Method for repairing large-area damage of honeycomb sandwich structural part

• Main Authors: WANG JUN, KONG FANLU, HAO GANGNING, ZHANG QIANG
• Format: Patent
• Language: Chinese; English
• Published: 04.05.2021
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES; 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

The invention provides a method for repairing large-area damage of a honeycomb sandwich structural part. The method comprises the steps of dividing a damage zone (9) into N parts according to the area of the damage zone (9); placing corresponding honeycombs at the N parts of the damage zone (9) in sequence, and curing the honeycombs according to a preset curing condition to form a spliced honeycomb; and sequentially placing a structural adhesive film (7) and a patch (8) on the upper surface of the spliced honeycomb from bottom to top, and curing the patch (8) according to a preset curing condition. 本申请提供一种蜂窝夹层结构件大面积损伤的修理方法，所述方法包括：根据损伤区(9)面积，将损伤区(9)划分为N个部分；依次在损伤区(9)的N个部分放置对应的蜂窝，并按预设固化条件固化蜂窝，形成拼接蜂窝；在拼接蜂窝上表面从下至上依次放置结构胶膜(7)和补片(8)，并按预设固化条件固化补片(8)。