The testing technology of dynamic fracture toughness using a Hopkinson bar has been studied, the main contents of research as follows:The end of loading bar in the Hopkinson bar apparatus for dynamic fracture test is a wedge which is geometrically similar to the nose of the hammer of the impact pendulum.
本文对Hopkinson杆动态断裂韧度测试技术进行了研究,以下是主要研究内容: 在Hopkinson杆动态断裂试验装置中,加载杆的加载端通常加工成与冲击摆锤相似的楔形头状。
Camber calculating model and simulation of wedge strip in rolling;
楔形板带轧制过程跑偏计算模型及其仿真
Excessive convexity,severe wedge,dissymmetric convexity and partial protrusion will result in sticking of sheets during annealing in the bell-type furnace.
热轧板凸度过大,楔形严重,凸度不对称和有局部高点,均可造成罩式炉退火时产生粘结。
Designed one kind of two stage wedge-type polarization independent optical isolator is designed.
设计出一种偏振无关的两极楔形光隔离器。
The Simple Method to Deterine the Configuration of Chiral Molecule Showed by Cuneiform;
确定楔形式手性分子构型的简易方法
It is very difficult to distinguish the chiral carbon quickly and accurately on a cuneiform or cycle structure of an organic compound.
针对有机化合物分子楔形式及环状结构式中手性碳原子构型难以快速、准确判断的问题,介绍一种根据最低次序基团所处楔形式中位置的不同,通过在纸平面上直接操作的方法,方便快捷地确定出手性碳原子的构型。
Thus,one wedge ring was designed to be as the integrity compensation ring,which had good effect in eliminating the leakage.
本次改造新设计了楔形环作为辅助密封圈的整体式补偿环,取得了良好的效果。