METHOD FOR REPAIRING COMPOSITE MATERIAL

• Main Authors: HIRATA TAKEHIKO, TAKEUCHI YUKIO, SHIMONO KODAI, AKIYAMA KATSUNORI
• Format: Patent
• Language: English; Japanese
• Published: 26.07.2018
• 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

PROBLEM TO BE SOLVED: To provide a method for repairing a composite material properly repairing a part to be repaired.SOLUTION: A method for repairing a composite material 1, repairing a part to be repaired 5 of the composite material 1, is prepared with a semi-impregnated prepreg 10 being a prepreg containing an impregnated region with a fiber impregnated with resin and a not yet impregnated region with the fiber not yet impregnated with the resin, a resin sheet 11 formed into a sheet form, and a breathable covering sheet 12 being a member having breathability, includes: a resin sheet disposition step for disposing the resin sheet 11 in the part to be repaired 5 formed receding from the surface of the composite material 1; a prepreg disposition step for disposing the semi-impregnated prepreg 10 laminated over the resin sheet 11; and a breathable member disposition step S5 for disposing the breathable covering sheet 12 such as to communicate with the not yet impregnated region of the laminated semi-impregnated prepreg 10 and disposing the breathable covering sheet 12 in a position in contact with a vacuum sucking port 25.SELECTED DRAWING: Figure 3 【課題】被修理部を適切に修理することができる複合材の修理方法を提供する。【解決手段】複合材１の被修理部５を補修する複合材１の修理方法において、繊維に樹脂が含浸している含浸領域と繊維に樹脂が含浸していない未含浸領域とを含むプリプレグである半含浸プリプレグ１０と、シート状に形成された樹脂シート１１と、通気性を有する部材である通気被覆シート１２と、が用意されており、複合材１の表面から窪んで形成される被修理部５に、樹脂シート１１を配置する樹脂シート配置工程と、樹脂シート１１上に半含浸プリプレグ１０を積層して配置するプリプレグ配置工程と、積層した半含浸プリプレグ１０の未含浸領域と連通するように通気被覆シート１２を配置すると共に、通気被覆シート１２を、真空吸引ポート２５と接する位置に配置する通気部材配置工程Ｓ５と、を備える。【選択図】図３