期刊
COMPOSITES SCIENCE AND TECHNOLOGY
卷 75, 期 -, 页码 55-61出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.compscitech.2012.12.006
关键词
Carbon fibres; Delamination; Impact behaviour; Non-destructive testing; X-ray computed tomography
资金
- EPSRC
- Cytec
- EPSRC [EP/H01506X/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/H01506X/1] Funding Source: researchfish
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.
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