FIELD: manufacturing technology.
SUBSTANCE: invention relates to composite articles. Described is a composite film comprising: non-weakened portion (140); and weakened part (160), having at least one characteristic of such characteristics as tensile strength, tensile modulus and ultimate deformation, which is worse than non-weakened part (140) characteristic, wherein film is corrugated film (204), having corrugated shape cross section.
EFFECT: improved ballistic characteristics of the composite structure.
9 cl, 25 dwg
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