基于无线疲劳监测系统的铝合金材料疲劳损伤研究

摘要

Aluminum alloy is one of the fundamental materials for the development of national economy,its light and high-strength characteristics make it possess a crucial position in application such as aircraft design and fabrication,architectural ornament,and so on. However,due to its poor anti-fatigue performance,it may suffer from fatigue crack as well as fatigue damage under cyclic loadings. Thus,a method for study on fatigue damage of aluminum alloy material based on wireless fatigue monitoring system is proposed,the system real-time monitor on fatigue strain of aluminum alloy component,and real-time analyze fatigue damage situation of component,which provide referential method for research of fatigue property of aluminum alloy materials.%铝合金材料具有重量轻、强度高等特点，是国民经济发展的重要基础材料，在诸多领域（如飞行器设计与制造、建筑装饰等）中占有十分重要的地位。然而，其抗疲劳性能较差，在交变荷载作用下容易产生疲劳裂纹和发生疲劳破坏。提出了一种基于无线疲劳监测系统的铝合金材料疲劳损伤研究方法，实时监测了铝合金构件的疲劳应变，并实时分析了构件的疲劳损伤状况，为研究铝合金材料的疲劳性能提供了可借鉴性的方法。