METAL SHEETS AND PLATES HAVING FRICTION-REDUCING TEXTURED SURFACES AND METHODS OF MANUFACTURING SAME

    公开(公告)号:CA2731833A1

    公开(公告)日:2010-02-11

    申请号:CA2731833

    申请日:2009-08-05

    Applicant: ALCOA INC

    Abstract: Metal sheets and plates having friction-reducing textured surfaces and methods of manufacturing these metal sheets and plates are disclosed herein. In an embodiment, there is provided a transportation vessel that includes at least one metal product having at least one surface that is substantially grooved, wherein the substantially grooved surface forms a riblet topography, the riblet topography including a multiplicity of adjacent permanently rolled longitudinal riblets running along at least a part of the surface, and wherein the riblet topography is coated with at least one coating sufficiently designed and applied to preserve the riblet topography. In an embodiment, the multiplicity of adjacent permanently rolled longitudinal riblets results in a friction-reducing textured surface. In an embodiment, metal product is used in fabricating at least a portion of an aircraft. In an embodiment, metal product is used in fabricating at least a portion of a rotor blade.

    REINFORCED HYBRID STRUCTURES AND METHODS THEREOF
    4.
    发明申请
    REINFORCED HYBRID STRUCTURES AND METHODS THEREOF 审中-公开
    加固混合结构及其方法

    公开(公告)号:WO2008054876A3

    公开(公告)日:2008-07-24

    申请号:PCT/US2007068986

    申请日:2007-05-15

    Abstract: The present invention discloses a method for producing a wing structure comprising producing a machined metallic bottom skin by pre- machinmg, preforming or combinations thereof, finishing the skin which serves as a mold, placing a plurality of straps on top of the skin, arranging a monolithic, fiber metal laminate, or non-reinforced metallic laminate skin on top of the plurality of straps to form a module, and curing the module, wherein the bottom skin is the load carrying element in the wing The present invention also discloses a method for producing a wing structure comprising providing a mold, placing a first monolithic, fiber metal laminate, or non-reinforced metallic laminate skin on a lay-up mold, placing a plurality of straps on top of the skin, arranging a second monolithic, fiber metal laminate, or non-reinforced metallic laminate skin on top of the plurality of straps to form a module, and curing the module.

    Abstract translation: 本发明公开了一种翼型结构的制造方法,其特征在于,包括通过预先加工,预成形或组合来制造加工后的金属底层皮肤,完成作为模具的皮肤,将多个皮带放置在皮肤的顶部, 单层,纤维金属层压板或非增强金属层压板表层,以形成模块,并固化模块,其中底层表层是机翼中的承载元件本发明还公开了一种用于 制造翼结构,包括提供模具,将第一整体式纤维金属层压板或非增强金属层压板表层放置在铺层模具上,将多个带放置在皮肤顶部上,将第二整体式纤维金属 层压体或非增强金属层压板表层,以形成模块,并固化模块。

Patent Agency Ranking