Journal
MATERIALS & DESIGN
Volume 50, Issue -, Pages 140-148Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.matdes.2013.01.046
Keywords
Carbon fiber reinforced polymer; High velocity impact behavior; Energy absorption efficiency; Numerical model
Categories
Funding
- National Science Foundation of China [11202059]
- Major State Basic Research Development Program of China (973 Program) [2011CB610303]
- Fundamental Research Funds for the Central Universities [HIT. NSRIF. 2010069]
- Natural Science Foundation of Heilongjiang Province, China [A201204]
- Specialized Research Fund for the Doctoral Program of Higher Education of China [2011230211006]
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In this paper, response of carbon fiber reinforced polymer (CFRP) laminates subjected to high velocity impact has been investigated by experimental and numerical methods. Experiments using a two-stage light gas gun were conducted to investigate the impact process and to validate the finite element model. The energy absorption efficiency (EAE) of CFRP laminates with different thickness was investigated. According to the results of experiments and numerical calculations, thin CFRP laminates have a good EAE under relative higher velocity impact; by contraries, a superior EAE is displayed in thick laminates under relative lower velocity impact. Subsequently, EAE of CFRP laminates was compared with that of 304 stainless-steel plates. In a specific impact velocity range, EAE of CFRP laminates is higher than that of 304 stainless-steel. Thus, CFRP laminates have a potential advantage to substitute the metal plates to be used in high velocity impact resistance structures under a specific impact velocity range. (c) 2013 Elsevier Ltd. All rights reserved.
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