| Summary: | 碩士 === 大葉大學 === 工業工程與管理學系 === 107 === The purpose of this study is to investigate the effect of lamination angle on the impact strength of composite sheets, to establish the application of composite materials to impact, and to find the optimal lamination of different lamination angles.
The development of materials used by humans has evolved from steel used in the industrial age to light-weight aluminum alloys. In recent years, composite materials have begun to replace metal materials in the market, and more and more composite materials are used in life. Compared with composite materials, composite materials Metal materials have many advantages, but composite materials have a far cry from the material properties of metals, and composite materials are more complex than metal product design methods.
This paper mainly uses the finite element method commercial software software ANSYS/LS-DYNA for dynamic simulation, and performs the drop hammer impact simulation according to the ASTM D7136 specification. The experimental part uses the dynamic photography of the high-speed camera to perform the drop test and compare it with the simulation. Verification to verify the feasibility of the simulation and experiment. Discuss the influence of plate impact thickness and composite lamination angle on impact energy absorption and damage.
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