Strain rate sensitivity of a closed-cell aluminum foam

By A. Paul, U. Ramamurty. 2000

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Dynamic compressive behaviour of cellular materials: A review of phenomenon, mechanism and modelling (2018, neutral): “For many cellular materials compressed in the transitional dynamic regime, more energy can be dissipated when strain-rate increases [104, 107, 112, 131, 146], which are usually associated with the increases in plateau stress and/or densification initiation strain with the increase of strain-rate.”
Compressive Strain at the Onset of Densification of Cellular Solids (2006, methodology): “The values of the onset strain of densification are 0.56 using Method-I and 0.575 using the efficiency method, as shown in Table 10, where the plateau stress based on Equation (9) is also compared with the one given in [6].”
Experimental investigation of energy-absorption characteristics of components of sandwich structures (2007, background): “Shock-wave propagation in metal foams has been examined by Lopatnikov et al. [20,21], Deshpande and Fleck [22,23], and Paul and Ramamurty [24].”
A numerical study on the rate sensitivity of cellular metals (2009, methodology): “Brand Material Relative density Processing method Strain-rate effects References ALPORASTM Al, (Ca, Ti, Fe) 0.08–0.1 Batch casting sensitive Paul and Ramamutry (2000) ALPORASTM Al, (Ca, Ti, Fe) 0.106/0.155 Batch casting sensitive Mukai et al. (2006) ALPORASTM Al, (Ca, Ti, Fe) 0.074/ 0.15 Batch…”