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采用铝合金材料制作车体是减轻车辆重量的有效途径之一.本文对高速列车用铝合金919焊缝及影响区的强度和硬度进行了分析讨论,对提高铝合金919焊缝的性能有一定的参考价值.
It is one of the effective ways to reduce the weight of the vehicle by using the aluminum alloy bodywork bodywork.This paper analyzes and discusses the strength and hardness of the weld and the affected area of the 919 aluminum alloy for high speed train, The reference value.