Axial splitting of empty and foam-filled circular composite tubes – An experimental study

• Autorzy: Rezaei B. , Niknejad A. , Assaee H. , Liaghat G. H.

Identyfikatory

DOI

10.1016/j.acme.2014.09.003

• Języki publikacji: EN

Abstrakty

EN

This paper studies the effects of polyurethane foam-filler on the axial splitting process of circular composite tubes under the axial quasi-static loading, experimentally. A shear mode of failure in circular composite tubes is initiated by crushing the tube onto a conical die to absorb the energy. The effects of conical die angle, number of fiber fabric layers, resin type and also, diameter and fiber fabric type of the tubes on axial load, energy absorption and specific absorbed energy by the structure are studied. Experimental results show that the polyurethane foam-filler increases energy absorption capability by the tubes. Also, it is found that in the investigated domain, composite tubes with smaller diameters are better energy absorbers, comparing with the composite tubes with larger diameters. Experiments show that foam-filled circular tubes under the axial compression in the splitting process works as good energy dissipater.

Słowa kluczowe

EN

axial compression; composite tube; conical die; energy absorption; splitting process

PL

ściskanie osiowe; rura kompozytowa; matryca stożkowa; absorpcja energii

• Wydawca: Springer ; Wrocław University of Science and Technology
• Czasopismo: Archives of Civil and Mechanical Engineering
• Rocznik: 2015
• Tom: Vol. 15, no. 3
• Strony: 650--662
• Opis fizyczny: Bibliogr. 17 poz., rys., wykr.

Twórcy

autor

Rezaei B.

• Mechanical Engineering Department, Yasouj University, P.O. Box 75914-353, Yasouj, Iran

autor

Niknejad A.

• Mechanical Engineering Department, Yasouj University, P.O. Box 75914-353, Yasouj, Iran

autor

Assaee H.

• Mechanical and Aerospace Engineering Department, Shiraz University of Technology, Shiraz, Iran

autor

Liaghat G. H.

• Mechanical Engineering Department, Tarbiat Modares University, P.O. Box 14115-143, Tehran, Iran

Bibliografia

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