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- W2384270802 abstract "Geometric size and physical parameters were the main factors of dynamic mechanical property of closed cell Al-Si foam materials.Using experimental method of concussion,the law of the influence of energy-absorption ability by geometric size and physical parameters was studied after eliminating the own effect of size.The research results are as follows:(1)With increase of the height of materials,the strain and absorbing energy value decrease,and it leads to wall burst and the overall instability or failure.The reasonable height-width ratio are 1.0～1.5 and 1.0～2.0 for cube and cylinder specimens,respectively.(2)As the increase of the diameter,the compressive strength improves,and the strain values decrease.However,the diameter has a certain boundaries,the suitable height-width ratio are 1.0 for cube and cylinder.(3)The bigger of the density,the larger of the compressive strength,but the peak reduce quickly.With the increase of porosity and diameter,the smaller the compressive strength value,and also it easy leads to destroy.(4)Contrasted by the results,the best physical parameters of density,porosity and diameter are 0.35～0.70g/cm3,65%～87% and 1.0～4.0mm,respectively." @default.
- W2384270802 created "2016-06-24" @default.
- W2384270802 creator A5049854957 @default.
- W2384270802 date "2012-01-01" @default.
- W2384270802 modified "2023-09-22" @default.
- W2384270802 title "Absorbing Energy Analysis on Performance of Closed Cell Al-Si Foam Materials Considered by Geometric Size and Physical Parameters" @default.
- W2384270802 hasPublicationYear "2012" @default.
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