Figure 7

FE-SEM images of SFP layer by 20 spray passes (a,b); hot compressed SFP layer (c,d); and cross sectional images of compressed SFP layer (e).
FE-SEM images of SFP layer by 20 spray passes (a,b); hot compressed SFP layer (c,d); and cross sectional images of compressed SFP layer (e).