To provide a vehicle body structure member using a fiber reinforced resin composite material, in which characteristics to absorb collision energy in the vehicle body structure member can be improved.SOLUTION: A vehicle body structure member formed from a fiber reinforced resin composite material comprises, on a load input surface in which input of collision load is assumed, a planned fracture part that divides the load input surface into a first region and a second region on both sides in a given first direction as a result of brittle fracture occurred at the time of inputting the collision load, and when the collision load is input, twisting is applied in the first and second regions on both sides of the planned fracture part.SELECTED DRAWING: Figure 6

    【課題】繊維強化樹脂製複合材を用いた車体構造部材における衝突エネルギを吸収する特性を向上可能な車体構造部材を提供する。【解決手段】繊維強化樹脂複合材からなる車体構造部材は、衝突荷重の入力が想定される荷重入力面に、衝突荷重の入力時に脆性破壊して荷重入力面を所定の第1方向の両側の第1領域及び第2領域に区分する破断予定部を備え、衝突荷重の入力時に破断予定部を挟んで両側の第1領域及び第2領域に捩じりを生じるようにした。【選択図】図6


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    Title :

    VEHICLE BODY STRUCTURE MEMBER AND VEHICLE BODY STRUCTURE


    Additional title:

    車体構造部材及び車体構造


    Contributors:

    Publication date :

    2023-09-05


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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