Energy absorption analysis of square-circle hybrid section tubes under axial loading

2020 ◽  
pp. 1-16
Author(s):  
Bingquan Lu ◽  
Chuanliang Shen ◽  
Junyuan Zhang ◽  
Danfeng Zheng ◽  
Zhongyu Li
Keyword(s):  
Energy Absorption ◽  
Axial Loading ◽  
Absorption Analysis ◽  
Hybrid Section

Crush Response of Polyurethane Foam-Filled Aluminium Tube Subjected to Axial Loading

2014 ◽  
Vol 875-877 ◽  
pp. 534-541 ◽  
Author(s):  
Chawalit Thinvongpituk ◽  
Nirut Onsalung
Keyword(s):  
Energy Absorption ◽  
Polyurethane Foam ◽  
Testing Machine ◽  
Axial Loading ◽  
Asymmetric Mode ◽  
Pu Foam ◽  
Universal Testing ◽  
Collapse Mode ◽  
Empty Tube ◽  
Foam Filled

In this paper, the experimental investigation of polyurethane (PU) foam-filled into circular aluminum tubes subjected to axial crushing was presented. The purpose of this study is to improve the energy absorption of aluminium tube under axial quasi-static load. The aluminium tube was made from the AA6063-T5 aluminium alloy tubes. Each tube was filled with polyurethane foam. The density of foam was varied from 100, 150 and 200 kg/mP3P including with empty tube. The range of diameter/thickness (D/t) ratio of tube was varied from 15-55. The specimen were tested by quasi-static axial load with crush speed of 50 mm/min using the 2,000 kN universal testing machine. The load-displacement curves while testing were recorded for calculation. The mode of collapse of each specimen was analyzed concerning on foam density and the influence of D/t ratio. The results revealed that the tube with foam-filled provided significantly increment of the energy absorption than that of the empty tube. While the density of foam and D/t ratios increase, the tendency of collapse mode is transformed from asymmetric mode to concertina mode.

Attempts to improve energy absorption characteristics of circular metal tubes subjected to axial loading

2010 ◽  
Vol 48 (6) ◽  
pp. 379-390 ◽  
Author(s):  
S. Salehghaffari ◽  
M. Tajdari ◽  
M. Panahi ◽  
F. Mokhtarnezhad
Keyword(s):  
Energy Absorption ◽  
Axial Loading ◽  
Absorption Characteristics

BLOCK-BAR DEVICE FOR ENERGY ABSORPTION ANALYSIS

2001 ◽  
Vol 15 (3) ◽  
pp. 603-617 ◽  
Author(s):  
E. JACQUELIN ◽  
P. HAMELIN
Keyword(s):  
Energy Absorption ◽  
Absorption Analysis

Effect of polymer foam anisotropy on energy absorption during combined shear-compression loading

2017 ◽  
Vol 54 (3) ◽  
pp. 597-613 ◽  
Author(s):  
Yasmine Mosleh ◽  
Kelly Vanden Bosche ◽  
Bart Depreitere ◽  
Jos Vander Sloten ◽  
Ignaas Verpoest ◽  
...  
Keyword(s):  
Energy Absorption ◽  
Transverse Shear ◽  
Axial Loading ◽  
Expanded Polystyrene ◽  
Polystyrene Foam ◽  
Polymer Foam ◽  
Expanded Polystyrene Foam ◽  
Shear Loads ◽  
Loading Direction ◽  
Compression Behaviour

Polymeric foams are extensively used in applications such as packaging, sports goods and sandwich structures. Since in-service loading conditions are often multi-axial, characterisation of foams under multi-axial loading is essential. In this article, quasi-static combined shear-compression behaviour of isotropic expanded polystyrene foam and anisotropic polyethersulfone foam was studied. For this, a testing apparatus which can apply combined compression and transverse shear loads was developed. The results revealed that the shear and compression energy absorption, yield stress and stiffness of foams are dependent on deformation angle. The total energy absorption of the anisotropic polyethersulfone foam is shown to be direction dependent in contrast to isotropic expanded polystyrene. Furthermore, for similar relative density, polyethersulfone foam absorbs more energy than expanded polystyrene foam, regardless of deformation angle. This study highlights the importance of correct positioning of foam cells in anisotropic foams with respect to loading direction to maximise energy absorption capability.

An optical and energy absorption analysis of the solar compound parabolic collector photoreactor (CPCP): The impact of the radiation distribution on its optimization

2020 ◽  
Vol 395 ◽  
pp. 125065
Author(s):  
Raúl Acosta-Herazo ◽  
Patricio J. Valadés-Pelayo ◽  
Miguel A. Mueses ◽  
María H. Pinzón-Cárdenas ◽  
Camilo Arancibia-Bulnes ◽  
...  
Keyword(s):  
Energy Absorption ◽  
Absorption Analysis ◽  
Radiation Distribution ◽  
Parabolic Collector ◽  
The Impact
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