Al-Mg-Si合金的双级时效特性比Al-Zn-Mg合金更复杂,所以适用于Al-Zn-Mg合金的洛里默尔——尼科尔森(Lorimer-Nicholson)模型就不适用于Al-Mg-Si合金。然而,目前所提出的各种模型中帕斯利(Pashley)等人的模型经常被用来解释Al-Mg-Si合金的时效特性。尽管如此,最近还是出现了一些用P—模型无法解释的试验结果。因此,本文对Al-1.17％Mg_2Si合金的 The Lorimer-Nicholson model, which is suitable for Al-Zn-Mg alloys, is not suitable for Al-Mg-Si alloys because their two-stage aging characteristics are more complex than those of Al-Zn- In Al-Mg-Si alloy. However, the models of Pashley et al. In the various models currently proposed are often used to explain the aging characteristics of Al-Mg-Si alloys. In spite of this, there have been some recent experimental results that can not be explained by the P-model. Therefore, this article on the Al-1.17% Mg_2Si alloy