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Table 1 Young's modulus (E), Yield strength and Energy absorbed to yield for PU foam cylinders under compression

From: Compressive properties of commercially available polyurethane foams as mechanical models for osteoporotic human cancellous bone

9 mm Diameter PU Foam Cylinder Mean E(MPa) Median E(MPa) Mean Yield Strength (MPa) Median Yield Strength (MPa) Mean Energy Absorbed to Yield (kJ.m-3) Median Energy Absorbed to Yield (kJ.m-3)
0.09 g.cm-3 density foam       
   3.9 mm length 0.3 (0.2) 0.3 0.02 (0.01) 0.02 0.8 (0.6) 0.7
   7.7 mm length 0.7 (0.2) 0.7 0.04 (0.02) 0.03 1.5 (1.4) 1.2
0.16 g.cm-3 density foam       
   3.9 mm length 19 (3) 19 1.0 (0.1) 1.0 27.3 (10.0) 25.1
   7.7 mm length 41 (3) 42 1.1 (0.1) 1.1 10.6 (2.7) 10.8
0.32 g.cm-3 density foam       
   3.9 mm length 66 (13) 64 3.6 (0.5) 3.6 96.6 (47.9) 83.3
   7.7 mm length 145 (6) 146 3.3 (0.9) 3.7 26.5 (14.4) 30.3
  1. The figure in brackets following the mean is the standard deviation (SD).