FIELD: composite materials.
SUBSTANCE: invention relates to the field of composite materials and concerns composite layered material for acoustic processing. Composite layered material has a system of holes. Holes are formed by stacking layers of unidirectional prepreg material on top of each other, having a variable orientation of fibers. Bundles are pushed apart and positioned so that to obtain holes in layered material.
EFFECT: invention provides for the production of perforated composite layered material for acoustic processing, having an adjustable system of holes, where formed holes can have different size, shape and layout.
9 cl, 25 dwg
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