METHODS FOR COMBINING COMPONENTS OF VARYING STAGES OF CURE
    2.
    发明申请
    METHODS FOR COMBINING COMPONENTS OF VARYING STAGES OF CURE 审中-公开
    组合变化阶段成分的方法

    公开(公告)号:US20140166191A1

    公开(公告)日:2014-06-19

    申请号:US13715325

    申请日:2012-12-14

    Abstract: The present invention provides a method of fabricating a composite structure from components of varying stages of cure while reducing the steps associated with the fabrication process of infusing, curing, and bonding composite materials to form a hybrid unitized structure. The method provides a pre-cured stiffener and a pi-preform having a clevis and a base portion. The pre-cured stiffener may be inserted into the clevis of the pi-preform to form a composite structure assembly. The composite structure assembly may be infused with a resin system at the time of cure and bonded to a second composite structure to form a hybrid unitized structure.

    Abstract translation: 本发明提供了一种从不同固化阶段的组分制造复合结构的方法,同时减少了与复合材料的注入,固化和粘合的制造过程相关的步骤以形成混合组合结构。 该方法提供了预固化的加强件和具有U形夹和基部的pi预制件。 预固化的加强件可以插入到pi预成型件的U形夹中以形成复合结构组件。 复合结构组件可以在固化时用树脂体系注入,并结合到第二复合结构以形成混合组合结构。

    Methods for combining components of varying stages of cure

    公开(公告)号:US10807325B2

    公开(公告)日:2020-10-20

    申请号:US14677435

    申请日:2015-04-02

    Abstract: The present disclosure relates to a method of fabricating a composite structure using a pre-cured composite stiffener and a dry fabric component. In one example, the method includes the steps of: wrapping an adhesive film and a resin film around an edge of said pre-cured composite stiffener; inserting the edge of said pre-cured composite stiffener into a clevis of a dry fabric component to form a composite structure assembly; securing the pre-cured composite stiffener substantially perpendicularly to the base portion of the dry fabric component; and starting a consolidated infusion and cure process. The consolidated infusion and cure process applies a first temperature to the composite structure assembly for a first predetermined period of time to infuse the dry fabric component, and the increases the first temperature to a second temperature for a second predetermined period of time to cure the composite structure assembly.

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