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Table V.

Compressibility, volume of interstitial air, and porosity of SMP: DIC-texturing powder, rewetted powder, and classical spray-dried powder.

SMP χ (%) V ai (cm3·100 g−1) ε (%)
Classical spray-dried powder (control) 9.9 138.3 69
Rewetted powder at W = 13% db 3.43 135.9 67
HAP-DIC powder P = 0.57 MPa; W = 8% db; t = 44 s 13.17 149 71
HAP-DIC powder P = 0.57 MPa; W = 18% db; t = 16 s 14.47 144.5 71
STEAM-DIC powder P = 0.050 MPa; W = 13% db; t = 17 s 26.2 146 75