飞机腹鳍根部型材疲劳断裂强度分析  

Strength Analysis of Aircraft Ventral Fins Root Material in Fatigue Fracture

作　　者：李静[1] 张显余[1] 付长安[1] 葛子厚[1] 

机构地区：[1]空军航空大学,长春130022

出　　处：《兵器装备工程学报》2017年第1期142-145,共4页Journal of Ordnance Equipment Engineering

基　　金：吉林省自然科学基金资助项目(20130101059JC)

摘　　要：针对某型飞机腹鳍根部型材疲劳断裂问题,依据腹鳍的结构和工作特点,应用疲劳断裂理论进行定量分析,排除了因飞行中所受空气动力引起的静载和动载造成损伤的可能性,分析了其裂纹产生原因并提出使用维修建议。Aim at strength problem for ventral fins root material fatigue fracture on one type aircraft,based on the structure and working characteristics of the pelvic fins,quantitative analysis of ventral fins crack was proposed by using the theory of fatigue fracture. Ruled out possibility of damage that caused by the static load and dynamic load and the load was caused by aerodynamic in the flight,and the cause of aircraft ventral fins crack was analyzed and the maintenance suggestions were put forward.

关 键 词：飞机腹鳍 腹鳍型材 疲劳断裂 强度分析 

分 类 号：V229.6[航空宇航科学与技术—飞行器设计]