Table 5: Metal-loaded formulations: regression rate and fuel mass flow rate percent differences at discrete values of oxidizer mass flux, compared to baseline.

Regression rate percent difference (%)
Oxidizer mass flux (kg/(m2s))
Formulation 40 60 80 100

HTPB + 2.5% MgH2 8.25 16.47 25.39 37.19
HTPB + 7.5% MgH2 2.19 8.13 14.48 22.72
HTPB + 2.8% MgB 31.90 37.00 42.33 49.10
HTPB + 2.27% Mg + 1.4% MgB 28.63 33.53 38.67 45.19
HTPB + 2.5% MgH2 + 1.4% MgB 19.70 20.55 21.42 22.48

HTPB + 10% ALEX + 2% C 2 2 . 5 7 3.58 38.87
HTPB + 10% ALEX + 2% TiO2 3 2 . 4 9 2 3 . 3 1 −12.80 1.96
HTPB + 10% L-ALEX 1 1 . 8 2 5 . 1 2 2.14
HTPB + 10% ALEX + 2% C + 2% Mg 0 . 1 5 1 5 . 9 0 34.67 61.67
HTPB + 5% MgH2 + 5% ALEX + 1% C 7 . 0 6 9 . 4 4 29.03

Fuel mass flow rate percent difference (%)
Oxidizer mass flux (kg/(m2s))
Formulation 40 60 80 100

HTPB + 2.5% MgH2 9.31 17.62 26.63 38.54
HTPB + 7.5% MgH2 5.09 11.21 17.73 26.21
HTPB + 2.8% MgB 34.20 39.39 44.82 51.70
HTPB + 2.27% Mg + 1.4% MgB 31.16 36.16 41.40 48.05
HTPB + 2.5% MgH2 + 1.4% MgB 21.79 22.66 23.54 24.63

HTPB + 10% ALEX + 2% C 1 6 . 5 1 1 1 . 6 9 49.74
HTPB + 10% ALEX + 2% TiO2 2 6 . 5 1 1 6 . 5 2 −5.08 10.99
HTPB + 10% L-ALEX 5 . 6 5 1 . 5 2 9.28
HTPB + 10% ALEX + 2% C + 2% Mg 9 . 3 5 2 6 . 9 1 47.47 77.04
HTPB + 5% MgH2 + 5% ALEX + 1% C 1 . 6 7 1 5 . 7 8 36.51