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Criterion for interlaminar strength of CFRP laminates toughened with carbon nanofiber interlayer
Arai, Masahiro
Matsushita, Kazutoshi
Hirota, Satoshi
Copyright© 2011 Elsevier Ltd.
Carbon fiber
Nanostructures
Interface/interphase
Mechanical testing
The criterion for the interlaminar strength of unidirectional carbon-fiber-reinforced plastic (CFRP) laminates is discussed. To evaluate the limit curve given by the relation between normal stress and shear stress on the fracture interface, two types of interlaminar strength tests were carried out using short beams of CFRP laminates. The criterion for the interlaminar fracture of the CFRP laminates was investigated in two-dimensional finite element analysis of the CFRP specimens. Interlayers made by carbon nanofiber were inserted between the prepregs of the CFRP laminates. A modified 'Tsai-Wu' criterion was employed to evaluate the critical curve of the interlaminar fracture of the CFRP laminates. The effect of the CNF interlayer on the criterion of the interlaminar strength of CFRP laminate is discussed in detail.
Article
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING. 42(7):703-711 (2011)
ELSEVIER SCI LTD
2011-07
eng
journal article
AM
http://hdl.handle.net/10091/17165
https://soar-ir.repo.nii.ac.jp/records/12361
https://doi.org/10.1016/j.compositesa.2011.01.005
10.1016/j.compositesa.2011.01.005
1359-835X
AA11069434
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
42
7
703
711
https://soar-ir.repo.nii.ac.jp/record/12361/files/CompA-Masahiro-Arai-Nov28.pdf
application/pdf
1.6 MB
2015-09-28