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本文采用电化学测氢法、离子探针及电镜金相分析法研究了混合轻稀土添加剂对铝及铝锌镁合金在峰时效状态下氢的扩散特性的影响,测定了氢的扩散系数和扩散激活能。同时对合金在各种时效状态下的扩散系数也作了测定。
In this paper, the influence of mixed light rare earth additives on hydrogen diffusion properties of aluminum and Al-Zn-Mg alloys under peak aging conditions was studied by electrochemical hydrogen detection, ion-probe and electron microscopy. The diffusion coefficient and diffusion of hydrogen Activate energy. At the same time, the diffusion coefficient of the alloy under various aging conditions was also measured.