Continuous fiber laminate cross ply structure joining process
By setting metal sandwich structures at the openings of laminates and using inclined overlapping metal sheet groups to form a continuous fiber laminate interlayer structure connection process, the problems of environmental impact and stress concentration in traditional composite material connections are solved, interlayer toughness and joint stability are improved, and the overall performance of lightweight composite materials is enhanced.
CN117962350BActive Publication Date: 2026-06-23DALIAN UNIV OF TECH +1
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- DALIAN UNIV OF TECH
- Filing Date
- 2024-03-13
- Publication Date
- 2026-06-23
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Figure CN117962350B_ABST
Abstract
The application provides a continuous fiber laminate cross-layer structure connecting process, and specifically comprises the following steps: S1, the continuous fiber laminate is composed of a plurality of layers of continuous fiber prepreg tapes with openings, a metal interlayer structure is arranged at the openings on the continuous fiber laminate, the metal interlayer structure comprises a plurality of sets of overlapped metal sheet groups, a set of the overlapped metal sheet groups is arranged between two adjacent continuous fiber prepreg tapes, in preparation, the first layer is the continuous fiber prepreg tape, then the overlapped metal sheet groups and the continuous fiber prepreg tapes are alternately laid layer by layer, and finally the continuous fiber laminate is obtained through hot pressing forming; S2, the openings of two continuous fiber laminates are aligned, and the two continuous fiber laminates are connected together by installing mechanical fasteners at the openings. The technical scheme of the application solves the technical problems of poor surface bearing of the laminate and interlayer delamination at the connection in the prior art.
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