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Dynamic Failure Behavior of Cylindrical Glass Fiber Composite Shells Subjected to Internal Blast Loading

[+] Author and Article Information
Qi Dong

Institute of Fluid Physics,
China Academy of Engineering Physics,
P.O. Box 919-101,
Mianyang 621999, China;
Institute of Chemical Materials,
China Academy of Engineering Physics,
P.O. Box 919-308,
Mianyang 621999, China
e-mail: dongqizju@hotmail.com

Penglai Wang

Institute of Fluid Physics,
China Academy of Engineering Physics,
P.O. Box 919-101,
Mianyang 621999, China
e-mail: 99297993@qq.com

Chenhong Yi

Institute of Fluid Physics,
China Academy of Engineering Physics,
P.O. Box 919-101,
Mianyang 621999, China
e-mail: 19512546@qq.com

Bayi Hu

Institute of Fluid Physics,
China Academy of Engineering Physics,
P.O. Box 919-101,
Mianyang 621999, China
e-mail: ecv_ifp@hotmail.com

1Corresponding author.

Contributed by the Pressure Vessel and Piping Division of ASME for publication in the JOURNAL OF PRESSURE VESSEL TECHNOLOGY. Manuscript received April 24, 2015; final manuscript received December 29, 2015; published online July 18, 2016. Assoc. Editor: Pierre Mertiny.

J. Pressure Vessel Technol 138(6), 060901 (Jul 18, 2016) (5 pages) Paper No: PVT-15-1076; doi: 10.1115/1.4032433 History: Received April 24, 2015; Revised December 29, 2015

The dynamic response of open-ended cylindrical glass fiber composite shells subjected to internal blast loading is studied in the current paper. The experimental observation on response characteristics of cylindrical glass fiber shells is presented, in which failure modes of composite structures are especially concerned. It is found that dynamic buckling may occur in the inner steel liner, which may consequently cause delamination and fiber fracture of the outer glass fiber shell and thus limits the blast loading resistant capability of glass fiber explosion containment vessels. The other failure mode is obvious circular plastic expansion of the inner steel liner and fiber fracture of the outer fiber shell. There exists an interesting case that hoop winding fibers fail but fibers with a winding angle do not fail, based on which the hybrid filament wound method for cylindrical composite containment vessels is proposed. The current study may contribute to further understanding on the design and application of glass fiber composite explosion containment vessels (CECVs).

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References

Figures

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Fig. 1

Shell 1 after detonation from 150 g HE

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Fig. 2

Shell 1 after detonation from 188 g HE

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Fig. 3

Shell 2 after detonation from 302 g HE

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Fig. 4

Shell 3 after detonation from 348 g HE

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Fig. 5

Shell 4 after detonation from 473 g HE

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Fig. 6

The sixth bending mode of a circular ring

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Fig. 7

High-speed photograph region of shell 2 under detonation from 302 g HE

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Fig. 8

Typical high-speed photograph records on the upper side of shell 2 under detonation from 302 g HE: (a) 52 μs, (b)100 μs, and (c) 164 μs

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