627 検力ブロック法による動的荷重 FEM を用いた突起部形状に関する検討

概要

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In the industrial field, it is desired easily to obtain the mechanical property of the material at a high deformation speed for the sake of the safety-design, emulation of material strengh at high strain rates, and so on. One of the most commonly used experimental techniques to measure the dynamic load is the Hopkinson bar method, however, it has some problems such as a big structure, a difficulty in dealing with the device. On the other hand, the sensing block method where the small sensing block projection act a load cell may overcome the problems. In the present research, various shapes and dimensions of sensing projection to achive the precise measurement of the dynamic load were experimentally examined and the most suitable shape and size were determined.
一般社団法人日本機械学会の論文