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    • 3. 发明公开
    • 이종소재의 마찰교반 스폿용접방법
    • 非线性材料的摩擦焊点焊接方法
    • KR1020140099979A
    • 2014-08-14
    • KR1020130012379
    • 2013-02-04
    • 울산대학교 산학협력단주식회사 엠에스 오토텍세종공업 주식회사
    • 홍성태이철호이태규정용하김민성이현우
    • B23K28/02B23K11/11B23K20/12
    • The present invention relates to a friction stir spot welding method of different materials capable of stacking different materials, applying electric pulse to a junction point of a material, whose melting point is relatively lower among different materials, to be spot welded; and friction stir spot welding after flow stress (flow distortion power) is lowered. According to the present invention, the friction stir spot welding method of different materials comprises: a step for stacking a second plate consisting of a material different from a first plate in the upper side of a first plate; a step for marking a junction point in a corresponding position to be spot-welded in the surface of the second plate; a step for applying electric pulse to the first plate to lower flow stress (flow distortion power) of the first plate; and a step for welding by friction stirring the first plate and the second plate by pressurizing the junction point while a friction stir welding frame of a welding apparatus rotates in one direction in a junction point formed in the surface of the second plate. The friction stir spot welding method of different materials is capable of stacking a different kind of two materials, applying the electric pulse in a junction position to be spot welded of a material whose melting point is relatively lower between two materials, and performing friction stir spot-welding after lowering flow stress (flow distortion power). Therefore, the friction stir spot welding method of different materials has the advantage of reducing a welding defect; reducing energy and production costs; increasing material properties such as moldability, fatigue strength, etc. of a metal material by using improvement effect of a microstructure of a material; and improving the productivity and the friction stir welding speed by welding in a relatively low temperature by lowering flow stress of a material.
    • 本发明涉及一种能够堆叠不同材料的不同材料的摩擦搅拌点焊接方法,对不同材料的熔点相对较低的材料的接合点施加电脉冲进行点焊; 并且在流动应力(流动变形功率)之后的摩擦搅拌点焊被降低。 根据本发明,不同材料的摩擦搅拌点焊方法包括:在第一板的上侧堆叠由不同于第一板的材料构成的第二板的步骤; 在第二板的表面中标记要点焊的对应位置处的接合点的步骤; 向第一板施加电脉冲以降低第一板的流动应力(流动变形能力)的步骤; 以及通过在焊接装置的摩擦搅拌焊接框架在形成于第二板的表面中的接合点沿一个方向旋转的同时对连接点进行加压来摩擦搅拌第一板和第二板来进行焊接的步骤。 不同材料的摩擦搅拌点焊方法能够堆叠不同种类的两种材料,将电脉冲施加在两个材料之间熔点相对较低的材料点焊的接合位置,并进行摩擦搅拌点 - 降低流量应力(流量失真功率)后进行焊接。 因此,不同材料的摩擦搅拌点焊方法具有减少焊接缺陷的优点; 降低能源和生产成本; 通过使用材料的显微组织的改善效果来增加金属材料的成型性,疲劳强度等的材料性能; 并且通过降低材料的流动应力,通过在相对低的温度下进行焊接来提高生产率和摩擦搅拌焊接速度。
    • 4. 发明公开
    • 차량의 충돌 안전 장치 및 그 제어방법
    • 车辆的碰撞安全装置及其控制方法
    • KR1020130110352A
    • 2013-10-10
    • KR1020120032234
    • 2012-03-29
    • 주식회사 엠에스 오토텍울산대학교 산학협력단
    • 김선웅이현우홍성태
    • B60R21/017B60R21/01
    • PURPOSE: A collision safety device and a control method for the same are provided to improve the safety performance of a vehicle by effectively absorbing collision energy through the appropriate deformation of superstrength vehicle components. CONSTITUTION: A collision safety device comprises a deformation component (3), a collision detection unit (5), an electric current supply unit (7), and a controller (9). The deformation component makes up a part of a vehicle. The deformation component includes a deformation requiring part which requires absorbing collision energy by being deformed upon a collision. The collision detection unit detects the collision of the vehicle. The electric current supply unit electrifies the deformation part. The controller controls the electric current supply unit according to the signal of the collision detection unit and electrifies the deformation requiring part.
    • 目的:提供一种碰撞安全装置及其控制方法,以通过超强度车辆部件的适当变形有效地吸收碰撞能量来提高车辆的安全性能。 构成:碰撞安全装置包括变形部件(3),碰撞检测单元(5),电流供应单元(7)和控制器(9)。 变形部件构成车辆的一部分。 变形部件包括变形要求部件,其需要通过在碰撞时变形而吸收碰撞能量。 碰撞检测单元检测车辆的碰撞。 电流供给单元使变形部通电。 控制器根据碰撞检测单元的信号控制电流供应单元,并使变形需求部分通电。
    • 6. 发明授权
    • 이종소재의 마찰교반 스폿용접방법
    • 不同材料摩擦搅拌点焊方法
    • KR101593405B1
    • 2016-02-12
    • KR1020130012379
    • 2013-02-04
    • 울산대학교 산학협력단주식회사 엠에스 오토텍세종공업 주식회사
    • 홍성태이철호이태규정용하김민성이현우
    • B23K28/02B23K11/11B23K20/12
    • 본발명은이종의소재둘을서로적층하고, 둘의소재중 비교적용융점이놓은소재의스폿용접할접합점위치에전기펄스를주지적으로인가하여, 유동응력(유동변형력)을낮춘후 마찰교반스폿용접하는이종소재의마찰교반스폿용접방법에관한것으로, 제1판재의상면에상기제1판재의재질과다른재질로이루어진제2판재를적층하는단계와, 상기제2판재의표면에스폿용접할해당위치에접합점을마킹하는단계와, 상기제1판재의유동응력(유동변형력)을낮추기위해상기제1판재에전기펄스를인가하는단계와, 상기제2판재의표면에형성된접합점에용접장치의마찰교반용접툴을어느한 방향으로회전시키면서상기접합점을가압하여, 상기제2판재와제1판재를마찰교반하여용접하는단계를포함해이종의소재둘을서로적층하고, 둘의소재중 비교적용융점이놓은소재의스폿용접할접합점위치에전기펄스를주지적으로인가하여, 유동응력(유동변형력)을낮춘후 마찰교반스폿용접을이행함으로써, 용접결함이적고, 에너지와생산비용이절감되며, 소재의미세구조개질효과를이용하여금속재료의성형성, 피로강도등 물성치를향상되고, 소재의유동응력이낮아져비교적낮은온도에서용접이가능해마찰교반용접속도를향상됨은물론, 생산성의향상되는이종소재의마찰교반스폿용접방법을제공한다.
    • 9. 发明公开
    • 고강도 부품의 접합 장치 및 그 접합 방법
    • 高强度零件接合装置及其加工方法
    • KR1020130110351A
    • 2013-10-10
    • KR1020120032233
    • 2012-03-29
    • 주식회사 엠에스 오토텍울산대학교 산학협력단
    • 김선웅이현우홍성태
    • B23K11/00B23K11/11
    • PURPOSE: A device for joining high-strength components and a joining method thereof are provided to remarkably improve productivity by smoothly joining the components even though a high-strength material is included in the components. CONSTITUTION: A device for joining high-strength components includes a contact component (1), electrodes, a power source (5), and a controller (7). The contact component is a component for a welding device and touches a welded portion of a workpiece. The electrodes are included in the contact component for supplying a current to the workpiece. The power source supplies a current for the workpiece via the electrodes. The controller controls a power supply to the electrodes from the power source. The contact component is composed of a head piece (9). The electrodes are electrically isolated and exposed.
    • 目的:提供一种用于接合高强度部件的装置及其接合方法,即使在组件中包括高强度材料,也可以通过平滑地连接部件来显着提高生产率。 构成:用于连接高强度部件的装置包括接触部件(1),电极,电源(5)和控制器(7)。 接触部件是用于焊接装置的部件并且接触工件的焊接部分。 电极被包括在用于向工件提供电流的接触部件中。 电源通过电极为工件提供电流。 控制器控制从电源到电极的电源。 接触部件由头部件(9)组成。 电极被电隔离并暴露。