FIELD: process engineering.
SUBSTANCE: invention relates to production of connected body, to connected body, to device and process of connection of multiple composite materials. Production of connected body comprises the steps that follow. (i) Preparation of multiple composites including thermoplastic polymer and discrete carbon fibres oriented in random manner. (ii) Composite materials are overlapped. (iii) At least a portion of overlapped portion is placed between two electrodes. (iv) Electricity is fed to electrodes to solder thermoplastic polymers together by Joule heat.
EFFECT: connection is effected for a short time by weak current, process being used for complex spatial shape work pieces, higher strength.
18 cl, 1 tbl, 6 dwg, 12 ex
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