id	keyword
fis-2259	sandwich
fis-2259	impact
fis-2259	materials
fis-2259	mm2
fis-2259	doi
fis-2259	composite
fis-2259	tests
fis-2259	properties
fis-2259	bending
fis-2259	carbon
fis-2259	energy
fis-2259	specimen
fis-2259	model