Trial Computation of Dynamic Axial Compression of Adhesive-Bonded Tubular Structure

Abstract:

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The dynamic axial compression of adhesive-bonded tubular structures with hat-shaped cross-section was numerically investigated using dynamic explicit finite element method. The numerically modeled Type I tubular structure consisted of a hat-shaped part and a flat plate. Type II consisted of two hat-shaped parts. The hat flange portion was assumed to be joined by adhesive bonding. The impact velocity of 10 m/s was given. Parametric computation was performed, where thicknesses of the plate and adhesive layer, and mechanical properties of the plate material were varied. As the result of computation, separation behavior of the hat flange portion was almost avoided for the case where the strength of plate material was lower. However, it was clearly observed for the higher strength material, though the plate was thin. The separation of the flange portion in Type I structure was more remarkable in comparison with that in Type II. The crush strength increased as the thickness of the adhesive layer thickened, when the plate thickness was thin and the strength was low. The Type II structure exhibited larger crush strength than that of Type I.

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Periodical:

Edited by:

S. Itoh, J.J. Yoh and K. Hokamoto

Pages:

253-258

DOI:

10.4028/www.scientific.net/MSF.673.253

Citation:

M. Yamashita et al., "Trial Computation of Dynamic Axial Compression of Adhesive-Bonded Tubular Structure", Materials Science Forum, Vol. 673, pp. 253-258, 2011

Online since:

January 2011

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$35.00

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