第 13 界面处加入了一层中空玻璃纤维 (HGF)，以提供自修复剂。 mu CT 数据分析表明，插入界面 3（靠近背面）的 HGF 改变了全厚度损伤图，同时两个界面处 HGF 的可视化表明 HGF 断裂程度较低。 (c) 2011 Elsevier Ltd. 保留所有权利。
Realising autonomous healing in advanced composite structures requires a detailed understanding of the damage profile to be repaired. Quantifying the damage volume and mapping its through-thickness location is key to ensuring that the delivery infrastructure can supply sufficient healing to critical locations whilst maximising coverage and minimising structural cost. In this study micro-X-ray computer tomography (mu CT) was used to determine the damage volume in quasi-isotropic carbon fibre reinforced plastic (CFRP) laminates subjected to low velocity impacts. The laminates incorporated a layer of hollow glass fibres (HGFs) at either the 3rd or 13th interface for the purpose of delivering a self-healing agent. Analysis of the mu CT data indicated that HGF inserted at interface 3 (near back face) altered the through-thickness damage map whilst visualisation of the HGF at both interfaces indicated low levels of HGF fracture. (c) 2011 Elsevier Ltd. All rights reserved.