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    • 8. 发明申请
    • ENERGY ABSORPTION ASSEMBLY
    • 能量吸收组件
    • WO2017144275A1
    • 2017-08-31
    • PCT/EP2017/052729
    • 2017-02-08
    • NV BEKAERT SA
    • CORNELUS, HenkDERYCKE, StevenMESPLONT, ChristopheDE CONINCK, FilipMAIHEU, Björn
    • E01F15/04D07B1/06
    • E01F15/0423D07B1/0673D07B2201/1004D07B2201/2059D07B2201/2068D07B2401/2005D07B2401/205D07B2801/24
    • Assembly for energy absorption, comprising m number of substantially straight steel wires and n number of curved steel cords, at least one of the m number of substantially straight steel wires having a tensile strength of at least 1000 MPa and an elongation at fracture of at least 5 %, at least one of the n number of curved steel cords having a tensile strength of at least 2000 MPa and an elongation at fracture of at least 2 %, wherein m and n are integers m>l, n>l, and at least one of the m number of substantially straight steel wires and at least one of the n number of curved steel cords are fixed together along their longitudinal direction, and the elongation at fracture of at least one of the m number of substantially straight steel wires is at least 2 % larger than the elongation at fracture of at least one of the n number of curved steel cords such that the elongation curve of the assembly comprises three zones (11, 11', 12, 12', 13, 13'), wherein a first zone (11,11') is characterized by an elastic deformation of the substantially straight steel wires, a second zone (12,12') is characterized by the plastic deformation of the substantially straight steel wires and a third zone (13,13') is composed of the continued plastic deformation of the substantially straight steel wires and the elastic deformation of the curved steel cords.
    • 用于能量吸收的组件包括m根大致直的钢丝和n根弯曲的钢丝帘线,所述m根大致直的钢丝中的至少一根具有至少1000MPa的拉伸强度 并且断裂伸长率为至少5%,所述n根弯曲钢丝帘线中的至少一个具有至少2000MPa的拉伸强度和至少2%的断裂伸长率,其中m和n是整数,m> l,n> 1,并且所述m根大致直线钢丝中的至少一根钢丝与所述n根所述弯曲钢丝帘线中的至少一根沿着它们的长度方向固定在一起,并且所述n个钢丝绳中的至少一个 基本上直的钢丝的数量比所述n个弯曲钢丝绳中的至少一个的断裂伸长率大至少2%,使得所述组件的伸长曲线包括三个区域(11,11',12,12 ',13,13'),其中第一区域 (11,11')的特征在于基本上直的钢丝的弹性变形,第二区域(12,12')的特征在于基本上直的钢丝的塑性变形和第三区域(13,13'), 由基本上直的钢丝的持续塑性变形和弯曲的钢丝绳的弹性变形组成。