FIBER PREFORM FOR RTM MOLDING, AND FIBER-REINFORCED COMPOSITE MATERIAL

PROBLEM TO BE SOLVED: To provide a fiber preform for RTM molding which easily reduces fluidization of a reinforcing fiber at an end part of the preform while suppressing increase of manufacturing cost and to provide a fiber-reinforced composite material.SOLUTION: The preform 10 is formed by connecti...

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Bibliographische Detailangaben
Hauptverfasser:	YASUE MASAHIKO, KAMIYA RYUTA
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING LOOMS METHODS OF WEAVING PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TEXTILES TRANSPORTING WEAVING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL WOVEN FABRICS
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Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a fiber preform for RTM molding which easily reduces fluidization of a reinforcing fiber at an end part of the preform while suppressing increase of manufacturing cost and to provide a fiber-reinforced composite material.SOLUTION: The preform 10 is formed by connecting woven fabrics 13a-13g laminated in a Z direction with a stich yarn 14 between layers. Holding parts 16 for covering end parts of the woven fabrics 13a-13f are formed at end parts of the woven fabric 13g which is a fiber fluidization-retaining layer of the preform 10.SELECTED DRAWING: Figure 2 【課題】製造コストの増大を抑えつつ容易にプリフォームの端部の強化繊維の流動を低減するＲＴＭ成形用繊維プリフォーム及び繊維強化複合材を提供すること。【解決手段】プリフォーム１０はＺ方向に積層された織物１３ａ〜１３ｇをステッチ糸１４により層間を結合して形成されている。プリフォーム１０の繊維流動保持層としての織物１３ｇの端部には、織物１３ａ〜１３ｆの端部を覆う保持部１６が形成されている。【選択図】図２