Some methods were used to study the fatigue damage development and static failure after fatigue: X ray, deply, and visual inspection. The influences of fatigue damage on the properties of Nomex honeycomb core sandwich panels were analyzed.

• 用X光技术、热揭层技术和外观检测等对疲劳损伤的扩展和疲劳后静载的破坏进行了研究，分析了疲劳损伤对蜂窝夹芯板性能的影响。