Method for reinforcing openings of laminated composite material load-carrying structure
The invention relates to a method for reinforcing openings of a laminated composite material load-carrying structure, and aims to provide an opening reinforcement method which ensures easily controlled quality, is simple and is high in work efficiency. The method mainly comprises the following steps...
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| creator | TIE YING LI CHENG ZHAO HUADONG XU PING HUANG CONGKUI ZHENG YANPING |
| description | The invention relates to a method for reinforcing openings of a laminated composite material load-carrying structure, and aims to provide an opening reinforcement method which ensures easily controlled quality, is simple and is high in work efficiency. The method mainly comprises the following steps of: laying fiber prepreg on a mandrel to prepare a patch 1, continuously laying fiber prepreg on the patch 1 to prepare a composite material body, laying a patch 2, integrally sewing hole edges of the composite material body and the symmetrically laid patches, and integrally compacting and curing, wherein the patches are cone-shaped; a thickness variation transition area is formed at the boundary of a reinforcing area; double means of patch reinforcing and sewing reinforcing are adopted; and the reinforcing area and the composite material body can be integrally/independently formed. When reinforcement is implemented by the method, the manufacturing cost of a mold can be reduced, the patches and the composite mater |
| format | Patent |
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The method mainly comprises the following steps of: laying fiber prepreg on a mandrel to prepare a patch 1, continuously laying fiber prepreg on the patch 1 to prepare a composite material body, laying a patch 2, integrally sewing hole edges of the composite material body and the symmetrically laid patches, and integrally compacting and curing, wherein the patches are cone-shaped; a thickness variation transition area is formed at the boundary of a reinforcing area; double means of patch reinforcing and sewing reinforcing are adopted; and the reinforcing area and the composite material body can be integrally/independently formed. 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| subjects | AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL |
| title | Method for reinforcing openings of laminated composite material load-carrying structure |
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