A comparison of multi-scale 3D X-ray tomographic inspection techniques for assessing carbon fibre composite impact damage

被引：144

作者：

Bull, D. J. ^{[1
]}

Helfen, L. ^{[2
]}

Sinclair, I. ^{[1
]}

Spearing, S. M. ^{[1
]}

Baumbach, T. ^{[2
]}

机构：

[1] Univ Southampton, Mat Res Grp, Fac Engn & Environm, Southampton, Hants, England

[2] Karlsruhe Inst Technol, ANKA Inst Synchrotron Radiat, D-76021 Karlsruhe, Germany

来源：

COMPOSITES SCIENCE AND TECHNOLOGY | 2013年 / 75卷

基金：

英国工程与自然科学研究理事会;

关键词：

Carbon fibres; Delamination; Impact behaviour; Non-destructive testing; X-ray computed tomography; RADIATION COMPUTED LAMINOGRAPHY; SYNCHROTRON; FRACTURE; CT;

D O I：

10.1016/j.compscitech.2012.12.006

中图分类号：

TB33 [复合材料];

学科分类号：

摘要：

Tomographic imaging using both laboratory sources and synchrotron radiation (SR) was performed to achieve a multi-scale damage assessment of carbon fibre composites subjected to impact damage, allowing various internal damage modes to be studied in three-dimensions. The focus of this study is the comparison of different tomographic methods, identifying their capabilities and limitations, and their use in a complementary manner for creating an overall 3D damage assessment at both macroscopic and microscopic levels. Overall, microfocus laboratory computed tomography (mu CT) offers efficient routine assessment of damage at mesoscopic and macroscopic levels in engineering-scale test coupons and relatively high spatial resolutions on trimmed-down samples; whilst synchrotron radiation computed tomography (SRCT) and computed laminography (SRCL) offer scans with the highest image quality, particularly given the short acquisition times, allowing damage micromechanisms to be studied in detail. (c) 2012 Elsevier Ltd. All rights reserved.

引用

页码：55 / 61

页数：7

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