(1. 有研科技集团有限公司有色金属材料制备加工国家重点实验室，北京100088；
2. 有研工程技术研究院有限公司，北京101407；3. 北京有色金属研究总院，北京100088)
摘 要: 为获得理想性能，航空铝合金厚板在生产过程中需经历轧制、固溶淬火、预拉伸和时效强化等工艺过程。其中，厚板在进行固溶淬火处理时整体温度变化异常剧烈，内部产生较高残余应力。近年来，借助数值模拟的手段分析铝合金厚板内部固溶淬火残余应力分布状态并对其进行消减处理是研究关注的热点。介绍基于有限元方法的7xxx系航空铝合金厚板固溶淬火及预拉伸处理过程中板材内部残余应力演化规律研究现状，对固溶淬火和预拉伸仿真计算过程中所用方法及模型参数进行归纳，展望该领域未来的重点研究内容和发展方向。
关键字: 航空铝合金厚板；固溶淬火；预拉伸；残余应力；有限元模拟
（1. State Key Laboratory of Nonferrous Metals and Processes, GRINM Group Co., LTD., Beijing 100088, China;
2. GRIMAT Engineering Institute Co., Ltd., Beijing 101407, China;
3. General Research Institute for Nonferrous Metals, Beijing 100088, China）
Abstract:In order to obtain desired mechanical properties, rolling, solution, quenching, pre-stretching and age-hardening treatments were applied to produce aluminum alloy thick plates. Among the aforementioned processes, the temperature in the whole thick plate will be severely changed during the quenching process. Simultaneously, high residual stress also can be formed in the plate. In recent years, numerical simulation has been treated as an effectively method to study and predict the development, distribution and evolvement behavior of residual stress in the thick plate during quenching and pre-stretching processes. The research situation on the evolvement of residual stress in the thick aluminum plate during quenching and pre-stretching processes based on the FEM simulation method was reviewed. The usage of relative skills and parameters for the models were also concluded. Moreover, the key research content and develop orientations in this filed were prospected at the summary chapter of this article.
Key words: aviation aluminum alloy thick plate; solution and quenching; pre-stretching; residual stress; FEM
