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    Composite material part having thermal protection based on resin, and its method of fabrication
    1.
    发明授权
    Composite material part having thermal protection based on resin, and its method of fabrication 有权
    具有基于树脂的热保护的复合材料部件及其制造方法

    公开(公告)号：US09555566B2

    公开(公告)日：2017-01-31

    申请号：US13936691

    申请日：2013-07-08

    Applicant: SNECMA

    Inventor： Lea Gani ,  Benedicte Marie Le Borgne ,  Gilbert Michel Marin Leconte

    IPC: B29C45/00 ,  B29C70/46 ,  B29C70/48 ,  B29C45/16 ,  B29C70/08 ,  B29C70/70 ,  B29C70/68 ,  B29L23/00 ,  B29L31/30 ,  B29K105/12

    CPC classification number: B29C45/0003 ,  B29C45/1639 ,  B29C45/1671 ,  B29C70/086 ,  B29C70/462 ,  B29C70/48 ,  B29C70/68 ,  B29C70/70 ,  B29K2105/12 ,  B29K2995/0015 ,  B29L2023/00 ,  B29L2031/3082

    Abstract: A method of making a structural part having a thermal protection barrier is provided. The method includes: making a fiber structure; introducing the fiber structure into an injection mold having first and second chambers, the fiber structure being placed in the second chamber; placing a movable separator partition between the first and second chambers; injecting a first resin into the first chamber; solidifying the resin injected into the first chamber; withdrawing the movable separator partition; injecting a second resin into the second chamber containing the fiber texture; and hardening the resins present in the first and second chambers of the injection mold in such a manner as to obtain a part having a structural core made of composite material constituted by fiber reinforcement densified by an organic matrix, and a thermal barrier constituted by a layer of hardened resin.

    Abstract translation: 提供了制造具有热保护屏障的结构部件的方法。 该方法包括：制作纤维结构; 将纤维结构引入具有第一和第二室的注射模具中，将纤维结构放置在第二室中; 在第一和第二室之间放置可移动隔离物隔板; 将第一树脂注入第一室; 使注入第一室的树脂固化; 取出可动隔板隔板; 将第二树脂注入到含有纤维织构的第二室中; 并且以这样的方式使存在于注射模具的第一和第二腔室中的树脂硬化，以获得具有由由有机基体致密化的纤维增强材料构成的复合材料制成的结构芯的部分，以及由层 的硬化树脂。

    COMPOSITE MATERIAL PART HAVING THERMAL PROTECTION BASED ON RESIN, AND ITS METHOD OF FABRICATION
    2.
    发明申请
    COMPOSITE MATERIAL PART HAVING THERMAL PROTECTION BASED ON RESIN, AND ITS METHOD OF FABRICATION 有权
    具有基于树脂的热保护的复合材料部件及其制造方法

    公开(公告)号：US20140008838A1

    公开(公告)日：2014-01-09

    申请号：US13936691

    申请日：2013-07-08

    Applicant: SNECMA

    Inventor： Lea GANI ,  Benedicte Marie Le Borgne ,  Gilbert Michel Marin Leconte

    IPC: B29C45/00

    CPC classification number: B29C45/0003 ,  B29C45/1639 ,  B29C45/1671 ,  B29C70/086 ,  B29C70/462 ,  B29C70/48 ,  B29C70/68 ,  B29C70/70 ,  B29K2105/12 ,  B29K2995/0015 ,  B29L2023/00 ,  B29L2031/3082

    Abstract: A method of making a structural part having a thermal protection barrier, the method comprising at least the following steps: making a fiber structure; introducing the fiber structure into an injection mold having first and second chambers, the fiber structure being placed in the second chamber; placing a movable separator partition between the first and second chambers; injecting a first resin into the first chamber; solidifying the resin injected into the first chamber; withdrawing the movable separator partition; injecting a second resin into the second chamber containing the fiber texture; and hardening the resins present in the first and second chambers of the injection mold in such a manner as to obtain a part having a structural core made of composite material constituted by fiber reinforcement densified by an organic matrix, and a thermal barrier constituted by a layer of hardened resin.

    Abstract translation: 一种制造具有热保护屏障的结构部件的方法，所述方法至少包括以下步骤：制造纤维结构; 将纤维结构引入具有第一和第二室的注射模具中，将纤维结构放置在第二室中; 在第一和第二室之间放置可移动隔离物隔板; 将第一树脂注入第一室; 使注入第一室的树脂固化; 取出可动隔板隔板; 将第二树脂注入到含有纤维织构的第二室中; 并且以这样的方式使存在于注射模具的第一和第二腔室中的树脂硬化，以获得具有由由有机基体致密化的纤维增强材料构成的复合材料制成的结构芯的部分，以及由层 的硬化树脂。

    METHOD FOR CREATING A METAL REINFORCEMENT WITH INSERT FOR PROTECTING A LEADING EDGE MADE OF COMPOSITE
    5.
    发明申请
    METHOD FOR CREATING A METAL REINFORCEMENT WITH INSERT FOR PROTECTING A LEADING EDGE MADE OF COMPOSITE 有权
    用于保护金属加固件的方法，用于保护复合材料的前沿边缘

    公开(公告)号：US20150104323A1

    公开(公告)日：2015-04-16

    申请号：US14394366

    申请日：2013-04-11

    Applicant: SNECMA

    Inventor： Jean-Michel Patrick Maurice Franchet ,  Gilles Charles Casimir Klein ,  Gilbert Michel Marin Leconte ,  Dominique Magnaudeix

    IPC: F01D5/00 ,  F01D5/14

    CPC classification number: F01D5/005 ,  B21D53/78 ,  B23K20/021 ,  B23K2101/001 ,  B23P15/04 ,  F01D5/147 ,  F01D5/282 ,  F04D29/023 ,  F04D29/324 ,  F05D2230/20 ,  F05D2240/303 ,  F05D2300/174 ,  F05D2300/506 ,  Y02T50/673 ,  Y10T29/49234

    Abstract: A method for producing a metal reinforcement for protecting a leading edge of a compressor blade of composite, including: creating a core that has a shape of an internal cavity of the reinforcement; creating an insert made of an alloy of a hardness greater than that of the reinforcement; shaping sheet metal by stamping with the creation, upstream of the core, a cavity between the metal sheets, which cavity is configured to accept the insert, positioning the sheets around the core with the insert placed in the cavity and securing the assembly together; creating a vacuum and closing the assembly by welding; consolidation by hot isostatic pressing; cutting the assembly to extract the core and separate the reinforcement; creating an external profile of the reinforcement by a final machining operation that reveals a material of the insert.

    Abstract translation: 一种用于制造用于保护复合材料的压缩机叶片的前缘的金属加强件的方法，包括：形成具有所述加强件的内腔形状的芯; 产生由硬度大于加强件的硬度的合金制成的插入件; 通过冲压成形金属板，在芯的上游形成金属片之间的空腔，该空腔被配置为接受插入件，将片材放置在芯体周围，并将组件固定在一起; 通过焊接创建真空并关闭组件; 通过热等静压固结; 切割组件以提取芯部并分离加强件; 通过显示插入物的材料的最终加工操作创建钢筋的外部轮廓。

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