Fig. 11 | Scientific Reports

Fig. 11

From: Combustion and mechanical properties enhancement strategy based on stearic acid surface activated boron powders

Fig. 11

SEM images of the tensile fracture surfaces for HTPB matrix composite materials are presented, illustrating the distribution of (a) B particles at a 20% mass loading, (b) B particles at a 35% mass loading, (c) SA@B composite particles at a 20% mass loading, (d) SA@B composite particles at a 35% mass loading, and (e) SA@B composite particles at a 50% mass loading.

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