Based on principle of measured stress by X-ray and Be mechanical properties, the effects of crystal orientation and stress gradient and the cover on measured stress value were studied.

• 根据X射线法测量应力原理,结合Be力学参数特点,分析了衍射晶面选择、应力梯度以及覆盖物等对应力测量结果的影响,同时还分析了铍材性能和处理工艺对应力的影响。