某压气机轮盘榫槽低循环疲劳模拟件设计与试验  

Design and experimentation of simulation specimen for aero-engine compressor disk slot used in low cycle fatigue test

作　　者：杨兴宇[1] 董立伟[1] 耿中行[1] 刘新灵[2] 赵福星[1] 

机构地区：[1]北京航空工程技术研究中心,北京100076 [2]北京航空材料研究院,北京100095

出　　处：《航空动力学报》2008年第10期1829-1834,共6页Journal of Aerospace Power

摘　　要：提出了一种模拟件技术并结合少数构件试验评价构件寿命可靠性的方法.以某型发动机一级压气机轮盘为对象,应用该方法进行了关键部位榫槽的模拟件设计和低循环疲劳寿命考核试验.模拟件低循环疲劳寿命可靠性试验技术的结果表明,该方法为航空发动机真实构件寿命可靠性评价提供了一种新的途径.The number of specimen in low cycle fatigue test of aero-engine component is small, making it difficult to confirm the reliable life. On the basis of before mentioned circs, the factors affecting the component low cycle fatigue life were investigated. A new type of method combining with simulated specimen and tests of a few components was researched to evaluate the real component life and reliability. With this method, simulated specimen of 1^st compressor disk slot of aero engine was designed and low cycle fatigue life was assessed. The resuh shows that, the experimental simulation technology of low cycle fatigue life and relia bility provides a new method for evaluation of life and reliability in real aero-engine component.

关 键 词：模拟件 设计方法 低循环疲劳寿命 

分 类 号：V231.95[航空宇航科学与技术—航空宇航推进理论与工程]