The Structural Analysis Of A Light-Weight Aluminum Foam Core Mirror

Author(s):  
W. Pollard ◽  
D. Vukobratovich ◽  
R. Richard
Metals ◽  
2011 ◽  
Vol 1 (1) ◽  
pp. 98-112 ◽  
Author(s):  
Vincenzo Crupi ◽  
Gabriella Epasto ◽  
Eugenio Guglielmino

2012 ◽  
Vol 585 ◽  
pp. 34-38 ◽  
Author(s):  
Manmohan Dass Goel ◽  
Laxminarayan Krishnappa

Modeling and numerical simulation of aluminum foam filled square tubes under axial impact loading is presented. The foam-filled thin-walled square tubes are modeled as shell wherein, foam core is modeled by incorporating visco-elastic plastic foam model in Altair® RADIOSS. Deformation and energy absorption studies with single, bi-tubular, and multi-tube structure with and without aluminum foam core are carried out for assessing its effectiveness in crashworthiness under the identical conditions. It is observed that the multi-tube structure with foam core modify the deformation modes considerably and results in substantial increase in energy absorption capacity in comparison with the single and multi-tube without foam core. Moreover, the multi-tube foam filled structure shows complicated deformation modes due to the significant effect of stress wave propagation. This study will help automotive industry to design superior crashworthy components with multi-tube foam filled structures and will reduce the experimental trials by conducting the numerical simulations.


2013 ◽  
Vol 477-478 ◽  
pp. 1432-1439
Author(s):  
Sheng Gui Chen ◽  
Hai Bin Chen ◽  
Zhen Zhong Sun ◽  
Rong Yong Li ◽  
Wei Feng He ◽  
...  

The U-bending process of aluminum foam sandwich (AFS) is investigated, and a punch bending test is carried out in this paper. We discussed the bending deformation mode and generated the load & stroke curve of AFS panel by experiments. Macroscopic and microscopic punch forming mechanisms of AFS panels are analyzed by testing experiments and plasticity theory. We study the major deformation defects of AFS forming such as the delamination between the panel and the foam core, the excessive thinning of panels in the round corner, and shear stress cracks of the foam core. A conclusion is drawn on the panels variable blank holder force (VBHF) and the striking block control on the round corner, which would promote the forming technology of AFS.


2005 ◽  
Vol 409 (1-2) ◽  
pp. 292-301 ◽  
Author(s):  
Kapil Mohan ◽  
Yip Tick Hon ◽  
Sridhar Idapalapati ◽  
Hong Pheow Seow

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