一种海洋气候环境-扭转疲劳试验设备的研制

Development of a Kind of Torsion Fatigue Test Equipment for Marine Climatic Environment

目的研制一种海洋气候环境-扭转疲劳试验设备。方法针对海洋环境下服役的装备材料及结构承受环境腐蚀-扭转载荷耦合作用的特点,采用液压伺服闭环控制原理,通过特定结构布置、液压动力系统和伺服扭转疲劳系统的合理设计,研制一种海洋气候环境-扭转疲劳试验设备。结果该设备可实现扭转角度、扭矩、频率等试验参数的精确控制,准确表征工作在海洋大气环境中的材料及结构扭转性能。结论新研制的设备适用于海洋大气环境下服役的材料及构件扭转性能试验验证与评估。

Objective To develop a kind of torsion fatigue test equipment for marine climatic environment. Methods According to characteristics of the coupling effect of environmental corrosion and torsion load of equipment materials and structures serving in the marine environment, the hydraulic servo closed-loop control principle was used and specific configuration, hydraulic power system and servo torsion fatigue system were designed to develop a kind of torsion fatigue test equipment for marine climatic environment. Results Test parameters of torsion angle, torque and frequency of the equipment can be controlled accurately. And the torsion properties of materials and structures in the marine atmosphere accurate were characterized accurately. Conclusion The newly developed equipment is suitable for testing and evaluating torsion properties of materials and structures in the marine atmosphere.