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Proceedings Paper

High-speed imaging on static tensile test for unidirectional CFRP
Author(s): Hideaki Kusano; Yuichiro Aoki; Yoshiyasu Hirano; Yasushi Kondo; Yosuke Nagao
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Paper Abstract

The objective of this study is to clarify the fracture mechanism of unidirectional CFRP (Carbon Fiber Reinforced Plastics) under static tensile loading. The advantages of CFRP are higher specific stiffness and strength than the metal material. The use of CFRP is increasing in not only the aerospace and rapid transit railway industries but also the sports, leisure and automotive industries. The tensile fracture mechanism of unidirectional CFRP has not been experimentally made clear because the fracture speed of unidirectional CFRP is quite high. We selected the intermediate modulus and high strength unidirectional CFRP laminate which is a typical material used in the aerospace field. The fracture process under static tensile loading was captured by a conventional high-speed camera and a new type High-Speed Video Camera HPV-1. It was found that the duration of fracture is 200 microseconds or less, then images taken by a conventional camera doesn't have enough temporal-resolution. On the other hand, results obtained by HPV-1 have higher quality where the fracture process can be clearly observed.

Paper Details

Date Published: 10 February 2009
PDF: 9 pages
Proc. SPIE 7126, 28th International Congress on High-Speed Imaging and Photonics, 71260W (10 February 2009); doi: 10.1117/12.821752
Show Author Affiliations
Hideaki Kusano, Shimadzu Corp. (Japan)
Yuichiro Aoki, Japan Aerospace Exploration Agency (Japan)
Yoshiyasu Hirano, Japan Aerospace Exploration Agency (Japan)
Yasushi Kondo, Shimadzu Corp. (Japan)
Yosuke Nagao, Japan Aerospace Exploration Agency (Japan)


Published in SPIE Proceedings Vol. 7126:
28th International Congress on High-Speed Imaging and Photonics
Harald Kleine; Martha Patricia Butron Guillen, Editor(s)

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