LAYER HYBRID COMPOSITE MATERIAL AND THE PRODUCT MADE OF IT Russian patent published in 2018 - IPC B32B15/08 B32B15/20 

FIELD: construction.

SUBSTANCE: composite material contains external and internal layers of Al-Li alloys and layers of fiberglass based on adhesive prepregs with reinforcing filler. As outer layers, Al-Li sheets of 1-2 mm. As internal layers, Al-Li sheets with a thickness of 0.3-0.5 mm in an amount not less than three. Layers of fiberglass, located under external Al-Li layers are made on the basis of glutinous prepreg on satin weave fiberglass reinforcing fillers content not more than 40 per cent of the bulk.

EFFECT: increasing the resource, the bearing capacity for compression and the weight efficiency of products.

7 cl, 1 dwg, 3 tbl, 1 ex