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    • 49. 发明申请
    • METAL SHEET-FIBER REINFORCED COMPOSITE LAMINATE
    • 金属板纤维增强复合层压板
    • WO2012074394A1
    • 2012-06-07
    • PCT/NL2011/050817
    • 2011-11-29
    • GTM-ADVANCED PRODUCTS B.V.GUNNINK, Jan Willem
    • GUNNINK, Jan Willem
    • B32B15/14
    • B64C1/06B29C64/00B32B3/263B32B5/02B32B15/08B32B15/14B32B27/18Y10T428/24612Y10T428/249946Y10T428/249951Y10T428/31678
    • The invention relates to a fiber-metal laminate comprising mutually bonded fiber-reinforced composite layers and metal sheets, wherein the fiber and metal properti es satisfy the following relationships simultaneously: (1) ε fibre tension > K sf * σ tu / (1.5 * E t metal ), (2) E fibre tension > K stiff * E t metal , (3) ε fibre compression > K sf *σ tu / (1.5 * K lf * E t metal ) wherein the strain concentration factor K sf , stiffness factor K stiff and the load factor K lf satisfy (4) 2.75 ≤ K sf stiff ≥ 1.28, (6) 1,5 ≤ K lf ≤3.5 and σ tu = ultimate tensile strength of the metal, E t metal = tensile Young's modulus of the metal, ε fibre tension = elastic tensile strain of the fiber, E fibre tension = tensile elastic modulus of the fibre, ε fibre compression = elastic compression strain of the fiber. The fiber-metal laminate according to the invention shows an unprecedented combination of toughness and tensile strength. The invention further relates to an assembly of the fiber-metal laminate and a further element, bonded to the fiber-metal laminate by a bonding layer, comprising an adhesive and/or a fiber-reinforced composite.
    • 本发明涉及一种包含相互粘合的纤维增强复合层和金属片的纤维 - 金属层压材料,其中纤维和金属属性同时满足以下关系:(1)有效张力> Ksf * stu /(1.5 * Et金属) (2)Efibre张力> Kstiff * Et金属,(3)efibre压缩> Ksf * stu /(1.5 * Klf * Et金属)其中应变集中因子Ksf,刚度系数Kstiff和负载系数Klf满足(4)2.75 = Ksf刚度= 1.28,(6)1,5 = Klf = 3.5,stu =金属的极限拉伸强度,Et金属=拉伸杨氏模量,有效张力=纤维的弹性拉伸应变,Efibre拉力=拉伸 纤维的弹性模量,纤维压缩=纤维的弹性压缩应变。 根据本发明的纤维 - 金属层压体显示出前所未有的韧性和拉伸强度的组合。 本发明还涉及一种纤维 - 金属层压材料的组件,以及通过粘合层粘合到纤维 - 金属层压材料上的另一个元件,其包括粘合剂和/或纤维增强复合材料。