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    • 1. 发明公开
    • METHOD FOR PRODUCING STRUCTURAL MATERIAL, AND STRUCTURAL MATERIAL
    • VERFAHREN ZUR HERSTELLUNG EINES STRUKTURMATERIALS UND STRUKTURMATERIAL
    • EP2535169A4
    • 2017-10-04
    • EP11742021
    • 2011-02-09
    • MITSUBISHI AIRCRAFT CORP
    • MOTOHASHI HIDETOHOSOKAWA YOSHIFUMI
    • B29C70/06B29C43/10B29K105/08B64C3/18
    • B29D99/0003B64C3/185Y02T50/43Y02T50/433Y10T156/10Y10T428/187Y10T428/192Y10T428/197Y10T428/24174Y10T428/24198Y10T428/24628
    • An object of the invention is to provide a method for producing a structural member and the structural member, in which the structural member including a composite material can efficiently be produced such that strength of the structural member is sufficiently ensured while generation of a wrinkle in a composite material sheet is prevented even in a three-dimensionally curved portion of the structural member. A narrow prepreg sheet 20N is bonded along a ridge C, and wide prepreg sheet 20W is bonded to other portions, whereby the wide prepreg sheet 20W having no cut line is bonded to both side portions of the ridge C. In a portion in which a spar 10 is curved, the narrow prepreg sheet 20N is bonded in an axial direction of the spar 10 while divided into plural pieces, and a length of the narrow prepreg sheet 20N is adjusted according to a radius of curvature of the curved portion in the axial direction of the spar 10, whereby various radii of curvature are easily dealt with.
    • 本发明的目的在于提供一种能够有效地制造包含复合材料的结构部件的结构部件及结构部件的制造方法,以使结构部件的强度得到充分确保,同时产生褶皱 即使在结构构件的三维弯曲部分中也防止复合材料片。 窄的半固化片20N沿着脊C粘合,并且将宽的半固化片20W粘合到其他部分,由此在脊C的两侧部分粘合没有切割线的宽的半固化片20W。 翼梁10是弯曲的,狭窄的预浸材料片20N在翼梁10的轴向方向上被结合,同时被分成多个部分,并且窄的预浸材料片20N的长度根据弯曲部分在轴向上的曲率半径 从而容易处理各种曲率半径。