Preparation and mechanical property of nanometer silicon carbide biological composites reinforced by 3D orthogonal carbon fibers;
三向正交碳纤维增强纳米碳化硅生物复合材料的制备和力学性能
In order to study the absorbing work of undercarriage under the impact load in the landing gear drop test,it is necessary to measure the dynamic values of three direction displacement of aircraft wheel in the twinkling of the aircraft landing.
为此 ,本文设计了四自由度空间定位装置 ,并使其与计算机连接 ,实现了落震试验过程中 ,起落架在高速冲击状态下机轮三向位移的有效测量与记