Experimental study on the axial crushing behaviour of pultruded composite tubes
作者： Sivakumar Palanivelu , Wim Van Paepegem , Joris Degrieck , Johan Van Ackeren , Dimitrios Kakogiannis
DOI: 10.1016/J.POLYMERTESTING.2009.11.005
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摘要: Abstract This paper presents an experimental investigation on the progressive deformation behaviour of uni-directional pultruded composite tubes subjected to axial impact load. Pultruded square and circular profiles with glass–polyester glass–vinylester combinations were used for this study. Two types triggering incorporated investigate effect energy absorption. All above investigated three different velocities (9.3, 12.4 14 m/s). The crushing peak mean load characteristics their failure modes are presented. To measure velocity force, a contactless method using digital image correlation technique was adopted. effects geometry profile, triggering, strain rate type resin absorption studied in detail.
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